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A790 S31803

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America ASTM A790S31803 无缝与焊接铁素体/奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A790S31803 / A790 S31803
Category Grade Standard Region/Area Standard Content
Metals A790 S31803 ASTM A790/A790M America 无缝与焊接铁素体/奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A790 S31803

Element Min Max Similar
Si - 1.0000 -
S - 0.0200 -
P - 0.0300 -
Ni 4.5000 6.5000 -
N 0.0800 0.2000 -
Mo 2.5000 3.5000 -
Mn - 2.0000 -
Cr 21.0000 23.0000 -
C - 0.0300 -

Mechanical Properties of steel grade A790 S31803

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)
888 (≥) 276 (≥) 34 34 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade A790 S31803

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 - -     0.33 -  
582 142 - 22.3 323   -  
853 - 22 32.2   213 143

Heat Treatment of steel grade A790 S31803

Heat treated : 1518°C - 1342°C

Technological Curves of steel grade A790 S31803

Cross Reference Table (Equivalent Grade) of A790 S31803

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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