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Sn 20B Solder

Global 企业标准 Sn20BSolder and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: Sn20BSolder / Sn 20B Solder
Category Grade Standard Region/Area Standard Content
Metals Sn 20B Solder -- Global

Chemical composition(mass fraction)(wt.%) of the Sn 20B Solder

Element Min Max Similar
Zn - 0.0050 -
Sn - 20.0000 -
Sb 0.8000 1.2000 -
Pb 79.0000 - -
Fe - 0.0200 -
Cu - 0.0800 -
Bi - 0.2500 -
As - 0.0200 -
Al - 0.0050 -

Mechanical Properties of steel grade Sn 20B Solder

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)
252 (≥) 355 (≥) 33 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade Sn 20B Solder

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 - -     0.14 -  
715 885 - 24.3 432   -  
722 - 12 11.2   343 431

Heat Treatment of steel grade Sn 20B Solder

Heat treated : 1481°C - 1641°C

Technological Curves of steel grade Sn 20B Solder

Cross Reference Table (Equivalent Grade) of Sn 20B Solder

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