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STS44 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS44

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KS STS44

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This page is mainly introduced the STS44 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS44,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STS44
Type:Special Alloy
Country:Korea
Standard:KS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS44	KS	Korea
STS447J1	KS	Korea
STS447J1	KS	Korea
STS440A	KS	Korea
STS440A	KS	Korea
STS440B	KS	Korea
STS440B	KS	Korea
STS440C	KS	Korea
STS440C	KS	Korea
STS440F	KS	Korea
STS440F	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	555～375	σb/MPa
Yield Strength	625	σ 0.2 ≥/MPa
Elongation	53	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	338～902	-
HRC	30	-

Physical Properties

Thermal expansion	61-36	e-6/K
Thermal conductivity	11-13	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4349-2588	째C
Density	3166-3390	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)
STS44 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