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Germany WL 1.0728 Ammunition steel - Non - alloy containing sulfur steel containing lead - 60S20 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.0728 / 1.0728
Category Grade Standard Region/Area Standard Content
Metals 1.0728 WL 1.0728 Germany Ammunition steel - Non - alloy containing sulfur steel containing lead - 60S20

Chemical composition(mass fraction)(wt.%) of the 1.0728

Element Min Max Similar
C 0.5700 0.6500 -
Mn 0.5000 0.9000 -
P - 0.0600 -
S 0.1500 0.2500 -
Si 0.1000 0.4000 -

Mechanical Properties of steel grade 1.0728

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)
682 (≥) 393 (≥) 14 42 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 411

Physical Properties of steel grade 1.0728

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 - -     0.43 -  
389 359 - 32.3 414   -  
831 - 24 14.2   221 314

Heat Treatment of steel grade 1.0728

Heat treated : 1129°C - 1457°C

Technological Curves of steel grade 1.0728

Cross Reference Table (Equivalent Grade) of 1.0728

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