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STS43 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS43

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KS STS43

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This page is mainly introduced the STS43 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS43,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STS43
Type:Special Alloy
Country:Sweden
Standard:KS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS43	KS	Sweden
STS43	KS	Korea
STS43	KS	Korea
STS430	KS	Korea
STS430	KS	Korea
STS430F	KS	Korea
STS430F	KS	Korea
STS434	KS	Korea
STS434	KS	Korea
STS431	KS	Korea
STS431	KS	Korea
STS430TKA	KS	Korea
STS430TKC	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	508～772	σb/MPa
Yield Strength	426	σ 0.2 ≥/MPa
Elongation	47	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	183～920	-
HRC	30	-

Physical Properties

Thermal expansion	47-18	e-6/K
Thermal conductivity	78-87	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3711-4835	째C
Density	5987-1503	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)
STS43 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