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STS317LTPY chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS317LTPY

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KS STS317LTPY

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This page is mainly introduced the STS317LTPY chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of STS317LTPY,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Large diameter welded stainless steel pipes

Steel Garde:STS317LTPY
Type:Stainless Steels
Country:Korea
Standard:KS
Standard Number:

ITEM Standard Number Descriptions

1 D 3588 (2009) Large diameter welded stainless steel pipes
Metallographic Structure:Austenite
Application:Large diameter welded stainless steel pipes

ITEM	Standard Number	Descriptions
1	D 3588 (2009)	Large diameter welded stainless steel pipes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
STS317L	KS	Korea
STS317LN	KS	Korea
STS317LTB	KS	Korea
STS317LFB	KS	Korea
STS317LTP	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.03
Si		1.00
Mn		2.00
P		0.045
S		0.030
Cr	18.00	20.00
Ni	11.00	15.00
Mo	3.00	4.00
N	0.10	0.22

Mechanical Properties

Tensile strength	617～642	σb/MPa
Yield Strength	239	σ 0.2 ≥/MPa
Elongation	16	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	150～012	-
HRC	30	-

Physical Properties

Thermal expansion	07-39	e-6/K
Thermal conductivity	19-41	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7934-5024	째C
Density	1683-4716	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)
STS317LTPY 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