Key Specifications/Special Features:
Description
Low alloyed cold working tool steel
Applications
For high pressures. Heavy-duty tools for cold forging like dies, plates, punches, stamps.
Chemical composition (in weight%)
C: 0.75
Si: 0.23
Mn: 0.25
Cr: 1.50
W: 0.30
Mo: 0.07
Ni: 0.50
Physical properties (average values) at ambient temperature
Modulus of elasticity [103xN/mm2]: 210
Density [g/cm3]: 7.88
Soft Annealing
Heat to 710-750ºC, cool slowly. This will produce a maximum Brinell hardness of 210.
Hardening
Harden from a temperature of 870-900ºC, followed by oil quenching. Hardness after quenching is 63 HRC.
Tempering
Tempering temperature: 130-300ºC.
Forging
Hot forming temperature: 1050-850ºC.
Specifications:
Grade: DIN 75CrMoNiW6-7
Standard: DIN, GB
Diameter: 50-500mm
Certification: ISO
Technical treatment: cold-rolled and hot rolled
Packing and delivery
Packing: standard export seaworthy package or as customers' requirements.
Delivery: 7-20 days after received deposit of T/T.
| C |
Mn |
Si |
P |
S |
Cr |
Ni |
Mo |
| 0.03 |
0.5 |
0.5 |
0.02 |
0.005 |
11.5~13.5 |
4.5~6.5 |
1.5~3.5 |
Mechanical behavior
State: hardening and tempering state. The supply status is typically 95 or 110 ksi, 0.2% yield strength
Extreme tensile strength: 115 ksi or more (792N / mm2)
0.2% Yield point: 110 ksi or more (758 N / mm2)
Elongation: 15%
V-notch impact strength (-10 ° C): 78 Joules (60ft-lbf)
Hardness: 33%
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