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A240 Type 429

America ASTM A240Type429 压力容器用耐热铬及铬镍不锈钢板、薄板及带材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A240Type429 / A240 Type 429
Category Grade Standard Region/Area Standard Content
Metals A240 Type 429 ASTM A240/A240M America 压力容器用耐热铬及铬镍不锈钢板、薄板及带材

Chemical composition(mass fraction)(wt.%) of the A240 Type 429

Element Min Max Similar

Mechanical Properties of steel grade A240 Type 429

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)
152 (≥) 518 (≥) 43 14 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade A240 Type 429

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 - -     0.44 -  
817 998 - 14.3 213   -  
755 - 43 12.2   232 111

Heat Treatment of steel grade A240 Type 429

Heat treated : 1165°C - 1674°C

Technological Curves of steel grade A240 Type 429

Cross Reference Table (Equivalent Grade) of A240 Type 429

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