Khaitan Steel Forgings
Khaitan Steel Forgings
Amraiwadi, Ahmedabad, Gujarat
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Forging Steel Bars

Pioneers in the industry, we offer c35 forging steel round bar, c40 forging steel round bar, c45 forging steel bar, c50 forging steel square bar, c55 forging steel round bar and c60 forging steel round bar from India.

C35 Forging Steel Round Bar

C35 Forging Steel Round Bar
  • C35 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeC35
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

Chemical composition:

ElementMinMax
Carbon, C0.350.40
Manganese, Mn0.500.90
Silicon, Si0.050.35
Sulfur, S-.--0.06
Phosphorous, P-.--0.06

Physical Properties(avarage values) at ambient temperature:
PropertiesMetric
Modulus of elasticity [10^3x N/mm2]200
Density [g/cm3]:7.87
Thermal conductivity [W/m.11]43.6

Coefficient of Linear Thermal Expansion 10^-6 °C^-1:
20-100°C20-200°C20-300°C20-400°C20-500°C20-600°C20-700°C
11.111.912.713.41414.414.8

 

Equivalent grades of grade C30 (warning only for reference):

USAGermanyRussiaJapanFranceEnglandItalyChinaCzechia
1035 Gr.10351.0501 C3535S35CAF55C35C35070M36 40HS1C35 C35 C35C3512

 

 

 

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C40 Forging Steel Round Bar

C40 Forging Steel Round Bar
  • C40 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeC40
Usage/ApplicationIndustrial
Single Piece Length3-6 meter
Thickness/Diameter1-3 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

C40 steel plate is one mainly of high carbon steel, EN 10083 C40 steel plate is meduim Carbon Steels are similar to low carbon steel except that the carbon ranges from 0.30 to 0.60% & the manganese from 0.50 to 1.65%. Increasing the carbon content is approximately 0.5%.

Hardenability:
  • Low hardenability; it shows intermediate features between those of steels with medium and those of steels with high carbon content
  • Therefore it is not easy to obtain the required features by quenching in oil and the quenching in water can result in cracking.


Chemical composition:

ElementMinMax
Carbon, C 0.35 0.45
Manganese, Mn 0.60 01.00
Silicon, Si 0.5 0.35
Sulfur, S -.-- 0.06
Phosphorous, P -.-- 0.06

Coefficient of Linear Thermal Expansion 10^-6 °C^-1:
20-100°C20-200°C20-300°C20-400°C20-500°C20-600°C20-700°C
11.1 11.9 12.7 13.4 14 14.4 14.8

 

Mechanical Properties:

Nominal thickness (mm):to 1616 - 100100 - 250
A  - Min. elongation Lo = 5,65 √ So (%) (+N) 16 17 17
Brinell hardness   (HBW):   (+SH) 163 - 211

Equivalent grades of grade C40 (warning only for reference) Show 102550100 entries Search: 
USAGermany
DIN,WNr
Russia
GOST
Japan
JIS
France
AFNOR
England
BS
Italy
UNI
China
GB
Czechia
CSN
1038 1040 1.0511 C40 Ck40 40 S40C AF60C40 
AF60C45 
XC42HI
070M40
080M40
En8
C40 40 12041


Mechanical properties:

R eHMinimum yield strength / Mindestwert der oberen Streckgrenze 
R m Tensile strength / Zugfestigkeit / Resistance a la traction
A Minimum elongation / Mindestwert der Bruchdehnung / Allongement minimal
J Notch impact test / Kerbschlagbiegeversuch / Essai de flexion par choc

 

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C45 Forging Steel Bar

C45  Forging Steel Bar
  • C45  Forging Steel Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeC45
Single Piece Length3-6 meter
ShapeSquare, Rectangular
Size2x2 inch, 2x3 inch, etc
Surface FinishGalvanized
Usage/ApplicationIndustrial
MaterialSteel
TechniqueHot Rolled

C45 is a medium carbon steel is used when greater strength and hardness is desired than Si the as rolled’ condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed appications.

 

Turned, ground and polished:

  • Designation by StandardsBrand Name: C45
  • Mat No: 1.0503
  • DIN : C45
  • EN
  • AISI: 1045


Soft Annealing:

  • Heat to 680-710°C, cool slowly.
  • This will produce a maximum Brinell hardness of 207.

