Khaitan Steel Forgings
Khaitan Steel Forgings
Amraiwadi, Ahmedabad, Gujarat
GST No. 24AAMFK9555G1ZY
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Case Hardening Steel Bars And Sheets

Manufacturer of a wide range of products which include c20 case hardening steel rectangular bar, aisi 8620 case hardening steel round bar, c10 case hardening steel bar, case hardening steel sheets, c1018 case hardening steel sheets and c1015 case hardening steel sheets.

C20 Case Hardening Steel Rectangular Bar

C20 Case Hardening Steel Rectangular Bar
  • C20 Case Hardening Steel Rectangular Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Single Piece Length3-6 meter
ShapeRectangular
Surface FinishGalvanized
Material GradeC20
TechniqueHot Rolled
MaterialSteel

C-20 is an unalloyed low carbon mild steel grade supplied as a hot rolled or bright drawn finish bar. As a low carbon steel grade it provides low strength with good machinability and is suitable for welding. Mild Steel, fairly easy to machine but with a tendency to ‘rip’ if unlubricated. It is very easy to weld and is used as a more general purpose steel for multiple applications.


Not Suitable For:
  • Stress components such as torque loaded shafts, high bending forces and shock loading.
  • The material will yield and distort under stress conditions, bending before shear.

Machining:
  • Surface ‘ripping’ is more evident in EN3 so lubrication is essential.
  • Fairly high surface speeds should be used with moderate feeds.
  • Screw cutting is easy with cutting oil and achieving a fine finish is achieved with slight polishing.
  • Very nice to weld with good flow and strength.

Annealing:
  • C-20 is commonly supplied bright drawn or as rolled. If annealing is required heat to 880-910°C, furnace cool.

Hardening:
  • As a low carbon steel C-20 is not ideally suited for heat treatment (EN8 or EN9 may be a better suited option).
  • If hardening is required heat to a temperature of 880-910°C. Quench in water and temper.

Heat Treatment:
  • When hardening C-20 heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each component.
  • Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities.
  • Please consult your heat treatment provider for full guidance on heat treatment of C-20 carbon steel.

Chemical composition:
ElementMinMax
Carbon, C -.-- 0.25
Manganese, Mn -.-- 1.00
Silicon, Si 0.05 0.35
Sulfur, S -.-- 0.06
Phosphorous, P -.-- 0.06

Thermal Properties:
propertiesMetricImperial
Thermal conductivity 51.9 W/mK 360 BTU in/hr.ft².°F

Mechanical Properties:
Mechanical PropertiesMetricImperial
Tensile strength 425 MPa 61600 psi
Yield strength 360 MPa 52200 psi
Shear modulus 80.0 GPa 11600 ksi
Bulk modulus 140 GPa 20300 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson’s ratio 0.27-0.30 0.27-0.30
Elongation at break 0.15 0.15
Reduction of area 0.4 0.4
Hardness Brinell 121 121
Hardness, Knoop 140 140
Hardness, Rockwell B 68 68
Hardness, Vickers 126 126
Machinability 65 65
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AISI 8620 Case Hardening Steel Round Bar

AISI 8620 Case Hardening Steel Round Bar
  • AISI 8620 Case Hardening Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
ShapeRound
MaterialSteel
StandardAISI 8620
Single Piece Length3-6 meter
TechniqueHot Rolled

Alloy steels contain a wide range of steels whose compositions exceed the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B fixed for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels. AISI 8620 alloy steel is a common, carburizing alloy steel. This alloy steel is flexible during hardening treatments, thus enabling improvement of case/core properties. The following datasheet will provide more details about AISI 8620 alloy steel.


Chemical composition:
ElementMinMax
Carbon, C0.180.23
Manganese, Mn0.701.00
Silicon, Si-.--0.35
Nickel, Ni0.400.70
Molybdenum, Mo0.080.15
Chromium,Cr0.550.80
Sulfur, S-.--0.05
Phosphorous, P-.--0.05

Mechanical Properties:
PropertiesMetricImperial
Tensile strength530 MPa76900 psi
Yield strength385 MPa55800 psi
Elastic modulus190-210 GPa27557-30458 ksi
Bulk modulus (typical for steel)140 GPa20300 ksi
Shear modulus (typical for steel)80 GPa11600 ksi
Poisson’s ratio0.27-0.300.27-0.30
Izod Impact115 J84.8 ft.lb
Hardness, Brinell149149
Hardness, Knoop (converted from Brinell hardness)169169
Hardness, Rockwell B (converted from Brinell hardness)8080
Hardness, Vickers (converted from Brinell hardness)155155
Machinability (hot rolled and cold drawn, based on 100 machinability for AISI 1212 steel)
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C10 Case Hardening Steel Bar

C10 Case Hardening Steel Bar
  • C10 Case Hardening Steel Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Single Piece Length3-6 meter
Surface FinishGalvanized
Material GradeC10
TechniqueHot Rolled
MaterialSteel
Density7.85 g/cm3

C10 is a plain carbon steel with a nominal 0.10% carbon content. It is relatively low strength steel but it may be quenched and tempered for increased strength.

