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A312 Type 309S

America ASTM A312Type309S 无缝和焊接奥氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A312Type309S / A312 Type 309S
Category Grade Standard Region/Area Standard Content
Metals A312 Type 309S ASTM A312/A312M America 无缝和焊接奥氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A312 Type 309S

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0450 -
Ni 12.0000 15.0000 -
Mo - 0.7500 -
Mn - 2.0000 -
Cr 22.0000 24.0000 -
C - 0.0800 -

Mechanical Properties of steel grade A312 Type 309S

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)
147 (≥) 684 (≥) 42 24 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 313

Physical Properties of steel grade A312 Type 309S

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
44 - -     0.12 -  
128 898 - 43.3 132   -  
382 - 13 42.2   333 332

Heat Treatment of steel grade A312 Type 309S

Heat treated : 1555°C - 1212°C

Technological Curves of steel grade A312 Type 309S

Cross Reference Table (Equivalent Grade) of A312 Type 309S

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