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America ASME ERCuSn-C Specification for copper and copper-alloy bare welding rods and electrodes and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ERCuSn-C / ERCuSn-C
Category Grade Standard Region/Area Standard Content
Metals ERCuSn-C ASME SFA-5.7/SFA-5.7M America Specification for copper and copper-alloy bare welding rods and electrodes

Chemical composition(mass fraction)(wt.%) of the ERCuSn-C

Element Min Max Similar
P 0.1000 0.3500 -
Cu - - -
Al - 0.0100 -
Zn - 0.2000 -
Sn 7.0000 9.0000 -
Fe - 0.1000 -
Pb - 0.0200 -
Others total - 0.5000 -

Mechanical Properties of steel grade ERCuSn-C

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)
573 (≥) 499 (≥) 41 41 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 444

Physical Properties of steel grade ERCuSn-C

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 - -     0.44 -  
618 784 - 42.3 133   -  
235 - 24 22.2   141 422

Heat Treatment of steel grade ERCuSn-C

Heat treated : 1878°C - 1722°C

Technological Curves of steel grade ERCuSn-C

Cross Reference Table (Equivalent Grade) of ERCuSn-C

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