W5 Tool Die Steels to ASTM A686-1999

W5 - Specification & Application

  • ASTM A686-1999 - Carbon tool steel

Carbon tool steel

Chemical composition(wt.%) of W5 grade: to ASTM A686-1999

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.05 1.15
Si 0.10 0.40
Mn 0.10 0.40
P - 0.030
S - 0.030
Cr 0.40 0.60
V - 0.10
Ni - 0.20
Cu - 0.20
W - 0.15
Mo - 0.10

W5 - Detail

W5

Mechanical properties of grade W5 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)
878 (≥) 766 (≥) 23 13 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 233

Physical properties of grade W5 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
436 (≥) 927 (≥) 33 22 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 114
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
243 552 235

Equivalent Products

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