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China GB MX215 银、银合金/铜、铜合金复合带材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: MX215 / MX215
Category Grade Standard Region/Area Standard Content
Metals MX215 GB/T 26330 China 银、银合金/铜、铜合金复合带材

Chemical composition(mass fraction)(wt.%) of the MX215

Element Min Max Similar
Sn 4.5000 5.7000 -
Pb - 0.0500 -
Ni 20.0000 22.0000 -
Mn - 0.6000 -
Fe - 0.6000 -
Cu - - -

Mechanical Properties of steel grade MX215

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)
496 (≥) 648 (≥) 44 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 343

Physical Properties of steel grade MX215

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
23 - -     0.23 -  
474 737 - 23.3 224   -  
214 - 21 12.2   433 333

Heat Treatment of steel grade MX215

Heat treated : 1338°C - 1139°C

Technological Curves of steel grade MX215

Cross Reference Table (Equivalent Grade) of MX215

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