W209 Standard Tool Die Steels to SAE J 437 (1970)

W209 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 W209 Standard grade: to SAE J 437 (1970)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.85 0.95
Si - 0.35
Mn - 0.35
Cr - 0.15
V 0.15 0.35

W209 Standard - Detail

Tool and die steels

Mechanical properties of grade W209 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)
463 (≥) 759 (≥) 33 42 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical properties of grade W209 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
125 (≥) 299 (≥) 43 11 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 234
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
229 682 598

Equivalent Products

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