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SA-479 Type 904L

America ASME SA-479Type904L 锅炉和其他压力容器用不锈钢棒材和型材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SA-479Type904L / SA-479 Type 904L
Category Grade Standard Region/Area Standard Content
Metals SA-479 Type 904L ASME SA-479/SA-479M America 锅炉和其他压力容器用不锈钢棒材和型材

Chemical composition(mass fraction)(wt.%) of the SA-479 Type 904L

Element Min Max Similar
C - 0.0200 -
Mn - 2.0000 -
P - 0.0450 -
S - 0.0350 -
Si - 1.0000 -
Ni 23.0000 28.0000 -
Cr 19.0000 23.0000 -
Mo 4.0000 5.0000 -
Cu 1.0000 2.0000 -
N - 0.1000 -

Mechanical Properties of steel grade SA-479 Type 904L

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)
987 (≥) 522 (≥) 42 13 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade SA-479 Type 904L

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
34 - -     0.14 -  
279 939 - 22.3 431   -  
596 - 21 14.2   421 224

Heat Treatment of steel grade SA-479 Type 904L

Heat treated : 1781°C - 1397°C

Technological Curves of steel grade SA-479 Type 904L

Cross Reference Table (Equivalent Grade) of SA-479 Type 904L

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