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STS347 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS347

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KS STS347

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This page is mainly introduced the STS347 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS347,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
STS347

Steel Garde:STS347
Type:Special Alloy
Country:Korea
Standard:KS
Application:Austenitic Steel

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS347	KS	Korea
STS347TKA	KS	Korea

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	044～684	σb/MPa
Yield Strength	266	σ 0.2 ≥/MPa
Elongation	21	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	790～684	-
HRC	30	-

Physical Properties

Thermal expansion	31-43	e-6/K
Thermal conductivity	26-19	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4118-7087	째C
Density	3799-5266	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)
STS347 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