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St03F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03F

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ONORM St03F

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This page is mainly introduced the St03F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St03F

Steel Garde:St03F
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
St03FK32	ONORM	Austria
St03FK4a	ONORM	Austria
St03FK50	ONORM	Austria
St03FK60	ONORM	Austria
St03FK70	ONORM	Austria

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	456～718	σb/MPa
Yield Strength	621	σ 0.2 ≥/MPa
Elongation	29	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	061～998	-
HRC	30	-

Physical Properties

Thermal expansion	61-54	e-6/K
Thermal conductivity	83-70	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3922-5780	째C
Density	8933-8635	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)
St03F 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