W108 Standard - Tool Steels & Die Steels and Cemented Carbide - Specific Steel

e.g.17-4PH, PH13-8Mo, 422

W108 Standard Tool Die Steels to SAE J 437 (1970)

W108 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 W108 Standard grade: to SAE J 437 (1970)

Elements	Min.（≥）	Max.（≤）	Similar	Remarks
C	0.75	0.85
Si	-	0.35
Mn	-	0.35
Cr	-	0.15
V	-	-

W108 Standard - Detail

Tool and die steels

Mechanical properties of grade W108 Standard SAE J 437 (1970)

Proof strength R_p0.2 (MPa)	Tensile strength R_m (MPa)	Impact energy KV (J)	Elongation at fracture A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
555 (≥)	935 (≥)	13	12	44	Solution and Aging, Annealing, Ausaging, Q+T,etc	421

Physical properties of grade W108 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
495 (≥)	869 (≥)	22	14	33	Solution and Aging, Annealing, Ausaging, Q+T,etc	314
Temp. °C/°F	Creep strain limit (10000h) (Rp1,0) N/mm2	Creep rupture strength (10000h) (Rp1,0) N/mm2
338	767	145

Equivalent Grade

1 W108 Commerial 2 W108 Standard 3 W108 Extra 4 W108 Special

Equivalent Products

Product shapes we supply:

We can customize the production of W108 Standard grade, contact us for the best solution.
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