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QSt290S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of QSt290S

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ONORM QSt290S

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This page is mainly introduced the QSt290S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of QSt290S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
QSt290S

Steel Garde:QSt290S
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	602～853	σb/MPa
Yield Strength	079	σ 0.2 ≥/MPa
Elongation	61	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	060～425	-
HRC	30	-

Physical Properties

Thermal expansion	58-53	e-6/K
Thermal conductivity	37-86	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	8661-5233	째C
Density	0268-6227	kg/m³
Resistivity	0.50-0.60	Ohm.mm²/m

Heat Treatment Regime

Annealing	Quenching	Tempering	Normalizing	Q & T
√	√	√	√	√

Size Availability

Steel Grade	Specification	Processing range(mm)
QSt290S Special Alloy	Round Bar and Hollow Bar	Φ1 to Φ2000
	Square and Flat Steel	Φ10 to Φ100
	Plate and Sheet	0.08-800(Thickness)10-1500(Width)Length
	Tube or Pipe	OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
	Coil and Strip Steel	THK:0.1mm Width:1500mm
	Forged	Ring/Cylindrical/Disk