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St41KKW chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KKW

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ONORM St41KKW

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This page is mainly introduced the St41KKW chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KKW,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St41KKW

Steel Garde:St41KKW
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	767～408	σb/MPa
Yield Strength	870	σ 0.2 ≥/MPa
Elongation	13	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	716～637	-
HRC	30	-

Physical Properties

Thermal expansion	76-28	e-6/K
Thermal conductivity	59-64	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3706-6653	째C
Density	3652-7757	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)
St41KKW 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