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

W310 Special - 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 Special grade: to SAE J 437 (1970)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95 1.10
Si 0.10 0.40
Mn 0.10 0.40
Cr - -
V 0.35 0.50

W310 Special - Detail

Tool and die steels

Mechanical properties of grade W310 Special 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)
396 (≥) 471 (≥) 44 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 414

Physical properties of grade W310 Special 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
532 (≥) 224 (≥) 34 22 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
547 933 416

Equivalent Products

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