 

Soft Annealing:
  • Heat to 850-950 0C, Cool slowly. This will produce a harness of 90-100HB.

Stress Relieving:
  • Stress relieving to remove machining stresses should be carried out by heating to approx 540 0C, holding for 1-2 hours at heat, followed by air cooling.
  • This operation is performed to reduce distortion during heat treatment

Forging:
  • Hot forming temperature 1299-950 0C.

Machinability:

  • Machinability of C10 steel is fairly good, especially in the cold drawn or cold worked condition.
  • Based upon Carbon steel AISI 1112 as a reference that is considered 100% machinable (easily machined) the C10 steel has a rating of 55%.

Corrosion Resistance:
  • This is a plain carbon steel has no corrosion resistance. It will rust unless protected.

Welding:
  • C10 steel may be welded by all of the standard welding techniques

Cold Working:
  • C10 is easily cold worked by traditional means. Following severe cold working a stress relief, or full, anneal should be performed.


Mechanical PropertiesApplications:

  • The aerospace industry, automobile motorcycle bicycle manufacturing, bearings, medical equipment, instrumentation, and precision instrument industries are the ideal matching products

Characteristics and Advantages:
  • Carbon steel ball, chrome steel ball, stainless steel ball, complete product specifications, can provide you with accuracy of 10 -1 000 level within the various types of steel balls of various specification

Chemical composition:
ElementCSiMnCrMoNiVWOthers
Min0.000.000.00------
Max0.10.400.45------

Coefficient of linear Thermal Expansion 10-6 0 C -1:
20-100 0 C20-200 0 C
1111.8

Equivalent grades of grade C10 (1.0301):
GermanyFranceItalyRussia
DIN,WNrAFNORUNIGOST
Ck10XC10C1010
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Case Hardening Steel Sheets

Case Hardening Steel Sheets
  • Case Hardening Steel Sheets
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
ThicknessUpto 25 mm
Size8x4 feet, 5x2 feet
ShapeRectangular
MaterialSteel
TechniqueHot Rolled

Alloyed case hardening steel for parts with a required core tensile strength of 1000-1300 N/mm² and good wearing resistance as boxes, piston bolts, spindles, camshafts, gears, shafts and other mechanical controlling parts.


Soft Annealing:

  • Heat to 650-700 0C.

Carburizing:
  • Temperature 900-950 0C
  • Cooing from carburizing temperature: Water, oil, air, thermal bath, cooling box.

Hardening:
  • Core hardening 850-880 0C.
  • Case hardening: 810 -8400C. 
  • Quenching media: Water, oil, air, thermal bath.

Tempering:
  • Tempering temperature : 170-200 0C.

Forging:
  • Hot Forming temperature: 1100-850 0C.


Chemical composition:

PropertiesMetricImperial
Density 7.85 g/cc 0.284 lb/in3

 

Heat Treatment And Hot Plastic Deformation Temperatures:

-Temperature ° CCooling Medium
Forging or hot rolling 850-1100 air
Normalizing 840-870 air
Soft Annealing 650-700 furnace 217HB max
Carburising 880-980 /
Core hardening 860-900 oil
Intermediate annealing 650-700 /
Case hardening 780-820 oil
Tempering 150-200 /

Mechanical properties of grade 20MnCr5:
  Brinell hardness   (HBW):   (+S)255
  Brinell hardness   (HBW):   (+A) 217
  Brinell hardness   (HBW):   (+TH) 170 - 217
  Brinell hardness   (HBW):   (+FP) 152 - 201
  Brinell hardness   (HBW):   (+N) 140 - 201
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C1018 Case Hardening Steel Sheets

C1018 Case Hardening Steel Sheets
  • C1018 Case Hardening Steel Sheets
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Thickness1-12 mm
Usage/ApplicationIndustrial
Size8x4 feet, 5x2 feet, etc
ShapeRectangular
Material GradeC1018
MaterialSteel
TechniqueHot Rolled

C1018 is a general purpose low carbon steel with good case hardening qualities. It has a higher manganese content than certain other low carbon grades, such as 1020. With higher manganese, 1018 is better steel for carburized parts, since it produces a harder and more uniform case. It also has higher mechanical properties and better machinability due to the cold drawing process. Most 1018 is produced by cold drawing. In this process, oversize hot rolled bars, which have been cleaned of scale, are drawn through dies to the required size. Cold drawing increases tensile and yield strength but decreases ductility. Cold drawing also increases torsional strength, surface hardness and wear resistance. Due to size limitations of the cold drawing process, large diameter bars are generally turned and polished, the hot roll rounds usually machine turned, rather than drawn, then abrasively polished. C1018, available in rounds, flats, squares and hexagons, has a relatively large size selection.

