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A494 M30H

America ASTM A494M30H 镍和镍合金的铸件标准规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A494M30H / A494 M30H
Category Grade Standard Region/Area Standard Content
Metals A494 M30H ASTM A494/A494M America 镍和镍合金的铸件标准规范

Chemical composition(mass fraction)(wt.%) of the A494 M30H

Element Min Max Similar

Mechanical Properties of steel grade A494 M30H

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)
492 (≥) 297 (≥) 23 34 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical Properties of steel grade A494 M30H

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
31 - -     0.11 -  
181 446 - 11.3 443   -  
769 - 34 43.2   242 434

Heat Treatment of steel grade A494 M30H

Heat treated : 1546°C - 1944°C

Technological Curves of steel grade A494 M30H

Cross Reference Table (Equivalent Grade) of A494 M30H

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