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QStE 550 TM

Germany SEW QStE550TM 冷成型用高屈服强度钢制热轧板材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: QStE550TM / QStE 550 TM
Category Grade Standard Region/Area Standard Content
Metals QStE 550 TM SEW 092 Germany 冷成型用高屈服强度钢制热轧板材

Chemical composition(mass fraction)(wt.%) of the QStE 550 TM

Element Min Max Similar

Mechanical Properties of steel grade QStE 550 TM

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)
571 (≥) 728 (≥) 12 31 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade QStE 550 TM

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
23 - -     0.11 -  
542 814 - 14.3 411   -  
411 - 33 31.2   233 441

Heat Treatment of steel grade QStE 550 TM

Heat treated : 1628°C - 1846°C

Technological Curves of steel grade QStE 550 TM

Cross Reference Table (Equivalent Grade) of QStE 550 TM

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