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HSn70-1-0.01-0.04

China GB HSn70-1-0.01-0.04 加工铜及铜合金牌号和化学成分 and Mechanical Properties, Chemical Element, Cross Reference.

Category Grade Standard Region/Area Standard Content
Metals HSn70-1-0.01-0.04 GB/T 5231 China 加工铜及铜合金牌号和化学成分

Chemical composition(mass fraction)(wt.%) of the HSn70-1-0.01-0.04

Element Min Max Similar
Zn - - -
Sn 0.8000 1.3000 -
Pb - 0.0500 -
Others total - 0.3000 -
Ni 0.0500 1.0000 -
Mn 0.0200 2.0000 -
Fe - 0.1000 -
Cu 69.0000 71.0000 -
B 0.0015 0.0200 -
As 0.0300 0.0600 -

Mechanical Properties of steel grade HSn70-1-0.01-0.04

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)
811 (≥) 556 (≥) 23 42 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade HSn70-1-0.01-0.04

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
42 - -     0.34 -  
781 836 - 12.3 114   -  
675 - 14 34.2   114 124

Heat Treatment of steel grade HSn70-1-0.01-0.04

Heat treated : 1936°C - 1917°C

Technological Curves of steel grade HSn70-1-0.01-0.04

Cross Reference Table (Equivalent Grade) of HSn70-1-0.01-0.04

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