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B275 ZK60B

America ASTM B275ZK60B 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: B275ZK60B / B275 ZK60B
Category Grade Standard Region/Area Standard Content
Metals B275 ZK60B 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 ZK60B

Element Min Max Similar
Zr 0.4500 - -
Zn 4.8000 6.8000 -
Total Others - 0.3000 -
Mg - - -

Mechanical Properties of steel grade B275 ZK60B

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)
413 (≥) 921 (≥) 41 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade B275 ZK60B

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
11 - -     0.11 -  
846 722 - 42.3 424   -  
985 - 33 14.2   112 214

Heat Treatment of steel grade B275 ZK60B

Heat treated : 1426°C - 1777°C

Technological Curves of steel grade B275 ZK60B

Cross Reference Table (Equivalent Grade) of B275 ZK60B

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