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QSt290S

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RC95 St330S
#QSt290S

Description

Austria ONORM QSt290S Austrian structural steel and QSt290S Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Structure Steel: QSt290S
Category Type Steel Grade Standard Country Application
Steel GradesStructure Steel QSt290S ONORM Austria Austrian structural steel
RC50
RC55
RC60
RC65
RC70
RC75
RC80
RC85
RC90
RC95

Chemical composition(mass fraction)(wt.%) of the QSt290S

C(％) Si(％) Mn(％) P(％) S(％)
0.06 0.1 0.20-0.40 0.04 0.04

Mechanical Properties of steel grade QSt290S

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)
584 (≥) 917 (≥) 33 12 31 Solution and Aging, Annealing, Ausaging, Q+T,etc 241

Physical Properties of steel grade QSt290S

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
21 - -     0.21 -  
127 862 - 31.3 124   -  
431 - 44 24.2   132 132

Heat Treatment of steel grade QSt290S

Heat treated : 1147°C - 1597°C

Technological Curves of steel grade QSt290S

Cross Reference Table (Equivalent Grade) of QSt290S

Grade Standard Country Application
QSt290S ONORM Austria Austrian structural steel
RC95 St330S
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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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