Khaitan Steel Forgings
Khaitan Steel Forgings
Amraiwadi, Ahmedabad, Gujarat
GST No. 24AAMFK9555G1ZY
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Die Steel Bars and Sheets

Manufacturer of a wide range of products which include db6 die steel sheets, d3 die steel round bar, db1 die steel rectangular bar, die steel rectangular bar, ohns die steel round bar and industrial die steel flat bar.

DB6 Die Steel Sheets

DB6 Die Steel Sheets
  • DB6 Die Steel Sheets
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Thickness1-6 mm
Surface TreatmentPolished
Usage/ApplicationIndustrial
ShapeRectangular
Material GradeDB 6
Size8x4 feet, 5x2 feet, etc
MaterialSteel

Chemical composition:
ElementMinMax
C 0.50 0.60
Mn 0.60 0.90
Si 0.10 0.35
S 0.00 0.03
P 0.00 0.03
Ni 1.50 1.90
Cr 0.95 1.30
Mo 0.45 0.70
V 0.00 0.10
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D3 Die Steel Round Bar

D3 Die Steel Round Bar
  • D3 Die Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

ApplicationIndustrial
Single Piece Length3-6 meter
Thickness/Diameter1-2 inch
MaterialSteel
Material GradeD3
TechniqueHot Rolled
ShapeRound

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DB1 Die Steel Rectangular Bar

DB1 Die Steel Rectangular Bar
  • DB1 Die Steel Rectangular Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Surface FinishGalvanized
Usage/ApplicationIndustrial
ShapeRectangular
Material GradeDB1 Die Steel
Single Piece Length3-6 meter
TechniqueHot Rolled

Soft Annealing:
  • Protect the steel and heat through to 890°C (1630°F).
  • Then cool in the furnace at 20°C (40°F) per hour to 850°C (1560°f), then at 10°C (20°F) per hour to 700°C (1290°F), then freely in air.

Stress-relieving:
  • After rough machining the tool should be heated through to 650°C (1200°F), holding time 2 hours.
  • Cool slowly to 500°C (930°F), then freely in air.

Hardening:
  • Preheating temperature: 600-850°C (1110-1560°F)
  • Austenitizing temperature: 1020-1050°C (1870-920°F), but usually 1020°C-1030°C (1870-1885°F).

Tensile strength at room temperature:
  • The tensile strength values are to be considered as approximate only.
  • All samples were taken from a bar (in the rolling direction) 25 mm (1″) diameter.
  • Hardened in oil from 1025 ±10°C (1880 ±20°F) and tempered twice to the hardness indicated.

Welding:
  • Good results when welding tool steel can be achieved if proper precautions are taken to elevated working temperature, joint preparation, choice of consumables and welding procedure.
  • For best result after polishing and photo-etching use consumables with the same composition as in the mould.

Tempering:
  • Choose the tempering temperature according to the hardness required by reference to the tempering graph.
  • Temper minimum twice with intermediate cooling to room temperature.
  • Lowest tempering temperature 250 °C(480 °F). Holding time at temperature minimum 2 hours

Chemical composition:
ElementMinMax
Carbon, C0.500.60
Manganese, Mn0.600.90
Silicon,Si0.100.35
Sulfur, S0.000.03
Phosphorous, P0.000.03

Mechanical Properties:
Properties in hardened and tempered conditionNormalizing Temp. oCHardening Temp.oCQuenching mediumTempering Temp.oC
Tensile strength kgf/mm2Yield stress Min. kgf/mm2
80 - 9554810-840810-840Oil550-660

Hardened and tempered to 50 HRC. Data at room and elevated temperatures:

Temperature
20°C (68°F)
200°C (390°F)
400°C (750°F)
Density, kg/m3

lbs/in.
7 800

0.282
7 750

0.280
7 700

0.277
Modulus of elasticity

N/mm2

tsi

psi


200000

12 900

29.0x10^6


190000

12 300

27.6x10^6


180000

11 600

26.1x10^6
Coefficient of thermal expansion

/°C from 20°C

/°F from 68°F






11.0 x 10^-6

6.0 x 10^-6


11,4 x 10^-6

6,5 x 10^-6
Thermal conductivity*

W/m °C

Btu In/(1ft2h °F)


