W1-A Tool Die Steels to ASTM A686-1999

W1-A - Specification & Application

  • ASTM A686-1999 - Carbon tool steel

Carbon tool steel

Chemical composition(wt.%) of W1-A grade: to ASTM A686-1999

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.80 0.90
Si 0.10 0.40
Mn 0.10 0.40
P - 0.030
S - 0.030
Cr - 0.15
V - 0.10
Ni - 0.20
Cu - 0.20
W - 0.15
Mo - 0.10

W1-A - Detail

Carbon tool steel

Mechanical properties of grade W1-A ASTM A686-1999

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)
364 (≥) 728 (≥) 23 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 123

Physical properties of grade W1-A ASTM A686-1999

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
165 (≥) 816 (≥) 42 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 241
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
968 761 278

Equivalent Grade

Equivalent Products

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