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STS309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS309S

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KS STS309S

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This page is mainly introduced the STS309S chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS309S,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
KS standard austenite stainless steel bars(KS D3706-1992)

Steel Garde:STS309S
Type:Special Alloy
Country:Korea
Standard:KS
Application:KS standard austenite stainless steel bars(KS D3706-1992)

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength	950～184	σb/MPa
Yield Strength	898	σ 0.2 ≥/MPa
Elongation	44	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	066～044	-
HRC	30	-

Physical Properties

Thermal expansion	37-86	e-6/K
Thermal conductivity	92-25	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1237-1927	째C
Density	5354-9503	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)
STS309S 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