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SA-479 Type Alloy 20

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America ASME SA-479TypeAlloy20 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-479TypeAlloy20 / SA-479 Type Alloy 20
Category Grade Standard Region/Area Standard Content
Metals SA-479 Type Alloy 20 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 Alloy 20

Element Min Max Similar
C - 0.0300 -
Mn - 2.0000 -
P - 0.0400 -
S - 0.0300 -
Si - 1.0000 -
Ni 23.5000 25.5000 -
Cr 20.0000 22.0000 -
Mo 6.0000 7.0000 -
Cu - 0.7500 -
N 0.1800 0.2500 -

Mechanical Properties of steel grade SA-479 Type Alloy 20

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)
733 (≥) 163 (≥) 23 14 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 234

Physical Properties of steel grade SA-479 Type Alloy 20

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
22 - -     0.22 -  
769 321 - 42.3 311   -  
411 - 22 24.2   341 413

Heat Treatment of steel grade SA-479 Type Alloy 20

Heat treated : 1593°C - 1119°C

Technological Curves of steel grade SA-479 Type Alloy 20

Cross Reference Table (Equivalent Grade) of SA-479 Type Alloy 20

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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