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America ASTM A681D7 Tool Steels Alloy and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A681D7 / A681 D7
Category Grade Standard Region/Area Standard Content
Metals A681 D7 ASTM A681 America Tool Steels Alloy

Chemical composition(mass fraction)(wt.%) of the A681 D7

Element Min Max Similar

Mechanical Properties of steel grade A681 D7

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
438 (≥) 834 (≥) 43 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 223

Physical Properties of steel grade A681 D7

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
42 - -     0.24 -  
234 476 - 31.3 141   -  
213 - 24 12.2   441 344

Heat Treatment of steel grade A681 D7

Heat treated : 1354°C - 1337°C

Technological Curves of steel grade A681 D7

Cross Reference Table (Equivalent Grade) of A681 D7

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