Normalizing:
  • Normalizing temperature (°C): 840-880°C.

Hardening:
  • Harden from a temperature of 820-860°C followed by water or oil quenching.

Tempering:
  • Tempering temperature 550-660~C/air

 

Chemical composition:

GradeMinMax
Carbon, C 0.45 0.50
Manganese, Mn 0.70 1.0 max
Silicon, Si 0.05 0.35
Nickel, Ni -.-- -.--
Molybdenum, Mo -.-- -.--
Chromium,Cr -.-- -.--
Sulfur, S -.-- 0.05
Phosphorous, P -.-- 0.05

Physical Properties(average values) at ambient temperature:
PropertiesMetric
Modulus of elasticity [10^3x N/mm2] 205
Density [g/cm3] 7.85
Specific heat capacity[j/g.k] 0.48

Coefficient of Linear Thermal Expansion 10^-6 °C^-1:
20-10020-25020-500
11.5 13.0 14.0

Equivalent grades of grade C45:
USAGermany
DIN,WNr
Russia
GOST
Japan
JIS
France
AFNOR
England
BS
Italy
UNI
China
GB
Czechia
CSN
1049
1050

C45
50
S50C XC48H1
070M50
080M50
1C50
C50
50 12051
Sweden Inter
UNE SS PN ONORM ISO
1674 C50
C50E4
45 C45SW C45

Mechanical properties in quenched + Tempered Condition:
Diameter d (mm)Thickness t (mm)0.2% proof stress N/mm2Tensile strength N/mm2Elangonation A5%
<16 <16 min.390 min.620 min.14
<17-100 <16-100 min.305 min.305 min.16
<101-250 <100-250 min.275 min.560 min.16

Mechanical Properties in Normalizes Condition:
Diameter d (mm)Thickness t (mm)0.2% proof stress N/mm2Tensile strength N/mm2Elangonation A5%
<16 <16 min.390 min.620 min.14
<17-100 <16-100 min.305 min.305 min.16
<101-250 <100-250 min.275 min.560 min.16
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C50 Forging Steel Square Bar

C50 Forging Steel Square Bar
  • C50 Forging Steel Square Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Size2x2 inch,3x3 inch,etc
ShapeSquare
Material GradeC50
Usage/ApplicationIndustrial
Single Piece Length3-6 meter
MaterialSteel
TechniqueHot Rolled

Description: C50 is a medium carbon steel is used when greater strength and hardness is desired than in the as rolled’ condition.C50 steel plate, EN 10083 C50 steel plate, under EN 10083 standard, we can regard C50 steel plate as high carbon steel.C50 steel plate is one mainly of high carbon steel,EN 10083 C50 steel plate is one of the higher carbon content (0.47-0.55) steels.It is equal to DIN C50,JUS .16301 and NF AF70C55.C50 high carbon steel has the good grain and Mechanical properties. It’s yield strength is between 320-610 MPa, C50 tensile strength is from290MPa to 590MPa. More detailed information about EN10083-2 C50 steel Mechanical Properties.

Soft Annealing:
  • Heat to 680-710°C, cool slowly in furnace.
  • Normalizing temperature: 840-880°C/air.
  • Harden from a temperature of 820-860°C followed by water or oil quenching.
  • Tempering temperature: 550-660°C/air.
  • Hot forming temperature: 1050-850oC.

Mechanical Properties:
Nominal thickness (mm):to 100100 - 250
Rm - Tensile strength (MPa) (+N)610590
Nominal thickness(mm):to 100100 - 250
Re  - Upper yield strength (MPa) (+N)320290
Nominal thickness (mm)to 100100 - 250
A - Min. elongation at fracture (%) longitud., (+N)1414

Physical Properties(avarage values) at ambient temperature:
PropertiesMetric
Modulus of elasticity [10^3x N/mm2]205
Density [g/cm3]7.85
Specific Heat Capacity[J/g.K]0.48

Coefficient of Linear Thermal Expansion 10^-6 °C^-1:
20-100°C20-250°C20-500°C
11.51314

Equivalent grades of grade C50:
USAGermany
DIN,WNr
Russia
GOST
Japan
JIS
France
AFNOR
England
BS
Italy
UNI
China
GB
Czechia
CSN
1049
1050

C45
50
S50CXC48H1
070M50
080M50
1C50
C50
5012051
SwedenInter
UNESSPNONORMISO
1674C50
C50E4
45C45SWC45
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C55 Forging Steel Round Bar

C55 Forging Steel Round Bar
  • C55 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeC55
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

C55 is a medium carbon steel is used when greater strength and hardness is desired than Si the as rolled’ condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed appications. Turned, ground and polished.

