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America ASTM A705631 时效硬化的不锈和耐热钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A705631 / A705 631
Category Grade Standard Region/Area Standard Content
Metals A705 631 ASTM A705/A705M America 时效硬化的不锈和耐热钢锻件

Chemical composition(mass fraction)(wt.%) of the A705 631

Element Min Max Similar
C - 0.0900 -
Mn - 1.0000 -
P - 0.0400 -
S - 0.0300 -
Si - 1.0000 -
Ni 6.5000 7.7500 -
Cr 16.0000 18.0000 -
Al 0.7500 1.5000 -
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni 6.5000 7.7500 -
Mn - 1.0000 -
Cr 16.0000 18.0000 -
C - 0.0900 -
Al 0.7500 1.5000 -

Mechanical Properties of steel grade A705 631

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)
464 (≥) 762 (≥) 31 21 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade A705 631

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
12 - -     0.41 -  
481 116 - 11.3 431   -  
678 - 11 14.2   113 341

Heat Treatment of steel grade A705 631

Heat treated : 1257°C - 1944°C

Technological Curves of steel grade A705 631

Cross Reference Table (Equivalent Grade) of A705 631

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