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STS309STP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS309STP

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KS STS309STP

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This page is mainly introduced the STS309STP chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS309STP,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless lined steel pipe

Steel Garde:STS309STP
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3576 (2011) Stainless steel pipes

2 D 9536 (2011) Stainless lined steel pipe
Metallographic Structure:Austenite
Application:Stainless lined steel pipe

ITEM	Standard Number	Descriptions
1	D 3576 (2011)	Stainless steel pipes
2	D 9536 (2011)	Stainless lined steel pipe

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS309S	KS	Korea
STS309STPY	KS	Korea
STS309STB	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	22.00	24.00
Ni	12.00	15.00
Mo
N

Mechanical Properties

Tensile strength	709～387	σb/MPa
Yield Strength	679	σ 0.2 ≥/MPa
Elongation	96	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	989～349	-
HRC	30	-

Physical Properties

Thermal expansion	51-45	e-6/K
Thermal conductivity	81-73	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6170-4889	째C
Density	9552-0934	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)
STS309STP Stainless Steels	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