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

SAE A 479 304L

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This page is mainly introduced the A 479 304L chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 479 304L,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
  • Steel Garde:A 479 304L
  • Type:Stainless Steels
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    5 A 479/A 479M (2011) Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
  • Metallographic Structure:Austenite
  • Application: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 17.50  19.50
Ni 8.00  12.0

Mechanical Properties

Tensile strength 204~157 σb/MPa
Yield Strength 796 σ 0.2 ≥/MPa
Elongation 71 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 303~521 -
HRC 30 -

Physical Properties

Thermal expansion 90-96 e-6/K
Thermal conductivity 25-80 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0191-8503 째C
Density 6824-8389 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 479 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