Soft Annealing:
  • Heat to 650-700°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 229.

Normalizing:
  • Normalizing temperature: 825-865°C/air.

Hardening:
  • Harden from a temperature of 805-845°C followed by water or oil quenching.

Tempering:
  • Tempering temperature: 550-660°C/air.


Chemical composition:

ElementMinMax
Carbon, C0.500.60
Manganese, Mn0.600.90
Silicon, Si-.--0.30
Sulfur, S-.--0.30
Phosphorous, P-.--0.30

Mechanical Properties:
Diameter d0.2 % proof stressTensile strengthElongationReduction Z
(mm)          (Wmm 2 )(Nfrnm 2 )A5 (%)(%)
upto 16             540780-9301220
17-40        460740-8901430
41-100       420700-8501535

Equivalent grades of grade C40 (warning only for reference):
USAGermany
DIN,WNr
Russia
GOST
Japan
JIS
France
AFNOR
England
BS
Italy
UNI
China
GB
Czechia
CSN
1055C5550 55S55CAF70C55 C54070M55 50 En91C55 C55551655
SpainSwedenPolandInter
UNESSPNISO
C55k165555C55 C55E4

Heat treatment conditions:
+ASoft annealed
+ACAnnealed to achieve spheroidization of the carbides
+ARAs rolled
+ATSolution annealed
+CCold drawn / hard
+CRCold rolled
+FPTreated to ferrite-pearlite structure and hardness range
+IIsothermal annealing
+LCCold drawn / soft
+MThermo mechanical rolling
+NNormalized
+NTNormalized and tempered
+PPrecipitation hardened
+PEPeeled
+QAAir quenched and tempered
+QLLiquid quenched and tempered
+QTQuenched and tempered
+STreated to improve shearability
+SHAs rolled and turned
+SRCold drawn and stress relieved
+TTempered
+THTreated to hardness range
+WWWarm worked
+UUntreated
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C60 Forging Steel Round Bar

C60 Forging Steel Round Bar
  • C60 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeC60
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

Carbon Steel C 60 Description C 60 steel is one of the higher carbon content (0.60%) steels. It is more difficult to fabricate than the lower carbon grades.

Soft Annealing:

  • Heat to 650-700°C, cool slowly in furnace.
  • This will produce a maximum Brinell hardness of 241.

Hardening:
  • Harden from a temperature of 800-830°C, 810-840°C followed by water or oil quenching.

Normalizing:
  • Normalizing temperature (°C): 820-850°C.

Tempering:
  • Tempering temperature: 540-680°C.

Forging:
  • Hot forming temperature: 1100-850°C.

Machinability:
  • Machinability of C 60 and all of the higher carbon steels is relatively poor.
  • CK60 rates at 55 to 60 % that of the AIS11112 steel which is considered 100% machinable

Corrosion Resistance:
  • This steel is not corrosion resistant, it will rust unless protected.

Welding:
  • C 60 steel is weldable by all of the welding methods. However with its higher carbon content it is important to use both pre-heat at 150 to 260°C and post-heat at 590 to 650°C practice per an approved welding procedure.

Cold working:
  • Cold working is difficult even in the annealed condition although it may be done by conventional methods but requires greater force than the lower carbon steels.


