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A268 Type 405

America ASTM A268Type405 一般设备用无缝和焊接铁素体与马氏体不锈钢管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A268Type405 / A268 Type 405
Category Grade Standard Region/Area Standard Content
Metals A268 Type 405 ASTM A268/A268M America 一般设备用无缝和焊接铁素体与马氏体不锈钢管

Chemical composition(mass fraction)(wt.%) of the A268 Type 405

Element Min Max Similar
Si - 1.0000 -
S - 0.0300 -
P - 0.0400 -
Ni - 0.5000 -
Mn - 1.0000 -
Cr 11.5000 14.5000 -
C - 0.0800 -
Al 0.1000 0.3000 -

Mechanical Properties of steel grade A268 Type 405

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)
569 (≥) 115 (≥) 31 24 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade A268 Type 405

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
41 - -     0.14 -  
954 411 - 34.3 221   -  
432 - 13 24.2   343 244

Heat Treatment of steel grade A268 Type 405

Heat treated : 1324°C - 1942°C

Technological Curves of steel grade A268 Type 405

Cross Reference Table (Equivalent Grade) of A268 Type 405

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