P. B. International
P. B. International
Mumbai, Maharashtra
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Cold Work Tool Steel

Leading Manufacturer of ohns- oil hardened steel bars, hchcr d3 steels, d2 1.2379 cold work tool steel, a2 tool steel, air hardening tool steel and wps d2/d3 cold working tool steel from Mumbai.

OHNS- Oil Hardened Steel Bars

OHNS- Oil Hardened Steel Bars
  • OHNS- Oil Hardened Steel Bars
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Approx. Price: Rs 70 / KilogramGet Latest Price

Product Details:

Thickness/Diameter2-3 inch, 3-4 inch, >4 inch, 0-1 inch, 1-2 inch
Single Piece Length6 meter, 3 meter
Sheets Thickness1 mm to 13 mm
Plates - Thickness16 mm to 300 mm
Rounds Diameter 5 mm to 600 mm
Density 7.85 g/cm3
Ha rdness 65 HRC

O1 tool steel - This grade is an oil hardening tool steel type supplied in the annealed condition. O1 tool steel offers good durability, gives excellent wear resistance and holds a good cutting edge. With these properties it is an excellent general purpose tool steel often used where the expense of a high carbon high chromium tool steel would not be justified.
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HCHCR D3 Steels

HCHCR D3 Steels
  • HCHCR D3 Steels
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Approx. Price: Rs 135 / KilogramGet Latest Price

Product Details:

ApplicationForming Dies, Heavy duty blanking, punches, chisels, shear blades, slittler knives, cold striking dies, cold extrusion tools, coining dies, master hobs.
Ha rdness55 HRC
Density 7.89 g/cm 3
Rounds Diameter 5mm to 300 mm

Chemical Composition

The following table shows the chemical composition of D3 tool steels.

ElementContent (%)
C2.00-2.35
Mn0.60
Si0.60
Cr11.00–13.50
Ni0.30
W1.00
V1.00
P0.03
S0.03
Cu0.25
Physical Properties

Physical properties of D3 tool steels are given below:

PropertiesMetricImperial
Density7.7 x 1000 kg/m30.278 lb/in3
Melting point1421°C2590°F
Mechanical Properties

The mechanical properties of D3 steels are tabulated below:

PropertiesMetricImperial
Izod impact unnotched28.0 J20.7 ft-lb
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi
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D2 1.2379 Cold Work Tool Steel

D2 1.2379 Cold Work Tool Steel
  • D2 1.2379 Cold Work Tool Steel
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Approx. Price: Rs 180 / KilogramGet Latest Price

Product Details:

ApplicationAutomobile Industry, Oil & Gas Industry, Pharmaceutical / Chemical Industry

DIN 2379HCHCR-D2AISI D2AFNOR Z160CDV12X153CrMoV12
C 1.54Si 0.32Mn 0.34Cr 12.00Mo 0.76V 0.91

Din 2379 Consolidates maximum wear resistance, great durability, exceptional front line maintenance and treating resistance 12 % ledeburitic chromium steel. It can be nitrided after special heat treatment. It can be utilized as threading rolls and dies, icy trimming, cutting and stamping tools for sheet thickness's up to 6 mm, accuracy cutting instruments for sheet thicknesses up to 12 mm.

Steel Properties

DIN 2379 steel is Cold Work Steel with High Carbon High Chromium contents. The Quality with high wear resistant and toughness properties due to Vanadium addition of 0.90% . Normally it supply condition is an Annealed and will offer hardness to reach 57-59 HRC. It can be machinable in the annealed condition.DIN 2379 is the superior steels than D3 due to high alloys properties.

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A2 Tool Steel

A2 Tool Steel
  • A2 Tool Steel
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Approx. Price: Rs 300 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity100 Kilogram
ApplicationPharmaceutical / Chemical Industry, Oil & Gas Industry, Automobile Industry

Chemical Composition

The chemical composition of A2 tool steels is outlined in the following table.

ElementContent (%)
C0.95-1.05
Mn1
Si0.5
Cr4.75-5.50
Ni0.3
Mo0.90-1.40
V0.15-0.50
Cu0.25
P0.03
S0.03
Physical Properties

The following table shows the physical properties of A2 tool steels.

PropertiesMetricImperial
Density7.86 g/cm30.284 lb/in3
Melting point1424°C2595°F
Mechanical Properties

The mechanical properties of A2 tool steels are displayed in the following table.

PropertiesMetricImperial
Hardness, Rockwell C (as air-hardened (63-65 HRC average), 60-62 HRC at 205°C, 59-61 HRC at 260°C, 58-60 HRC at 315°C, 57-59 HRC at 370°C and 425°C and 480°C, 56-58 HRC at 540°C, 50-52 HRC at 595°C, 42-44 HRC at 650°C)6464
Bulk modulus (typical for steels)140 GPa20300 ksi
Machinability (based on carbon tool steel)65%65%
Shear modulus78.0 GPa11300 ksi
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi
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Air Hardening Tool Steel

Air Hardening Tool Steel
  • Air Hardening Tool Steel
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Approx. Price: Rs 300 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity5000 Kilogram
Hardness60 HRC
ApplicationDrill Bushings,Knurling tools,Blanking & Forming Dies,Shear Blades,Master Dies,Gauges.
Density7.78 g/cm 3

Chemical Composition:
ElementContent (%)
C0.45-0.55
Mn0.5
Si0.95-1.15
Cr4.75-5.50
Ni1.25-1.75
Mo1.30-1.80
V0.80-1.40
Cu0.25
P0.03
S0.03
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WPS D2/D3 Cold Working Tool Steel

WPS D2/D3 Cold Working Tool Steel
  • WPS D2/D3 Cold Working Tool Steel
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Approx. Price: Rs 160 / KilogramGet Latest Price

Product Details:

Minimum Order Quantity1000 Kilogram
ApplicationPharmaceutical / Chemical Industry, Automobile Industry, Oil & Gas Industry

WPS D2 / D3 COLD WORKING TOOL STEEL BARS- FLATS & ROUNDS & PLATES

The blanking and forming of materials in cold condition is done in many different application such as; shearing, punching, cold forging, drawing, cold extrusion, rolling and powder pressing.

 

All applications include high mechanical forces and sliding contact between the tool surface and the work material. There are high demands on tool hardness to give wear resistance and resistance to plastic deformation. In order to improve the wear resistance further some of the cold work steel grades are highly alloyed giving hard particles (carbides) in the matrix. The combination of high hardness and hard carbides is however also impairing the machinability.

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Krushant Shah (Proprietor)
Parekh Building, Out House, Ground Floor, Office No. 4, 18, Mama Parmanand Marg, Charni Road
Mumbai- 400004, Maharashtra, India



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