W310 Standard Tool Die Steels to SAE J 437 (1970)

W310 Standard - Specification & Application

  • SAE J 437 (1970) - Selection and heat treatment of tool and die steels
  • SAE J 438 (1970) - Tool and die steels

Tool and die steels

Chemical composition(wt.%) of W310 Standard grade: to SAE J 437 (1970)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95 1.10
Si - 0.35
Mn - 0.35
Cr - 0.15
V 0.35 0.50

W310 Standard - Detail

Tool and die steels

Mechanical properties of grade W310 Standard SAE J 437 (1970)

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)
936 (≥) 696 (≥) 42 11 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade W310 Standard SAE J 437 (1970)

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
274 (≥) 495 (≥) 33 33 44 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
478 668 647

Equivalent Products

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