31CrV3 Tool Die Steels to DIN 17350 (1980)

31CrV3 - Specification & Application

  • DIN 17350 (1980) - Tool Steels; Technical Conditions of Delivery

Tool Steels; Technical Conditions of Delivery

Chemical composition(wt.%) of 31CrV3 grade: to DIN 17350 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.28 0.35
Si 0.25 0.40
Mn 0.40 0.60
P - 0.030
S - 0.030
Cr 0.40 0.70
Mo - -
V 0.07 0.12

31CrV3 - Detail

Tool Steels; Technical Conditions of Delivery

Mechanical properties of grade 31CrV3 DIN 17350 (1980)

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)
872 (≥) 621 (≥) 41 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 124

Physical properties of grade 31CrV3 DIN 17350 (1980)

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
746 (≥) 266 (≥) 23 23 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 444
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
433 474 993

Equivalent Grade

Equivalent Products

We can customize the production of 31CrV3 grade, contact us for the best solution.
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