C75W Tool Die Steels

C75W - Specification & Application

High carbon steel

Chemical composition(wt.%) of C75W grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.72 0.82
Si 0.15 0.40
Mn 0.60 0.80
P - 0.035
S - 0.035

C75W - Detail

High carbon steel

Mechanical properties of grade C75W

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
141 (≥) 882 (≥) 21 24 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical properties of grade C75W

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
297 (≥) 777 (≥) 23 21 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 143
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
465 635 764

Equivalent Grade

Equivalent Products

We can customize the production of C75W grade, contact us for the best solution.
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