A 959 Type 317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 317LN

SAE A 959 Type 317LN

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This page is mainly introduced the A 959 Type 317LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 959 Type 317LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
  • Steel Garde:A 959 Type 317LN
  • Type:Stainless Steels
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 959 (2011) Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels
  • Metallographic Structure:Austenite
  • Application:Standard Guide for Specifying Harmonized Standard Grade Compositions for Wrought Stainless Steels

Cross Reference Table(Equivalent Materials):

Material Standard Country
317LN UNS USA
A 167 Type 317LN SAE USA
A 240 Type 317LN SAE USA
SUS317LN AMS USA
A 240 S31753 SAE USA
S31753 AISI USA
SA-240 S31753 AMS USA
STS317LN KS Korea

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 456~025 σb/MPa
Yield Strength 365 σ 0.2 ≥/MPa
Elongation 00 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 099~288 -
HRC 30 -

Physical Properties

Thermal expansion 51-60 e-6/K
Thermal conductivity 87-26 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0633-3469 째C
Density 0651-9173 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)
A 959 Type 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