Chemical Composition:

GradeMinMax
Carbon, C 0.55 0.65
Manganese, Mn 0.50 0.80
Silicon, Si 0.15 0.35
Sulfur, S -.-- 0.50
Phosphorous, P -.-- 0.50


Mechanical Properties in Normalized Condition:

Diameter (mm)0.2% proof stress (Wmm 2 )Tensile strength (Wmm 2 )Elongation  (%)
up to 16 380 710 10
17-40 340 670 11
41-100 340 670 11
101-160 310 650 11
161-250 310 650 11

Mechanical Properties in Quenched+Tempered Condition:
Diameter0.2% proof stressTensile strengthElongation A5Reduction Z
(mm) (Wmm 2 ) (Wmm2) (%) (%)
up to 16* 580 850 -1000 11 25
17-40 520 800-950 13 30
41-100 450 750-900 14 35
101- 160 - - - -

 

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CK 50 Forging Steel Round Bar

CK 50 Forging Steel Round Bar
  • CK 50 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeCK 50
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

CK-50 is a Fe-Cr-Ni alloy containing slightly more chromium and considerably more nickel than the CH-20 grade. The alloy is used provides good resistance to dilute sulfuric acid and resists many co rodents more effectively Than CF-8 type. The alloy is fully austenitic and contains chromium carbides throughout the matrix, which are put into solution by High temperature solution anneal, which also improves ductility and strength. The alloy should be solution Annealed to maximize corrosion resistance and after welding to prevent sensitization of the HAZ.


Properties:

  • Component parts for vehicles, shafts, bushings, crankshafts, connecting rods and parts for the machine building industry and steel for axes, knives, hammers etc.

Heat Treatment:

  • Heat to 650-700°C, cool slowly.
  • Hardness after annealing
  • Max. 207 HB

Normalizing:
  • Normalizing temperature (°C): 840-870°C.


Physical Properties:

QuantityValueUnit
Thermal expansion 16 - 17 e-6/K
Thermal conductivity 16 - 16 W/m.K
Specific heat 500 - 500 J/kg.K
Melting temperature 1370 - 1400
Service temperature 0 - 500
Density 8000 - 8000 kg/m3
Resistivity 0.7 - 0.7 Ohm.mm2/m


Mechanical Properties:

Properties Conditions 
T (°C) Treatment
Density (×1000 kg/m3) 7.7-8.03 25
Poisson's Ratio 0.27-0.30 25
Elastic Modulus (GPa) 190-210 25
Tensile Strength (Mpa) 1158 25 oil quenched, fine grained, tempered at 425°C
Yield Strength (Mpa) 1034
Elongation (%) 15
Reduction in Area (%) 53
Hardness (HB) 335 25 oil quenched, fine grained, tempered at 425°C
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Forging Steel Round Bar

Forging Steel Round Bar
  • Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

DIN 41Cr4 and DIN 42CrMo4 materials have been widely used in automotive driving elements. Although 42CrMo4 is more expensive than 41Cr4, it is more preferable in terms of material properties. In this study, these two materials were heat treated by austenitizing in a continuous furnace at 850 °C and quenched in oil at 90 °C. After they were tempered at various temperatures, mechanical properties were determined for each tempering temperature. The material properties for both materials were compared with each other. Results indicated that same mechanical properties for 41Cr4 and 42CrMo4 can be achieved by tempering 41Cr4 about 50 °C lower temperature than for 42CrMo4. In addition to the mechanical tests, fatigue tests were performed for both materials. Weibull distributions were plotted. Results indicated that 42CrMo4 had a longer life than 41Cr4 material.

Heat Treatment:

  • Forging: Heat to 1150°C Hold until uniform.
  • Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.
  • Annealing: Heat to 830°C – 850°C. Cool in furnace.
  • Normalising: Heat to 870°C – 900°C. Cool in still air.

Forging:
  • Heat to 1150°C Hold until uniform.Minimum forging temperature 850°C.Cool slowly in ashes or sand etc.


Chemical Composition:

PropertiesMetricImperial
Hardness, Brinell (typical)30033
Hardness, Rockwell C (typical)3030
Tensile strength, ultimate965-1030 MPa140000-150000 psi
Tensile strength, yield
827-862 MPa120000-125000 psi

Elongation at break (in 50 mm (2"))20.0%20.0%
Compressive strength862 MPa125000 psi
Charpy impact (V-Notch)27.1-33.9 J20.0-25.0 ft-lb
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi

Temperature °C:
Hot formingNarmalaizing+NQuenching+QQuenching+Q Tempering+TStress-relieving+SR
1100-850870air860 oil or polymer850 water540-68050°C under the temperature
Soft annealing+AIsothermal annealing+iSpheroidizing annealing+ACEnd Quench hardenability testPre heating weldingStress-relieving after welding
720 air(HP max 241)820 fumace cooling to 670,then air (HB max 200)840 water300550 fumace cooling
Ac1Ac3MsMf
745790335120


