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B275 512.0

America ASTM B275512.0 某些锻造和锻造有色金属及合金统一牌号编制标准惯例 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B275512.0 / B275 512.0
Category Grade Standard Region/Area Standard Content
Metals B275 512.0 ASTM B275 America 某些锻造和锻造有色金属及合金统一牌号编制标准惯例

Chemical composition(mass fraction)(wt.%) of the B275 512.0

Element Min Max Similar
Mn - 0.8000 -
Si 1.4000 2.2000 -
Cr - 0.2500 -
Cu - 0.3500 -
Ti - 0.2500 -
Al - - -
Zn - 0.3500 -
Mg 3.5000 4.5000 -
Fe - 0.6000 -
Others total - 0.0500 -
Total Others - 0.1500 -
Zn - 0.3500 -
Total Others - 0.1500 -
Total Each - 0.0500 -
Ti - 0.2500 -
Si 1.4000 2.2000 -
Mn - 0.8000 -
Mg 3.5000 4.5000 -
Fe - 0.6000 -
Cu - 0.3500 -
Cr - 0.2500 -
Al - - -

Mechanical Properties of steel grade B275 512.0

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)
911 (≥) 468 (≥) 44 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade B275 512.0

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 - -     0.44 -  
834 498 - 21.3 133   -  
363 - 44 33.2   411 321

Heat Treatment of steel grade B275 512.0

Heat treated : 1346°C - 1879°C

Technological Curves of steel grade B275 512.0

Cross Reference Table (Equivalent Grade) of B275 512.0

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