A 554 MT 309S -Cb chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 554 MT 309S -Cb

SAE A 554 MT 309S -Cb

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This page is mainly introduced the A 554 MT 309S -Cb chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of A 554 MT 309S -Cb,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Intended for use in ornamental, structural, exhaust, and other applications where appearance, mechanical properties, or corrosion resistance is needed.

Austenitic steel; As-welded or cold-reduced mechanical tubing in sizes to 406.4 mm outside dimension, and in wall thicknesses 0.51 mm and over.
  • Steel Garde:A 554 MT 309S -Cb
  • Type:Stainless Steels
  • Country:USA
  • Standard:SAE
  • Standard Number:
    ITEM Standard Number Descriptions
    1 A 554 (2011) Welded Stainless Steel Mechanical Tubing
  • Metallographic Structure:Austenite
  • Application:Intended for use in ornamental, structural, exhaust, and other applications where appearance, mechanical properties, or corrosion resistance is needed

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.04
S   0.03
Cr 22.0  24.0
Ni 12.0  16.0
Nb+Ta   1.0000

Mechanical Properties

Tensile strength 501~073 σb/MPa
Yield Strength 843 σ 0.2 ≥/MPa
Elongation 72 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 973~570 -
HRC 30 -

Physical Properties

Thermal expansion 55-57 e-6/K
Thermal conductivity 78-35 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3998-2342 째C
Density 7715-6294 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 554 MT 309S -Cb 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