A 249 S33228 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S33228

SAE A 249 S33228

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This page is mainly introduced the A 249 S33228 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 249 S33228,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
  • Steel Garde:A 249 S33228
  • Type:Stainless Steels
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 249/A 249M (2010) Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes
  • Metallographic Structure:Austenite
  • Application:Welded Austenitic Steel Boiler, Superheater, Heat-Exchanger, and Condenser Tubes

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.04  0.08
Mn   1.00
Si   0.30
P   0.02
S   0.015
Cr 26.0  28.0
Ni 31.0  33.0
Ce 0.05  0.10
Nb 0.10  1.00
Al   0.025

Mechanical Properties

Tensile strength 673~322 σb/MPa
Yield Strength 741 σ 0.2 ≥/MPa
Elongation 42 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 171~457 -
HRC 30 -

Physical Properties

Thermal expansion 74-53 e-6/K
Thermal conductivity 89-74 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1195-2618 째C
Density 4137-5677 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 249 S33228 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