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

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

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.(≤) Similar Remarks
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 295~538 σb/MPa
Yield Strength 893 σ 0.2 ≥/MPa
Elongation 65 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 260~807 -
HRC 30 -

Physical Properties

Thermal expansion 55-54 e-6/K
Thermal conductivity 67-48 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2734-5684 째C
Density 7481-0166 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

Technical specification/standard for download