Mechanical Properties((Hardened and Tempered):

Dia Scope(mm)Tensile Strength Rm (Mpa)Yield Strength R2 (Mpa)Elongation (longitudinal direction) Al (%)Reduction of area (%)Impact Energy Joules (-20°C)
16 max1100-1300900 min10 min40 min30 min
16-401000-1200750 min11 min45 min35 min
40-100900-1100650 min12 min50 min35 min
100-160800-950650 min13 min50 min35 min
160-250750-900500 min14 min55 min35 min
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CK 30 Forging Steel Round Bar

CK 30 Forging Steel Round Bar
  • CK 30 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeCK 30
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

It is a higher carbon (0.30%) manganese steel in the plain carbon steel alloy family. It provides greater strength than the lower carbon grades while still retaining reasonable ductility.

Designation by Standards:
  • Mat No1.1178
  • DIN Ck30
  • EN -AISI 1030

 

Soft Annealing:

  • A full anneal is accomplished at 870 to 980°C followed by slow cooling in the furnace.
  • A stress relief anneal may be done at 540°C.

Hardening:
  • Heat treat at 810 to 870°C and water quench, followed by a tempering treatment.

Tempering:
  • Temper, after heat treat and quench, at 320 to 540°C depending upon strength level desired

Forging:
  • Hot forming temperature: 1050-850°C.

Machinabilty:
  • Machinabilty of 0K30 steel is rated at 70% that of the AIS11112 steel considered to be 100% machinable as a reference.
  • Corrosion Resistance: This is a plain carbon steel and will rust unless protected.

Welding:
  • CK30 steel may be welded by all methods. In heavy sections it is advisable to pre-heat at 150 to 260°C and post-heat at 540 to 650°C for welding.

Cold working:
  • Cold working of CK30 steel in the annealed condition may be don by conventional methods.
  • A fu or stress relief anneal may be needed after cold working.


Chemical Composition:

GradeMinMax
Carbon, C 0.25 0.35
Manganese, Mn 0.60 0.90
Silicon, Si 0.15 0.35
Sulfur, S -.-- 0.50
Phosphorous, P -.-- 0.50


Mechanical Properties of grade C30:

Nominal thickness (mm): 0.3 - 3
Rm - Tensile strength (MPa) (+A) 520
Nominal thickness (mm): 0.3 - 3
Rm - Tensile strength (MPa) (+CR) 920
Nominal thickness (mm): 0.3 - 3
A - Min. elongation Lo = 80 mm (%) (+A) 20
Vickers hardness ( HV): (+CR) 270
Vickers hardness ( HV): (+A) 165

 

 

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CK 40 Forging Steel Bar

CK 40 Forging Steel Bar
  • CK 40 Forging Steel Bar
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Product Details:

Material GradeCK 40
Single Piece Length3-6 meter
ShapeRound, Square, Hexagonal, etc
Surface FinishGalvanized
Usage/ApplicationIndustrial
MaterialSteel
Thickness8-100 mm

CK40 steel has a higher (0.40%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering to develop 150 to 250 ksi tensile strength.

 

Designation by Standards:

  • Mat No1.1186
  • DIN Ck40
  • EN   
  • AISI 1040


Soft Annealing:

  • Heat to 870-980°C, cool slowly in furnace.

Normalizing:
  • Normalizing temperature: 890°C.

Forging:
  • Hot forming temperature: 1100-850°C.

Machinability:
  • Machinability is good,rated at 60 % that of the AIS11112 alloy steel which is considered 100% machinable

Corrosion Resistance:
  • This is a steel alloy and will rust if not protected. it is not corrosion resistant

Welding:
  • CK40 steel is weldable by all of the welding methods.
  • However with its higher carbon content it is important to use both pre-heat at 150 to 260°C and post-heat at 590 to 650°C practice per an approved welding procedure.

