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St03FK4a chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03FK4a

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ONORM St03FK4a

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This page is mainly introduced the St03FK4a chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St03FK4a,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St03FK4a

Steel Garde:St03FK4a
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	789～987	σb/MPa
Yield Strength	949	σ 0.2 ≥/MPa
Elongation	99	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	253～893	-
HRC	30	-

Physical Properties

Thermal expansion	95-57	e-6/K
Thermal conductivity	21-66	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5547-4878	째C
Density	5939-1467	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)
St03FK4a 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