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Grade Sn 38

India IS GradeSn38 Soft Solder - Specification and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GradeSn38 / Grade Sn 38
Category Grade Standard Region/Area Standard Content
Metals Grade Sn 38 IS 193 India Soft Solder - Specification

Chemical composition(mass fraction)(wt.%) of the Grade Sn 38

Element Min Max Similar
Zn - 0.0030 -
Sn 1.7500 2.2500 -
Sb - 0.0600 -
Pb - - -
Ni - 0.0020 -
Fe - 0.0200 -
Cu - 0.0500 -
Cd - 0.0050 -
Bi - 0.0500 -
As - 0.0150 -
Al - 0.0010 -
Ag - 0.0200 -

Mechanical Properties of steel grade Grade Sn 38

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)
911 (≥) 126 (≥) 24 43 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical Properties of steel grade Grade Sn 38

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
21 - -     0.42 -  
997 283 - 34.3 221   -  
398 - 24 44.2   333 112

Heat Treatment of steel grade Grade Sn 38

Heat treated : 1863°C - 1469°C

Technological Curves of steel grade Grade Sn 38

Cross Reference Table (Equivalent Grade) of Grade Sn 38

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