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A479 Type 904L

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America ASTM A479Type904L 锅炉及压力容器用不锈钢和耐热钢棒与型材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A479Type904L / A479 Type 904L
Category Grade Standard Region/Area Standard Content
Metals A479 Type 904L ASTM A479/A479M America 锅炉及压力容器用不锈钢和耐热钢棒与型材

Chemical composition(mass fraction)(wt.%) of the A479 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 A479 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)
312 (≥) 534 (≥) 32 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 413

Physical Properties of steel grade A479 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
33 - -     0.23 -  
177 939 - 14.3 434   -  
365 - 21 23.2   111 131

Heat Treatment of steel grade A479 Type 904L

Heat treated : 1449°C - 1896°C

Technological Curves of steel grade A479 Type 904L

Cross Reference Table (Equivalent Grade) of A479 Type 904L

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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