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B275 707.1

America ASTM B275707.1 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: B275707.1 / B275 707.1
Category Grade Standard Region/Area Standard Content
Metals B275 707.1 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 707.1

Element Min Max Similar
Mn 0.4000 0.6000 -
Si - 0.2000 -
Cr 0.2000 0.4000 -
Cu - 0.2000 -
Ti - 0.2500 -
Al - - -
Zn 4.0000 4.5000 -
Mg 1.9000 2.4000 -
Fe - 0.6000 -
Others total - 0.0500 -
Total Others - 0.1500 -
Zn 4.0000 4.5000 -
Total Others - 0.1500 -
Total Each - 0.0500 -
Ti - 0.2500 -
Si - 0.2000 -
Mn 0.4000 0.6000 -
Mg 1.9000 2.4000 -
Fe - 0.6000 -
Cu - 0.2000 -
Cr 0.2000 0.4000 -
Al - - -

Mechanical Properties of steel grade B275 707.1

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)
155 (≥) 871 (≥) 42 21 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade B275 707.1

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 - -     0.32 -  
686 416 - 43.3 322   -  
899 - 23 43.2   233 234

Heat Treatment of steel grade B275 707.1

Heat treated : 1574°C - 1746°C

Technological Curves of steel grade B275 707.1

Cross Reference Table (Equivalent Grade) of B275 707.1

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