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St370S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St370S

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ONORM St370S

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This page is mainly introduced the St370S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St370S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St370S

Steel Garde:St370S
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
QSt370S	ONORM	Austria

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	715～855	σb/MPa
Yield Strength	832	σ 0.2 ≥/MPa
Elongation	55	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	755～623	-
HRC	30	-

Physical Properties

Thermal expansion	68-04	e-6/K
Thermal conductivity	41-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7736-3491	째C
Density	2046-7708	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)
St370S 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