Khaitan Steel Forgings
Khaitan Steel Forgings
Amraiwadi, Ahmedabad, Gujarat
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Tool Steel Bars and Sheets

We are a leading Manufacturer of aisi 52100 tool steel round bar, ohns tool steel round bar, cw 1 tool steel round bar, d2 tool steel flat bar and m2 tool steel flat bar from Ahmedabad, India.

AISI 52100 Tool Steel Round Bar

AISI 52100 Tool Steel Round Bar
  • AISI 52100 Tool Steel Round Bar
  • AISI 52100 Tool Steel Round Bar
  • AISI 52100 Tool Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
AlloyWith Alloy
ShapeRound
TechniqueHot Rolled
MaterialSteel
StandardAISI 52100

Alloy steels contain different varieties of steels that exceed the composition limits of Mn, C, Mo, Si, Ni, Va, and B set for carbon steels.


Fabrication and Heat Treatment Machinability:

  • AISI 52100 alloy steel can be machined using conventional techniques
  • The machinability of this steel can be improved by performing spherodizing annealing process at 649°C (1200°F) before machining

Forming:
  • AISI 52100 alloy steel can be formed using all conventional techniques such as cold forging or stamping and hot or cold upset forming techniques

Annealing:
  • AISI 52100 alloy steel is annealed at 872°C (1600°F) followed by slowly cooling to reduce cold working or machining stress

Heat Treatment:
  • AISI 52100 alloy steel is heated at 816°C (1500°F) followed by quenching in oil
  • Before performing this process, it is subjected to normalizing heat treatment at 872°C (1600°F) followed by slowly cooling in order to reduce the machining stress

Hot Working:
  • AISI 52100 alloy steel can be hot worked at 205 to 538°C (400 to 1000°F)

Cold Working:
  • AISI 52100 alloy steel can be cold worked using conventional techniques in the annealed or normalized conditions

Hardening:
  • AISI 52100 alloy steel is hardened by cold working, or heating and quenching
  • It can be carburized at 913°C (1675°F) followed by quenching. It is again heated at 788°C (1450°F) followed by quenching for the second time

Chemical Composition:
ElementMinMax
Carbon, C 0.90 1.20
Manganese, Mn 0.30 0.75
Silicon, Si 0.10 0.35
Nickel, Ni -- --
Molybdenum, Mo -- --
Chromium,Cr 1.00 1.06
Sulfur, S -.-- 0.05
Phosphorous, P -.-- 0.05

Physical Properties:
PropertiesMetricImperial
Density 7.81 g/cm 3 0.282 lb/in³
Melting point 1424°C 2595°F

Mechanical PropertiesShow 102550100:
PropertiesMetricImperial
Bulk modulus (typical for steel) 140 GPa 20300 ksi
Shear modulus (typical for steel) 80 GPa 11600 ksi
Elastic modulus 190-210 GPa 27557-30458 ksi
Poisson's ratio 0.27-0.30 0.27-0.30
Hardness, Brinell - -
Hardness, Knoop (converted from Rockwell C hardness) 875 875
Hardness, Rockwell C (quenched in oil from 150°C tempered) 62 62
Hardness, Rockwell C (quenched in water from 150°C tempered) 64 64
Hardness, Rockwell C (quenched in oil) 64 64
Hardness, Rockwell C (quenched in water) 66 66

Showing 1 to 10 of 12 entries Previous:
PropertiesMetricImperial
Thermal expansion co-efficient (@ 23-280°C/73.4- 36°F, annealed) 11.9 µm/m°C 6.61 µin/in°F
Thermal conductivity (typical steel) 46.6 W/mK 323 BTU in/hr.ft².°F
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OHNS Tool Steel Round Bar

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

Product Details:

Usage/ApplicationIndustrial
AlloyWith Alloy
ShapeRound
TechniqueHot Rolled
MaterialSteel
Density8670Kg/M3
Single Piece Length3-6 meter

Toughness and Brittleness:
  • Toughness of a material determines whether it can be subjected to shock conditions, and the extent to which it may undergo deformity in shape but still not snap.
  • If subjected to a proper treatment process, O1 Tool Steel tends to be very tough.
  • As opposed to toughness, brittleness measures whether a material will snap instead of getting deformed, when load is applied.
  • Alloy steels like O1 Tool Steel are less brittle than cast or pig iron because of the presence of magnesium.
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CW 1 Tool Steel Round Bar

CW 1 Tool Steel Round Bar
  • CW 1 Tool Steel Round Bar
  • CW 1 Tool Steel Round Bar
  • CW 1 Tool Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
AlloyWith Alloy
ShapeRound
Product TypeTool Steel Bar
Diameter2 inch
Length3-6 meter
MaterialSteel

Cold work tool steels are employed for the manufacture of tools for applications involving surface temperatures below 200°C. In this temperature range, the steel must feature the following properties in order to guarantee tool resistance to the high stresses arising from the numerous machining and shaping procedures.

