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Germany DIN 1.7021 Bright steel made from steel for quenching and tempering; technical delivery conditions and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.7021 / 1.7021
Category Grade Standard Region/Area Standard Content
Metals 1.7021 DIN 1652-4 Germany Bright steel made from steel for quenching and tempering; technical delivery conditions

Chemical composition(mass fraction)(wt.%) of the 1.7021

Element Min Max Similar

Mechanical Properties of steel grade 1.7021

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)
394 (≥) 126 (≥) 31 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade 1.7021

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
14 - -     0.22 -  
477 549 - 21.3 432   -  
557 - 44 14.2   112 441

Heat Treatment of steel grade 1.7021

Heat treated : 1935°C - 1394°C

Technological Curves of steel grade 1.7021

Cross Reference Table (Equivalent Grade) of 1.7021

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