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China GB ECuNi-B 铜及铜合金焊条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ECuNi-B / ECuNi-B
Category Grade Standard Region/Area Standard Content
Metals ECuNi-B GB/T 34670 China 铜及铜合金焊条

Chemical composition(mass fraction)(wt.%) of the ECuNi-B

Element Min Max Similar

Mechanical Properties of steel grade ECuNi-B

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)
233 (≥) 357 (≥) 43 21 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 244

Physical Properties of steel grade ECuNi-B

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
41 - -     0.32 -  
148 842 - 42.3 434   -  
196 - 22 31.2   231 233

Heat Treatment of steel grade ECuNi-B

Heat treated : 1814°C - 1512°C

Technological Curves of steel grade ECuNi-B

Cross Reference Table (Equivalent Grade) of ECuNi-B

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