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STS3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS3

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KS STS3

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This page is mainly introduced the STS3 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS3,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Steel Garde:STS3
Type:Special Alloy
Country:Korea
Standard:KS
Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS3	KS	Korea
STS31	KS	Korea
STS31	KS	Korea
STS329J1	KS	Korea
STS329J1	KS	Korea
STS329J3L	KS	Korea
STS329J3L	KS	Korea
STS329J4L	KS	Korea
STS329J4L	KS	Korea
STS317J5L	KS	Korea
STS317J5L	KS	Korea
STS321	KS	Korea
STS321	KS	Korea
STS347	KS	Korea
STS347	KS	Korea
STS329J3L	GBT	China
STS329J3L	GBT	China
STS329J4L	KS	Korea
STS329J4L	KS	Korea
STS317LN	KS	Korea
STS301	KS	Korea
STS302	KS	Korea
STS303	KS	Korea
STS303Se	KS	Korea
STS304	KS	Korea
STS304L	KS	Korea
STS304N1	KS	Korea
STS304N2	KS	Korea
STS304LN	KS	Korea
STS304J3	KS	Korea
STS305	KS	Korea
STS309S	KS	Korea
STS310S	KS	Korea
STS316	KS	Korea
STS316L	KS	Korea
STS316LN	KS	Korea
STS316Ti	KS	Korea
STS316J1	KS	Korea
STS316J1L	KS	Korea
STS317	KS	Korea
STS317L	KS	Korea
STS317J1	KS	Korea
STS317J4L	KS	Korea
STS304TKA	KS	Korea
STS304TKC	KS	Korea
STS316TKA	KS	Korea
STS316TKC	KS	Korea
STS321TKA	KS	Korea
STS347TKA	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	254～490	σb/MPa
Yield Strength	402	σ 0.2 ≥/MPa
Elongation	56	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	899～528	-
HRC	30	-

Physical Properties

Thermal expansion	25-86	e-6/K
Thermal conductivity	31-43	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1456-1902	째C
Density	2717-2232	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)
STS3 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