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)
121 (≥) 475 (≥) 12 24 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

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
629 (≥) 443 (≥) 34 32 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 211
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
255 957 295

Equivalent Grade

Equivalent Products

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