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St370S

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QSt330S QSt370S
#St370S

Description

Austria ONORM St370S Austrian structural steel and St370S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: St370S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel St370S ONORM Austria Austrian structural steel
RC65
RC70
RC75
RC80
RC85
RC90
RC95
QSt290S
St330S
QSt330S

Chemical composition(mass fraction)(wt.%) of the St370S

C(％) Si(％) Mn(％) P(％) S(％)
0.17 0.1 0.30-0.60 0.04 0.040

Mechanical Properties of steel grade St370S

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)
612 (≥) 112 (≥) 43 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 433

Physical Properties of steel grade St370S

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
41 - -     0.11 -  
331 839 - 33.3 413   -  
725 - 34 42.2   211 341

Heat Treatment of steel grade St370S

Heat treated : 1617°C - 1762°C

Technological Curves of steel grade St370S

Cross Reference Table (Equivalent Grade) of St370S

Grade Standard Country Application
St370S ONORM Austria Austrian structural steel
QSt370S ONORM Austria Austrian structural steel
QSt330S QSt370S
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Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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