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QSt370S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of QSt370S

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ONORM QSt370S

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This page is mainly introduced the QSt370S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of QSt370S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
QSt370S

Steel Garde:QSt370S
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	459～737	σb/MPa
Yield Strength	121	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	758～985	-
HRC	30	-

Physical Properties

Thermal expansion	25-46	e-6/K
Thermal conductivity	25-33	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3242-1576	째C
Density	9280-3831	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)
QSt370S 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