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SB-221 7129

America ASME SB-2217129 铝及铝合金挤压制条、棒、线、管和型材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SB-2217129 / SB-221 7129
Category Grade Standard Region/Area Standard Content
Metals SB-221 7129 ASME SB-221 America 铝及铝合金挤压制条、棒、线、管和型材

Chemical composition(mass fraction)(wt.%) of the SB-221 7129

Element Min Max Similar
Zn 4.2000 5.2000 -
V - 0.0500 -
Ti - 0.0500 -
Si - 0.1500 -
Others Total - 0.1500 -
Others each - 0.0500 -
Mn - 0.1000 -
Mg 1.3000 2.0000 -
Fe - 0.3000 -
Cu 0.5000 0.9000 -
Cr - 0.1000 -
Al - - -

Mechanical Properties of steel grade SB-221 7129

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)
299 (≥) 541 (≥) 41 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade SB-221 7129

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
43 - -     0.23 -  
441 564 - 41.3 244   -  
111 - 24 34.2   221 144

Heat Treatment of steel grade SB-221 7129

Heat treated : 1214°C - 1359°C

Technological Curves of steel grade SB-221 7129

Cross Reference Table (Equivalent Grade) of SB-221 7129

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