A11 Tool Die Steels

A11 - Specification & Application

Cold-Work Tool Steel (A-11)

Chemical composition(wt.%) of A11 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 2.40 2.50
Si 0.75 1.10
Mn 0.35 0.60
Cr 4.75 5.50
Mo 1.10 1.50
V 9.25 10.25
W 0.50 -
S 0.05 0.09

A11 - Detail

Cold-Work Tool Steel (A-11)

Mechanical properties of grade A11

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)
338 (≥) 977 (≥) 43 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 421

Physical properties of grade A11

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
372 (≥) 285 (≥) 32 33 12 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
139 788 923

Equivalent Grade

Equivalent Products

We can customize the production of A11 grade, contact us for the best solution.
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