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A240 309S

America ASTM A240309S 压力容器用耐热铬和铬镍不锈钢厚板、薄板和带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A240309S / A240 309S
Category Grade Standard Region/Area Standard Content
Metals A240 309S ASTM A240/A240M America 压力容器用耐热铬和铬镍不锈钢厚板、薄板和带

Chemical composition(mass fraction)(wt.%) of the A240 309S

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

Mechanical Properties of steel grade A240 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)
389 (≥) 572 (≥) 11 13 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 442

Physical Properties of steel grade A240 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
31 - -     0.42 -  
195 293 - 42.3 333   -  
122 - 43 31.2   114 223

Heat Treatment of steel grade A240 309S

Heat treated : 1526°C - 1471°C

Technological Curves of steel grade A240 309S

Cross Reference Table (Equivalent Grade) of A240 309S

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