16

110


20

138


24

166
Specific heat l/kg °C

Btu/lb, °F
460

0,110
-

-
-

-
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Die Steel Rectangular Bar

Die Steel Rectangular Bar
  • Die Steel Rectangular Bar
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Approx. Price: Rs 220 / KgGet Latest Price

Product Details:

Surface FinishGalvanized
Usage/ApplicationIndustrial
ShapeRectangular
Single Piece Length3-6 meter
TechniqueHot Rolled
MaterialDie Steel
ThicknessUpto 5 mm

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OHNS Die Steel Round Bar

OHNS Die Steel Round Bar
  • OHNS Die Steel Round Bar
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Approx. Price: Rs 115 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
ShapeRound
Diameter1-2 inch
TechniqueHot Rolled
MaterialDie Steel
Single Piece Length3-6 meter

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Industrial Die Steel Flat Bar

Industrial Die Steel Flat Bar
  • Industrial Die Steel Flat Bar
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Approx. Price: Rs 220 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
ShapeFlat
TypeDie Steel Bar
Single Piece Length3-6 meter
TechniqueHot Rolled
MaterialDie Steel
ThicknessUpto 8 mm

To serve the requisite requirements of our precious customers, we are engaged in providing a qualitative range of Industrial Die Steel Flat Bar.

Features:
  • Robustness
  • High strength
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Die Steel Flat Bar

Die Steel Flat Bar
  • Die Steel Flat Bar
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Approx. Price: Rs 220 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
ShapeFlat
TypeDie Steel Bar
Single Piece Length3-6 meter
TechniqueHot Rolled
MaterialDie Steel
ThicknessUpto 8 mm

By leveraging upon our extensive market knowledge, we provide the best array of Die Steel Flat Bar.




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D2 Die Steel Round Bar

D2 Die Steel Round Bar
  • D2 Die Steel Round Bar
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Approx. Price: Rs 220 / KgGet Latest Price

Product Details:

Usage/ApplicationIndustrial
ShapeRound
Material GradeD2
Diameter1-2 inch
TechniqueHot Rolled
MaterialDie Steel
Single Piece Length3-6 meter

We have marked a dynamic position in the market by providing the finest quality range of D2 Die Steel Round Bar.


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OHNS Die Steel Flat Bar

OHNS Die Steel Flat Bar
  • OHNS Die Steel Flat Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Single Piece Length3-6 meter
Usage/ApplicationIndustrial
ShapeRectangular
Surface FinishGalvanized
MaterialDie Steel
Thickness/Diameter0-1 inch
TechniqueHot Rolled

Oil Hardening Non Shrinking Die Steel Blanking and stamping dies, Punches, Rotary shear blades, Thread cutting tools, Milling cutters, Reamers, Measuring tools, Gauging tools, Wood working tools, Broaches, Chasers. An ideal type oil-hardened steel which is economical and dependable for gauging, cutting and blanking tools as well as can be relied for hardness and good cutting performance. O1 Tool Steel is an electric-furnace melted, oil-hardened, non-shrinking, general-purpose tool steel. It is chemically composed of approximately 0.95 percent carbon, 1.1 percent manganese, 0.6 percent chromium, 0.6 percent tungsten and 0.1 percent vanadium. The hardening temperature of O1 tool steel is between 790 degrees Celsius and 820 degrees Celsius. Uses O1 Tool Steel is not easily abraded, has high surface hardness post tempering, does not deform during hardening and can be machined well. Further, it also has a low hardening temperature (and, therefore, can be heat treated in homes and shops), and does not lose shape during quenching. It is inexpensive and readily available. O1 Tool Steel is ideal for making tools and knives, as it can be easily sharpened. Strength and Hardness Strength of a metal determines the extent to which it may deform when load is applied on it. Strength can be measured based on various parameters, such as the maximum ability to take strain, resistance to wear and tear, impact handling, or how the material performs when subjected to frequently changing load conditions. Strength generally increases as the carbon and manganese content increases. Given the high percentage of both of those, O1 Tool Steel is strong. Hardness of a material indicates its resistance to get indented that is not temporary (i.e.; it persists even after the load conditions are removed, as opposed to the strength that is an indication of its performance only when the load is applied), and carbon is also the primary hardening element in steel. The Rockwell method measures the hardness of O1 Tool Steel to be in the range of 64 RC to 58 RC (this is the most commonly used measurement technique).

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.


