45WCrV7 Tool Die Steels

45WCrV7 - Specification & Application

Alloyed WCrV steel

Chemical composition(wt.%) of 45WCrV7 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.40 0.50
Si 0.80 1.10
Mn 0.20 0.40
P - 0.035
S - 0.035
Cr 0.90 1.20
Mo - -
V 0.15 0.20
W 1.80 2.10

45WCrV7 - Detail

Alloyed WCrV steel

Mechanical properties of grade 45WCrV7

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)
196 (≥) 313 (≥) 33 12 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade 45WCrV7

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
953 (≥) 228 (≥) 22 44 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 224
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
435 615 847

Equivalent Products

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