 

Product Details:

  • Superior hardness
  • High wear resistance
  • Good toughness
  • Excellent compressive and impact strength
  • High dimensional stability in heat treatment
  • Sufficient machinability

 

Production Description:

  • Micro-Melt® 420-CW tool steel is a corrosion-resistant, high vanadium wear-resistant tool steel produced using Carpenter’s Micro-Melt powder process.
  • The wear resistance of this grade is comparable to Micro-Melt A11-LVC alloy. Micro-Melt 420-CW alloy also is comparable in toughness to Micro-Melt A11 alloy.
  • Micro-Melt 420-CW may be considered for those applications where 440C and D2 tool steels do not have adequate wear resistance or for applications where A11-LVC, A11, D2 or other tool steels do not have adequate corrosion resistance.
  • Many of the benefits realized in the use of Micro-Melt powder metals, such as Micro-Melt 420-CW alloy, are a direct result of the refined microstructure (small, uniformly distributed carbide particles and a fine grain size) and the lack of segregation in the powder metallurgy product.
  • These advantages include ease of grinding, improved response to heat treatment, greater wear resistance, and increased toughness of the finished tool.

 

Decarburization:

  • Micro-Melt 420-CW tool steel, like all high carbon tool steels, is somewhat susceptible to decarburization in hardening.
  • Means of preventing decarburization are well known.
  • Modern furnaces that employ protective environments, such as protective atmospheres, salt pots, fluidized bed furnaces and vacuum furnaces, should present no difficulty with decarburization of this alloy.


Show 102550100 entries Search:

Specific Gravity7.40
Density 0.2700 lb/in³
Mean CTE
70 to 400°F 6.13 x 10-6 in/in/°F
70 to 600°F 6.48 x 10-6 in/in/°F
Modulus of Elasticity (E) 31.0 x 103 ksi

Showing 1 to 5 of 5 entries Previous Next:

Alloy Mechanical Property MakingNormal Diameter, in.Full-Size TestsRock well HardnessMachined Specimen Tests
Tensile Strength ksi Yield Strength ksi Tensile Strength ksi Yield Strength ksi Elongation in 4D, %
F593G 1/4 to 5/8 inch. 100 - 150 65 B95 to C32 95 60 20
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D2 Tool Steel Flat Bar

D2 Tool Steel Flat Bar
  • D2 Tool Steel Flat Bar
  • D2 Tool Steel Flat Bar
  • D2 Tool Steel Flat Bar
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Approx. Price: Rs 55 / KgGet Latest Price

Product Details:

ShapeFlats
Usage/ApplicationIndustrial
Single Piece Length3-6 meter
TypeTool Steel Bar
AlloyWith Alloy
MaterialSteel
Density7.7 x 1000 kg/m3
Melting Point1421 degree C

D2 steel is an air hardening, high-carbon, high-chromium tool steel. It has high wear and abrasion resistant properties. It is heat treatable and will offer a hardness in the range 55-62 HRC, and is machinable in the annealed condition. D2 steel shows little distortion on correct hardening. D2 steel’s high chromium content gives it mild corrosion resisting properties in the hardened condition.Cold-work tool steels include the high-carbon, high-chromium steels or group D steels. These steels are designated as group D steels and consist of D2, D3, D4, D5, and D7 steels. These steels contain 1.5 to 2.35% of carbon and 12% of chromium. Except type D3 steel, all the other group D steels include 1% Mo and are air hardened. Type D3 steel is oil-quenched; though small sections can be gas quenched after austenitization using vacuum.

 

Equivalent materials to D2 tool steels are:

  • DIN 1.2379
  • NI KU
  • B.S. BD 2
  • ASTM A681
  • FED QQ-T-570
  • SAE J437
  • SAE J438
  • UNS T30402

Other DesignationsHeat Treatment:
  • D2 steels should be preheated very slowly to 815ºC (1500ºF) and then temperature can be increased to 1010ºC (1850ºF).
  • They are then held at 1010ºC (1850ºF) for 20 to 45 minutes and air cooled (air quenched).

