SA-479 S44400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 S44400

AMS SA-479 S44400

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This page is mainly introduced the SA-479 S44400 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-479 S44400,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 S44400
  • 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:Ferrite
  • 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   0.025
Mn   1.00
Si   1.00
P   0.04
S   0.03
Cr 17.50  19.50
Ni   1.00
Mo 1.75  2.50
N   0.035

Mechanical Properties

Tensile strength 077~667 σb/MPa
Yield Strength 027 σ 0.2 ≥/MPa
Elongation 33 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 174~050 -
HRC 30 -

Physical Properties

Thermal expansion 15-87 e-6/K
Thermal conductivity 13-71 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1274-5310 째C
Density 1546-8231 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 S44400 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