Forming:

Bending, raising, drawing, rim rolling,
spinning and flow forming
56 - 62
Small coining dies 56 - 60
Guide bushes, ejector pins, high duty,
small/medium drills and taps Small gear wheels, pistons,nozzles,cams
58 - 60
 

The following table shows the physical properties of P20 tool steels:

Max Hardness60 - 64
Heat Resistance Low
Wear Resiatance Medium
Machinability Good
Deformation During Hardening Medium
Hardening Temperature 760 - 870 °C
Resistance to Decarburization Good
Micro Hardness 280 Vhn
Density 8670 kg/M3
Emissivity 0.8
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HCHCR Die Steel Round Bar

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

Product Details:

Usage/ApplicationIndustrial
ShapeRound
Diameter1-2 inch
MaterialDie Steel
Product TypeDie Steel Bar
TechniqueHot Rolled
Single Piece Length3-6 meter

High Carbon High Chromium Die Steel (HCHCR), Thread rolling dies, Hobs, Cold extrusion tools and dies, Punches, Draw plates and dies, Cutters, Measuring tools, Pressure casting moulds, Blanking, Reamer, Finishing rolls for tyre mills. This type of steel has high dimensional stability with added wear resistance coupled with excellent edge holding qualities. 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. This makes tools made with type D3 steel brittle during hardening. Type D2 steel is the most commonly used steel among the group D steels.

The other designations of D5 tool steels are:

  • ASTM A681
  • FED QQ-T-570
  • SAE J437
  • SAE J438
  • UNS T30405

Heat Treatment:
  • D5 steels should be preheated very slowly up to 815°C (1500°F), then temperature should be increased to 1009°C (1850°F) and held for 20 to 45 minutes.
  • Then they are air quenched.

Forging:
  • Forging of D5 steels can be done at 1065°C (1950°F) down to 1750°F
  • Do not forge below 926°C (1700°F).

Annealing:
  • Annealing of D5 steels should be done at 886°C (1627°F) followed by slow furnace cooling at 4°C (40°F) per hour or less.

Tempering:
  • D5 steels can be tempered at 204°C (400°F) for achieving Rockwell C hardness of 61 and at 537°C (1000°F) for a Rockwell C hardness of 54.

 

Chemical composition:

ElementMinMax
Carbon, C 1.40 1.60
Manganese, Mn 0.00 0.60
Silicon,Si 0.00 0.60
Nickel, Ni 0.00 0.30
Molybdenum, Mo 0.70 1.20
Chromium,Cr 11.00 13.00

Physical Properties:
Physical propertiesMetricImperial
Density 7.7 - 8.03 x 1000 kg/m3 0.278 - 0.290 lb/in3
Melting point 1426°C 2600°F

Mechanical Properties:
PropertiesMetricImperial
Poisson's ratio 0.27-0.30 0.27-0.30
Elastic modulus 190-210 GPa 27557-30457 ksi
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Die Steel Round Bar

Die Steel Round Bar
  • Die 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
ShapeRound
TechniqueHot Rolled

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Die Steel Square Bar

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

Product Details:

Size1x1 inch, 2x2 inch, etc
ShapeSquare
MaterialSteel
Single Piece Length3-6 meter
TechniqueHot Rolled
Usage/ApplicationIndustrial

Characteristics:
  • With good hardenability and abrasion resistance.
  • With high oxidation resistance, good corrosion protection after quenching and polishing and little deformation through heat treatment


Annealing:

  • Heat to 840-880°C, cool slowly.
  • This will produce a maximum Brinell hardness of 255.
  • To secure uniform softness.

Hardening:
  • Harden from a temperature of 1000-1040°C followed by oil, warm bath (500-550°C, cooling bath or air.
  • Hardness after quenching is 62-64 HRC.

Stress Relieving:
  • Stress relieving to remove machining stresses should be carried out by heating to 650-700°C, holding for one hour at heat, followed by air cooling.
  • This operation is performed to reduce distortion during heat treatment.

Tempering:
  • Tempering temperature: 150-550°C.

