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B907 Sn/Zn 91

America ASTM B907Sn/Zn91 锌,锡和镉基焊料规范 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: B907Sn/Zn91 / B907 Sn/Zn 91
Category Grade Standard Region/Area Standard Content
Metals B907 Sn/Zn 91 ASTM B907 America 锌,锡和镉基焊料规范

Chemical composition(mass fraction)(wt.%) of the B907 Sn/Zn 91

Element Min Max Similar

Mechanical Properties of steel grade B907 Sn/Zn 91

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)
395 (≥) 987 (≥) 11 31 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical Properties of steel grade B907 Sn/Zn 91

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
42 - -     0.12 -  
299 685 - 33.3 443   -  
632 - 12 44.2   212 443

Heat Treatment of steel grade B907 Sn/Zn 91

Heat treated : 1135°C - 1611°C

Technological Curves of steel grade B907 Sn/Zn 91

Cross Reference Table (Equivalent Grade) of B907 Sn/Zn 91

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