90MnCrV8 Tool Die Steels to DIN 17350 (1980)

90MnCrV8 - Specification & Application

  • DIN 17350 (1980) - Tool Steels; Technical Conditions of Delivery
  • DIN EN ISO 4957 (1999) - Tool steels (ISO 4957:1999)

Tool steels (ISO 4957:1999)

Chemical composition(wt.%) of 90MnCrV8 grade: to DIN 17350 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.85 0.95
Si 0.10 0.40
Mn 1.90 2.10
P - 0.030
S - 0.030
Cr 0.20 0.50
Mo - -
V 0.05 0.15

90MnCrV8 - Detail

Tool steels (ISO 4957:1999)

Mechanical properties of grade 90MnCrV8 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)
576 (≥) 769 (≥) 41 21 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical properties of grade 90MnCrV8 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
339 (≥) 772 (≥) 43 42 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 311
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
666 991 271

Equivalent Products

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