SA-268 S44626 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S44626

AMS SA-268 S44626

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This page is mainly introduced the SA-268 S44626 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SA-268 S44626,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.

Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

  • Steel Garde:SA-268 S44626
  • Type:Stainless Steels
  • Country:USA
  • Standard:AMS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 SA-268/SA-268M Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service
  • Metallographic Structure:Ferrite
  • Application:Specification for Seamless and Welded Ferritic and Martensitic Stainless Steel Tubing for General Service

Cross Reference Table(Equivalent Materials):

Material Standard Country
A 240 S44626 SAE USA
A 268 S44626 SAE USA
S44626 AISI USA
SA-240 S44626 AMS USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.06
Mn   0.75
Si   0.75
P   0.04
S   0.02
Cr 25.00  27.00
Ni   0.50
Mo 0.75  1.50
N   0.04
Cu   0.20
Ti 0.20  1.00

Mechanical Properties

Tensile strength 614~254 σb/MPa
Yield Strength 078 σ 0.2 ≥/MPa
Elongation 93 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 355~909 -
HRC 30 -

Physical Properties

Thermal expansion 40-29 e-6/K
Thermal conductivity 12-98 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1559-8699 째C
Density 0044-5526 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-268 S44626 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