Tempering:
  • Tempering from the quenched condition may be done at 320-700°C depending upon the strength desired

Cold Working:
  • In the annealed state the CK 40 alloy is readily cold worked by conventional methods


Chemical Composition:

GradeMinMax
Carbon, C 0.35 0.45
Manganese, Mn 0.60 0.90
Silicon, Si 0.15 0.35
Sulfur, S -.-- 0.50
Phosphorous, P -.-- 0.50


Mechanical Properties in Normalized', Hardened+Tempered Condition:

Normalized, +N:     
Diameter d [mm] <16 <16-40 >40-100 >100-160 >160-250
Thickness <8 8 20 60 100
0,2%proof stress
Rpo,2 [MN/mm2]
min.320 min.290 min.260
Tensile strength Rmm [N/mm2
min580 min.550 min.530
Fracture elangonation A5 [%] min.16 min.17 min.17

 

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CK 45 Forging Steel Round Bar

CK 45 Forging Steel Round Bar
  • CK 45 Forging Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeCK 45
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
MaterialSteel
TechniqueHot Rolled
ShapeRound

CK45 is a medium carbon steel is used when greater strength and hardness is desired than in the as rolled’ condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished.


Designation by Standards:

  • Mat No1.1191
  • DIN Ck45
  • EN 
  • AISI 1045


Soft Annealing:

  • Heat to 650-700°C, cool slowly. This will produce a maximum Brinell hardness of 207.

Normalizing:
  • Normalizing temperature (°C): 840-870°C.

Chemical Composition:
ElementMinMax
Carbon, C 0.40 0.50
Manganese, Mn 0.60 0.90
Silicon, Si 0.15 1.35
Sulfur, S -.-- 0.50
Phosphorous, P -.-- 0.50

Coefficient of Linear Thermal Expansion 10^-6 °C^-1:
20-100°C20-200°C20-300°C20-400°C20-500°C20-600°C20-700°C
11.6 12.3 13.1 13.7 14.2 14.7 15.1

Tempering temperature: See the data below:

20°C50°C100°C150°C200°C250°C300°C
56 56 56 54 52 49 45.5

Mechanical Properties Vs Diameter:
DiameterTensile Strength (MIDa)Yield Strength (MPa)Elongation Reduction (%) in Area (%)
cold drawn, round bar (16-22 mm) 655 585 12 35
cold drawn, round bar (32-50 mm) 585 515 10 30
cold drawn, round bar (50 - 75mm) 515 485 10 30
cold drawn, round bar (22-32 mm) 620 550 11 30
cold drawn, round bar (19-32 mm) 625 530 12 30
cold drawn, annealed, round bar (19-32 mm) 585 505 12 45
cold drawn, high temperature, stress relieved, round bar (16-22 mm) 655 515 15 45
cold drawn, high temperature, stress relieved, round bar (50-75 mm) 550 450 12 35
cold drawn, high temperature, stress relieved, round bar (32-50 mm) 585 485 15 40
cold drawn, high temperature, stress relieved, round bar (22-32 mm) 620 515 15 40
cold drawn, low temperature, stress relieved, round bar (22-32 mm) 655 585 11 30
cold drawn, low temperature, stress relieved, round bar (16-22 mm) 690 620 12 35
cold drawn, low temperature, stress relieved, round bar (50-75 mm) 585 515 10 25
cold drawn, low temperature, stress relieved, round bar (32-50 mm) 620 550 10 30
hot rolled, round bar (19-32 mm) 565 310 16 40
turned, ground and polished, round bar (19-32 mm) 875 405 24 45
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CK 60 Forging Steel Round Bar

CK 60 Forging Steel Round Bar
  • CK 60 Forging Steel Round Bar
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Product Details:

Material GradeCK 60
Single Piece Length3-6 meter
Usage/ApplicationIndustrial
Thickness/Diameter1-2 inch
MaterialSteel
TechniqueHot Rolled
ShapeRound

CK 60 steel is one of the higher carbon content (0.60%) steels. It is more difficult to fabricate than the lower carbon grades.


Designation by Standards:

  • Mat No1.1221
  • DIN Ck65
  • AISI 1060


Soft Annealing:

  • Heat to 650-700°C, cool slowly in furnace. This will produce a maximum Brinell hardness of 241.

Hardening:
  • Harden from a temperature of 800-830°C, 810-840°C followed by water or oil quenching.

Normalizing:
  • Normalizing temperature (°C): 820-850°C.

