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Germany DIN 2.3440 Soft solders and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 2.3440 / 2.3440
Category Grade Standard Region/Area Standard Content
Metals 2.3440 DIN 1707 Germany Soft solders

Chemical composition(mass fraction)(wt.%) of the 2.3440

Element Min Max Similar
Sn 39.5000 40.5000 -
Sb 0.1200 0.5000 -
Pb - - -
Fe - 0.0200 -
Cu - 0.0800 -
Bi - 0.2500 -
As - 0.0200 -
Al+Cd+Zn - 0.0050 -

Mechanical Properties of steel grade 2.3440

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)
291 (≥) 958 (≥) 42 32 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 2.3440

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
12 - -     0.13 -  
312 538 - 13.3 244   -  
665 - 12 13.2   313 424

Heat Treatment of steel grade 2.3440

Heat treated : 1161°C - 1622°C

Technological Curves of steel grade 2.3440

Cross Reference Table (Equivalent Grade) of 2.3440

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