SA-479 Type 304L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 Type 304L

AMS SA-479 Type 304L

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This page is mainly introduced the SA-479 Type 304L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 Type 304L,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
  • Steel Garde:SA-479 Type 304L
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA-479/SA-479M Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
  • Metallographic Structure:Austenite
  • Application:Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.030
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 18.00  20.00
Ni 8.00  12.00

Mechanical Properties

Tensile strength 823~185 σb/MPa
Yield Strength 131 σ 0.2 ≥/MPa
Elongation 63 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 344~633 -
HRC 30 -

Physical Properties

Thermal expansion 66-32 e-6/K
Thermal conductivity 48-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3924-4416 째C
Density 1593-6929 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-479 Type 304L 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