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

Datasheet for: Metals: ECu / ECu
Category Grade Standard Region/Area Standard Content
Metals ECu GB/T 3670 China 铜及铜合金焊条

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

Element Min Max Similar
Total Others - 0.4000 -
Total Each - 0.1000 -
Ti - - -
O - 0.1800 -
N - 0.0300 -
H - 0.0150 -
Fe - 0.2000 -
C - 0.1000 -

Mechanical Properties of steel grade ECu

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)
716 (≥) 247 (≥) 12 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade ECu

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 - -     0.41 -  
392 536 - 43.3 322   -  
321 - 43 24.2   344 111

Heat Treatment of steel grade ECu

Heat treated : 1671°C - 1827°C

Technological Curves of steel grade ECu

Cross Reference Table (Equivalent Grade) of ECu

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