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A269 S31730

America ASTM A269S31730 一般设备用无缝和焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A269S31730 / A269 S31730
Category Grade Standard Region/Area Standard Content
Metals A269 S31730 ASTM A269/A269M America 一般设备用无缝和焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A269 S31730

Element Min Max Similar
C - 0.0300 -
Mn - 2.0000 -
P - 0.0400 -
S - 0.0100 -
Si - 1.0000 -
Ni 15.0000 16.5000 -
Cr 17.0000 19.0000 -
Mo 3.0000 4.0000 -
Cu 4.0000 5.0000 -
N - 0.4500 -

Mechanical Properties of steel grade A269 S31730

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)
139 (≥) 586 (≥) 43 32 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade A269 S31730

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 - -     0.23 -  
811 159 - 12.3 144   -  
535 - 13 11.2   443 431

Heat Treatment of steel grade A269 S31730

Heat treated : 1186°C - 1677°C

Technological Curves of steel grade A269 S31730

Cross Reference Table (Equivalent Grade) of A269 S31730

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