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St41KK chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KK

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ONORM St41KK

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This page is mainly introduced the St41KK chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of St41KK,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
St41KK

Steel Garde:St41KK
Type:Special Alloy
Country:Austria
Standard:ONORM
Application:Austrian structural steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
St41KKW	ONORM	Austria

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	720～688	σb/MPa
Yield Strength	734	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	144～774	-
HRC	30	-

Physical Properties

Thermal expansion	49-20	e-6/K
Thermal conductivity	60-27	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	5765-4223	째C
Density	1161-8606	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)
St41KK 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