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St03FK70 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03FK70

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ONORM St03FK70

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This page is mainly introduced the St03FK70 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03FK70,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St03FK70

Steel Garde:St03FK70
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	773～371	σb/MPa
Yield Strength	445	σ 0.2 ≥/MPa
Elongation	15	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	663～394	-
HRC	30	-

Physical Properties

Thermal expansion	20-61	e-6/K
Thermal conductivity	46-75	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	2862-6964	째C
Density	9427-7856	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)
St03FK70 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