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St 70-2 02

Germany DIN St70-202 Steel flat products; cold reduced sheet and strip; technical delivery conditions; general purpose structural steels and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: St70-202 / St 70-2 02
Category Grade Standard Region/Area Standard Content
Metals St 70-2 02 DIN 1623-2 Germany Steel flat products; cold reduced sheet and strip; technical delivery conditions; general purpose structural steels

Chemical composition(mass fraction)(wt.%) of the St 70-2 02

Element Min Max Similar
S - 0.0500 -
P - 0.0600 -
C - 0.5000 -

Mechanical Properties of steel grade St 70-2 02

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)
987 (≥) 583 (≥) 32 22 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade St 70-2 02

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
32 - -     0.31 -  
531 818 - 34.3 423   -  
734 - 41 42.2   133 132

Heat Treatment of steel grade St 70-2 02

Heat treated : 1568°C - 1735°C

Technological Curves of steel grade St 70-2 02

Cross Reference Table (Equivalent Grade) of St 70-2 02

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