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A511 29-4

America ASTM A51129-4 无缝不锈钢机械管 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: A51129-4 / A511 29-4
Category Grade Standard Region/Area Standard Content
Metals A511 29-4 ASTM A511/A511M America 无缝不锈钢机械管

Chemical composition(mass fraction)(wt.%) of the A511 29-4

Element Min Max Similar
Si - 0.2000 -
S - 0.0200 -
P - 0.0250 -
Ni - 0.1500 -
N - 0.0200 -
Mo 3.5000 4.2000 -
Mn - 0.3000 -
Cu - 0.1500 -
Cr 28.0000 30.0000 -
C - 0.0100 -

Mechanical Properties of steel grade A511 29-4

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)
942 (≥) 193 (≥) 42 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical Properties of steel grade A511 29-4

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 - -     0.43 -  
622 156 - 24.3 324   -  
536 - 22 41.2   113 444

Heat Treatment of steel grade A511 29-4

Heat treated : 1129°C - 1935°C

Technological Curves of steel grade A511 29-4

Cross Reference Table (Equivalent Grade) of A511 29-4

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