317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 317LN

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UNS 317LN

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This page is mainly introduced the 317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 317LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Chemical compositions of SAE wrought stainless steels
  • Steel Garde:317LN
  • Type:Stainless Steels
  • Country:USA
  • Standard:UNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SAE J 405 (1998) Chemical compositions of SAE wrought stainless steels
  • Metallographic Structure:Austenite
  • Application:Chemical compositions of SAE wrought stainless steels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Mn   2.00
Si   0.75
P   0.045
S   0.03
Cr 18.00  20.00
Ni 11.00  15.00
Mo 3.00  4.00
N 0.10  0.20

Mechanical Properties

Tensile strength 146~473 σb/MPa
Yield Strength 378 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 922~315 -
HRC 30 -

Physical Properties

Thermal expansion 18-39 e-6/K
Thermal conductivity 65-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2079-1776 째C
Density 6695-9612 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)
317LN 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