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

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

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

Element Min Max Similar

Mechanical Properties of steel grade TCuSnB

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)
512 (≥) 373 (≥) 22 23 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 111

Physical Properties of steel grade TCuSnB

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
34 - -     0.31 -  
112 521 - 32.3 314   -  
484 - 11 43.2   323 324

Heat Treatment of steel grade TCuSnB

Heat treated : 1175°C - 1381°C

Technological Curves of steel grade TCuSnB

Cross Reference Table (Equivalent Grade) of TCuSnB

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