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STS4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS4

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KS STS4

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This page is mainly introduced the STS4 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS4,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STS4
Type:Special Alloy
Country:Korea
Standard:KS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS4	KS	Korea
STS4	KS	Korea
STS4	KS	Korea
STS41	KS	Korea
STS41	KS	Korea
STS43	KS	Sweden
STS43	KS	Sweden
STS44	KS	Korea
STS44	KS	Korea
STS4	KS	Korea
STS4	KS	Korea
STS43	KS	Korea
STS43	KS	Korea
STS405	KS	Korea
STS405	KS	Korea
STS410L	KS	Korea
STS410L	KS	Korea
STS430	KS	Korea
STS430	KS	Korea
STS430F	KS	Korea
STS430F	KS	Korea
STS434	KS	Korea
STS434	KS	Korea
STS447J1	KS	Korea
STS447J1	KS	Korea
STS403	KS	Korea
STS403	KS	Korea
STS410	KS	Korea
STS410	KS	Korea
STS41oJl	KS	Korea
STS41oJl	KS	Korea
STS41OF2	KS	Korea
STS41OF2	KS	Korea
STS416	KS	Korea
STS416	KS	Korea
STS420J1	KS	Korea
STS420J1	KS	Korea
STS420J2	KS	Korea
STS420J2	KS	Korea
STS420F	KS	Korea
STS420F	KS	Korea
STS420F2	KS	Korea
STS420F2	KS	Korea
STS431	KS	Korea
STS431	KS	Korea
STS440A	KS	Korea
STS440A	KS	Korea
STS440B	KS	Korea
STS440B	KS	Korea
STS440C	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	875～719	σb/MPa
Yield Strength	631	σ 0.2 ≥/MPa
Elongation	91	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	227～467	-
HRC	30	-

Physical Properties

Thermal expansion	77-83	e-6/K
Thermal conductivity	16-71	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6933-6888	째C
Density	0745-9433	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)
STS4 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