Forging:
  • Forging of D2 steels can be done from 1065ºC (1950ºF) down to 954ºC (1750ºF).
  • Do not forge below 926ºC (1700ºF).
  • Soaking time = time at austenitlzIng temperature after the tool is fully heated through.

Annealing:
  • D2 is supplied in the annealed and machineable condition.
  • Re-annealing will only be necessary if the steel has been forged or hardened by the toolmaker.
  • To anneal, heat slowly and uniformly to 900°C. Soak for three to four hours and allow to cool in the furnace to room temperature.
  • Re-heat to 800-1040°C and again soak for three to four hours.
  • Allow to cool in the furnace to room temperature.

Tempering:
  • D2 steels can be tempered at 204ºC (400ºF) for achieving Rockwell C hardness of 61 and at 537ºC (1000ºF) for a Rockwell C hardness of 54.

Chemical Composition:
ElementMinMax
Carbon, C1.551.75
Manganese, Mn0.200.40
Silicon, Si0.250.40
Molybdenum, Mo0.500.70
Chromium,Cr11.0012.00
W0.400.60
Vanadium, V0.100.50
Co----

Mechanical Properties:
Mechanical PropertiesMetricImperial
Hardness, Knoop (converted from Rockwell C hardness)769769
Hardness, Rockwell C6262
Hardness, Vickers748748
Izod impact unnotched77.0 J56.8 ft-lb
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi

Thermal Properties:
PropertiesConditions
T (°C)Treatment
Thermal expansion10.4 x 10 -6 /ºC20-100-
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M2 Tool Steel Flat Bar

M2 Tool Steel Flat Bar
  • M2 Tool Steel Flat Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

TypeTool Steel Bar
Usage/ApplicationIndustrial
Material GradeM2 Tool Steel
AlloyWith Alloy
ShapeFlats
Single Piece Length3-6 meter
Metric Density8.16 g/cm3
Imperial Density0.294 lb/in3
Melting Point4680 degree C

M2 is a general purpose molybdenum high speed steel. This grade is characterized by balanced Combination of abrasion resistance, toughness and good red hardness. Due to its comparatively low Carbon content, M2 has an excellent combination of toughness properties and abrasion resistance When properly hardened and tempered. M2 is used in a wide used for all kinds of cutting tool, knife and punch and die applications. Molybdenum high speed steels are designated as Group M steels according to the AISI classification system. Over 95% of high-speed steels manufactured in the US are group M steels. Tungsten is present in all types from M1 to M10, except M6, and cobalt is not present in any these steels. Molybdenum high speed steels have similar performance when compared to tungsten high-speed steels. However, the initial cost of molybdenum tool steels is lower. Titanium nitride, titanium carbide and several other coatings can be used in the tools made of this kind of steels through physical vapor deposition process to improve the performance and life span of the tool.

Other designations that are equivalent to M2 molybdenum high speed tool steels include:

  • AFNOR 06-05-04-02
  • DIN 1.3343
  • UNI KU
  • JIS SKH9
  • SS 2722
  • B.S. BM 2
  • FED QQ-T-590
  • ASTM A597 (CM-2)
  • ASTM A600
  • SAE J437
  • SAE J438
  • UNS T11302


Chemical Composition:

ElementMinMax
Carbon, C0.800.90
Manganese, Mn-.--0.40
Silicon, Si-.--0.40
Molybdenum, Mo4.505.50
Chromium,Cr3.804.50
W5.506.70
V1.602.20

 

The mechanical properties of M2 molybdenum high speed tool steel are tabulated below:

Mechanical propertiesMetricImperial
Hardness, Rockwell C (tempered at 1150°F, quenched at 2200°F)6262
Hardness, Rockwell C (as hardened, quenched at 2200°F)6565
Compressive yield strength (when tempered at 300°F)3250 MPa471000
Izod impact unnotched (when tempered at 300°F)67 J49.4 ft-lb
Abrasion (loss in mm3, as-hardened; ASTM G65)25.825.8
Abrasion (loss in mm3, tempered at 1275°F; ASTM G65)77.777.7
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30458 ksi

The following table shows the thermal properties of M2 molybdenum high speed tool steels:

Thermal propertiesMetricImpherial
CTE, linear (@20.0 - 100°C/ 68.0 - 212°F)10 μm/m°C5.56 μin/in°F
CTE, linear (@20.0 - 500°C/68.0 - 932°F)12.2 μm/m°C6.78 μin/in°F
CTE, linear (@20.0 - 850°C/68.0 - 1560°F)12.6 μm/m°C7 μin/in°F
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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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