Chemical Composition:
PropertiesMetricImperial
Density 7.85 g/cc 0.284 lb/in3

Quenching Process:
Heat temperatureCoolingHardness HRC
Plan First-time preheat Second-time preheat Quenching temperature
500-600 820-860 980-1040 Oil cooling or air cooling 60-65
500-600 820-860 1060-1100 Oil cooling or air cooling 60-65

Tempering Process:
PlanTempering temperatureTimes of temperingHardness HRC
180-220 1 60-64
510-540 2 60-64

Forging:
ItemHeat temperatureStart-forging temperatureFinish-forging temperatureCooling
Steel ingot 1120-1160 1050-1090 ≥850 Annealing with red hot state
Steel billet 1120-1140 1050-1070 ≥850 Annealing with red hot state or slow cooling
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DB2 Die Steel Square Bar

DB2 Die Steel Square Bar
  • DB2 Die Steel Square Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Size1x1 inch,2x2 inch,etc
ShapeSquare
MaterialSteel
Material GradeDB2 Die Steel
Single Piece Length3-6 meter
TechniqueHot Rolled
Usage/ApplicationIndustrial

We are offering DB2 Die Steel Square Bar to our clients. 

Chemical composition:
ElementMinMax
Carbon, C0.500.60
Manganese, Mn0.500.80
Silicon,Si0.100.35
Nickel, Ni1.101.40
Sulfur, S-.--0.03
Phosphorous, P-.--0.03
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D4 Die Steel Round Bar

D4 Die Steel Round Bar
  • D4 Die Steel Round Bar
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Approx. Price: Rs 60 / KgGet Latest Price

Product Details:

Material GradeD3 Die Steel
Usage/ApplicationIndustrial
Single Piece Length3-6 meter
FinishPolished
Thickness/Diameter1-2 inch
MaterialSteel

Cold-work tool steels which include D2, D3, D4, D5, and D7 steels are high-carbon, high-chromium steels. Apart from D3 steel all group D steels have 1% Mo and are air hardened. Type D3 steel is oil-quenched; though small sections can be gas quenched after austenitization using vacuum. As a result, tools made with type D3 steel tend to be brittle during hardening. Type D2 steel is the most commonly used steel among the group D steels. The D3 steels contain 1.5 to 2.35% of carbon and 12% of chromium. The D3 tool steel should be cooled to room temperature and should be tempered immediately.


Equivalent metals of D4 steel are:

  • • AFNOR Z 200 C 12
  • • DIN 1.2080
  • • UNI X 21O Cr 13 KU
  • • JIS SKD1
  • • B.S. BD 3
  • • ASTM A681
  • • FED QQ-T-570
  • • SAE J437
  • • SAE J438
  • • UNS T30403Annealing


Product Details:

  • Annealing of D4 tool steel needs to be done in a controlled atmosphere furnace.
  • D3 tool steels should be heated thoroughly to 871°C (1600°F) and cooled slowly at a rate of not more than -6°C (20°F) per hour, until the furnace is black.
  • Then the material should be removed and air cooled.

Heat Treatment:
  • D4 tool steel requires hardening and tempering to achieve maximum properties.
  • For maximum accuracy, the parts of D4 tool steel should be stress relieved after roughing operations.
  • Stress should be relieved at 648°C (1200°F) for one hour and cooled slowly.

Stress-relieving:
  • After rough machining the tool should be heated through to 650°C (1200°F), holding time 2 hours.
  • Cool slowly to 500°C (930°F), then freely in air.

Hardening:
  • D4 tool steel should be heated properly since it is very sensitive to overheating and if not heated maximum hardness cannot be achieved.
  • The work should be directly placed in a furnace preheated to 954°C (1750°F) and soaked for 20-25 minutes, plus 5 minutes per inch of thickness, and then oil-quenched to harden it.

Chemical composition:
ElementMinMax
Carbon, C 1.90 2.20
Manganese, Mn 0.15 0.45
Silicon,Si 0.10 0.40
Molybdenum, Mo -- --
Chromium,Cr 11.00 12.00
W -- --
V -- --
Co -- --

The following table shows the thermal properties of D4 steels:

PropertiesConditions
T (ºC) Treatment
Thermal expansion 12 x 10-6/ºC 20-100 -

Physical Properties:
Physical propertiesMetricImperial
Density 7.7 x 1000 kg/m3 0.278 lb/in3
Melting point 1421°C 2590°F

The mechanical properties of D4 steels are tabulated below:

PropertiesMetricImperial
Izod impact unnotched 28.0 J 20.7 ft-lb
Poisson's ratio 0.27-0.30 0.27-0.30
Elastic modulus 190-210 GPa 27557-30457 ksi

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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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