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England B.S. ZP2720 锌和锌合金-铸件-规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZP2720 / ZP2720
Category Grade Standard Region/Area Standard Content
Metals ZP2720 BS EN 12844 England 锌和锌合金-铸件-规范

Chemical composition(mass fraction)(wt.%) of the ZP2720

Element Min Max Similar
Zn - - -
Si - 0.0800 -
Ni - 0.0200 -
Fe - 0.1000 -
Sn - 0.0030 -
Cd - 0.0060 -
Pb - 0.0060 -
Mg 0.0100 0.0200 -
Cu 2.0000 2.5000 -
Al 25.0000 28.0000 -

Mechanical Properties of steel grade ZP2720

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)
926 (≥) 578 (≥) 33 12 34 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade ZP2720

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
22 - -     0.22 -  
323 663 - 12.3 431   -  
878 - 14 24.2   442 211

Heat Treatment of steel grade ZP2720

Heat treated : 1377°C - 1698°C

Technological Curves of steel grade ZP2720

Cross Reference Table (Equivalent Grade) of ZP2720

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