SA-249 TP316LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-249 TP316LN

AMS SA-249 TP316LN

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This page is mainly introduced the SA-249 TP316LN chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-249 TP316LN,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
  • Steel Garde:SA-249 TP316LN
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA-249/SA-249M Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
  • Metallographic Structure:Austenite
  • Application:Specification for Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.03
Si   0.75
Mn   2.00
P   0.045
S   0.035
Cr 16.0  18.0
Ni 10.0  14.0
Mo 2.00  3.00
N 0.10  0.16

Mechanical Properties

Tensile strength 970~010 σb/MPa
Yield Strength 882 σ 0.2 ≥/MPa
Elongation 53 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 761~426 -
HRC 30 -

Physical Properties

Thermal expansion 02-57 e-6/K
Thermal conductivity 89-88 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0952-3421 째C
Density 4415-9104 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)
SA-249 TP316LN 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