 

Machinability and Weldability:
  • Machinability is rated at 78% of B1112. Average cutting speed 130 ft/min.
  • This grade is easily welded by all welding processes including gas, air, and submerges arc, and the resultant welds and joints are of extremely high quality.
  • Preheat and post-weld heating is generally not necessary.


Mechanical Properties:

ConditionTensile Strength (PSI)Yield Strength (PSI)Reduction of AreaElongation in 2"Brinell Hardness
1" Rd, cold drawn 85000 70000 55 28 167
7" Rd, turned & polished 70000 45000 58 36 143


Test parameters for corrosion experiments, surface characterization and inhibitor characterization:

RCE outer surface area (cm 2 )4.55
Solution volume (L) 1
Temperature (°C) 20, 30, 40 and 50
pH 6.76 → 5.60
Inhibitor concentration (ppm) 10, 25, 50, 75 and 100
pCO 2  (bar) 0.9
NaCl concentration (wt%) 1
CO 2  quality >99.7%
Solution stirring Stirred
Scan rate (mV/s) 1
Inhibitors characterization FT-IR
Physical–chemical methods.
Thermal analyses
Corrosion measurements Extrapolation of cathodic and anodic Tafel plots
Linear polarization corrosion rate
Wight Loss measurements
Surface characterization EDRF, SEM
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C1015 Case Hardening Steel Sheets

C1015 Case Hardening Steel Sheets
  • C1015 Case Hardening Steel Sheets
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
Thickness1-12 mm
Size8x4 feet, 5x2 feet, etc
ShapeRectangular
Material GradeC1015
MaterialSteel
TechniqueHot Rolled

Steels with only carbon as their specific alloying element are known as carbon steels. Traces of 0.4% silicon and 1.2% manganese can be found in these steels. Carbon steels also contain small quantities of copper, nickel, molybdenum, aluminium and chromium.

 

Cold-extruded and case-hardened parts Heat Treatment:

  • Normalize at 1675° to 1725°F (913° to 941°C) before air cooling
  • Full anneal at 1600° to 1725°F (871° to 941°C) before furnace cooling
  • Process anneal after cold working at 1100° to 1225°F (593° to 663°C)
  • Harden
  • Carburized
  • Not carburized
  • Can be case hardened


Machinability:

  • Readily machined
  • Annealed
  • Normalized
  • Cold-drawn
  • Carburized
  • Quenched, tempered
  • Good surface finish may be compromised from tearing in annealed state


Workability:

  • Hot roll or forge from 1800° to 2300°F (982° to 1260°C)
  • Intermediate annealing required for substantial cold work
  • Fully anneal when further cold work will follow extensive cold work


Soft Annealing

  • Heat to 850-950°:C, cool slowly. This will produce a hardness of 90-100 HB

Chemical composition:
ElementMinMax
Carbon, C 0.10 0.18
Manganese, Mn 0.70 1.10
Silicon, Si 0.05 0.35
Nickel, Ni -- --
Molybdenum, Mo -- --
Chromium,Cr -- --
Sulfur, S -.-- 0.07
Phosphorous, P -.-- 0.05

Thermal Properties:
Thermal propertiesMetricImperial
Thermal expansion co-efficient (@0.000-100°C/32.0-212°F) 11.9 µm/m°C 6.61 µin/in°F
Thermal conductivity (estimated based on similar materials) 51.9 W/mK 360 BTU in/hr.ft².°F

Mechanical Properties:
PropertiesMetricImperial
Tensile strength 385 MPa 55800 psi
Yield strength 325 MPa 47100 psi
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80.0 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30
Elongation at break (In 50 mm) 0.18 0.18
Reduction of area 0.4 0.4
Hardness, Brinell 111 111
Hardness, Knoop (converted from Brinell hardness) 129 129
Hardness, Rockwell B (converted from Brinell hardness) 64 64
Hardness, Vickers (converted from Brinell hardness) 115 115
Machinability (based on AISI 1212 steel as 100 machinability. The machinability of Group I bar, rod, and wire products can be improved by cold drawing.) 60 60
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Saket Khaitan (Partner)
Khaitan Steel Forgings
Ajod Dairy Road, Opposite Gravity House, Near Keval Kanta, Gujarat Bottling, Rakhial
Amraiwadi, Ahmedabad - 380023, Gujarat, India


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