SA-541 Class 8A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-541 Class 8A

AMS SA-541 Class 8A

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This page is mainly introduced the SA-541 Class 8A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-541 Class 8A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components
  • Steel Garde:SA-541 Class 8A
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA-541/SA-541M Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components
  • Metallographic Structure:Precipitation-Hardening
  • Application:Quenched and Tempered Carbon and Alloy Steel Forgings for Pressure Vessel Components

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.20
Si   0.50
Mn   1.00
P  
S  
Ni  
Cr   12.50
Al  
Cu  
Ti  
Fe   remaining
N  
Mo  
W   3.00

Mechanical Properties

Tensile strength 561~116 σb/MPa
Yield Strength 889 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 058~060 -
HRC 30 -

Physical Properties

Thermal expansion 91-34 e-6/K
Thermal conductivity 38-43 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0574-6962 째C
Density 5392-5286 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-541 Class 8A 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