Tempering:
  • Tempering temperature: 540-680°C.

Forging:
  • Hot forming temperature: 1100-850°C.

Machinability:
  • Machinability of CK60 and all of the higher carbon steels is relatively poor.
  • CK60 rates at 55 to 60 % that of the AIS11112 steel which is considered 100% machinable

Corrosion Resistance:
  • This steel is not corrosion resistant, it will rust unless protected.

Welding:
  • CK60 steel is weldable by all of the welding methods. However with its higher carbon content it is important to use both pre-heat at 150 to 260°C and post-heat at 590 to 650°C practice per an approved welding procedure.

Cold working:
  • Cold working is difficult even in the annealed condition although it may be done by conventional methods but requires greater force than the lower carbon steels.


Chemical Composition:

GradeMinMax
Carbon, C 0.55 0.65
Manganese, Mn 0.50 0.80
Silicon, Si 0.15 0.35
Sulfur, S -.-- 0.50
Phosphorous, P -.-- 0.50


Mechanical Properties in Normalized Condition:

Diameter (mm)0.2% proof stress (Wmm 2 )Tensile strength (Wmm 2 )Elongation  (%)
up to 16 380 710 10
17-40 340 670 11
41-100 340 670 11
101-160 310 650 11
161-250 310 650 11

Mechanical Properties in Quenched+Tempered Condition:
Diameter0.2% proof stressTensile strengthElongation A5Reduction Z
(mm) (Wmm 2 ) (Wmm2) (%) (%)
up to 16* 580 850 -1000 11 25
17-40 520 800-950 13 30
41-100 450 750-900 14 35
101- 160 - - - -

 

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CK 55 Forging Steel Flat Bar

CK 55 Forging Steel Flat Bar
  • CK 55 Forging Steel Flat Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeCK 55
Single Piece Length3-6 meter
ShapeRectangular
Surface FinishGalvanized
Usage/ApplicationIndustrial
Thickness/Diameter0-1 inch
MaterialSteel

CK 55 steel has a higher (0.55%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering.


Designation by Standards:

  • Mat No1.1203
  • DIN Ck55
  • EN 
  • AISI 1055

 

Hardening:
  • Harden from a temperature of 840-870°C, 850-880°C followed by water or oil quenching.

Normalizing:
  • Normalizing temperature (°C): 825-865°C.

Tempering:
  • Tempering from the quenched condition may be done at 540 – 680°C depending upon the strength desired.


Forging:

  • Hot forming temperature: 1100-850°C.

Corrosion Resistance:
  • This is a steel alloy and will rust if not protected. it is not corrosion resistant.

Welding:
  • CK55 steel is weldable by all of the welding methods.
  • However with its higher carbon content it is important to use both pre-heat at 150 to 260°C and post-heat at 590 to 650°C practice per an approved welding procedure.

Cold working:
  • CompoIn the annealed state the CK55 alloy is readily cold worked by conventional methods.


Mechanical Properties Vin Hardened+Tempered Condition:

Diameter0.2% proof stressTensile strengthElongation A5Reduction Z
(mm) (Wmm 2 ) (Wmm2) (%) (%)
up to 16* 540 780-930 12 25
17-40 460 740-890 14 35
41-100 420 700-850 15 40
up to 16 430 630-780 17 40

Physical Properties:
QuantityValueUnit
Thermal expansion 16 - 17 e-6/K
Thermal conductivity 16 - 16 W/m.K
Specific heat 500 - 500 J/kg.K
Melting temperature 1370 - 1400 °C
Service temperature 0 - 500 °C
Density 8000 - 8000 kg/m3
Resistivity 0.7 - 0.7 Ohm.mm2/m

Thermal Properties:
Properties Conditions 
T (°C) Treatment
Thermal Conductivity (W/m-K) 42.7 100
Specific Heat (J/kg-K) 477 50-100
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Forged Round Bars

Forged Round Bars
  • Forged Round Bars
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Minimum Order Quantity500 Kg
Usage/ApplicationIndustrial
Single Piece Length3-6 meter
Thickness/Diameter1-2 inch
MaterialSteel
ShapeRound
TechniqueHot Rolled

We are offering wide range of Forged Round Bars to our clients. 

Other Available Grades: EN9, EN31, EN24, etc

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