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Germany DIN ZSt70-2 Bright steel made from structural steel; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: ZSt70-2 / ZSt 70-2
Category Grade Standard Region/Area Standard Content
Metals ZSt 70-2 DIN 1652-2 Germany Bright steel made from structural steel; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the ZSt 70-2

Element Min Max Similar

Mechanical Properties of steel grade ZSt 70-2

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)
213 (≥) 766 (≥) 21 34 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 113

Physical Properties of steel grade ZSt 70-2

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
24 - -     0.24 -  
473 437 - 41.3 323   -  
377 - 22 14.2   221 342

Heat Treatment of steel grade ZSt 70-2

Heat treated : 1928°C - 1526°C

Technological Curves of steel grade ZSt 70-2

Cross Reference Table (Equivalent Grade) of ZSt 70-2

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