CG8M Stainless Steel Properties, Composition & Equivalent

CG8M ASTM A743 A744 A351             Grade(UNS): J93000           Alloy Family: Austenitic Stainless Steel           Equivalent: 317 stainless steel

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What is CG8M Stainless Steel ?

CG8M alloy is a kind of austenitic steel alloy containing molybdenum. Compared with ordinary stainless steel, it has better chemical resistance. In addition,

This stainless steel has high fracture stress strength and excellent ductility at high temperature.

Because of its good chemical resistance, this stainless steel is often used in the manufacture of synthetic fibers, petrochemical industry, textile and papermaking.


CG8M chemical composition

C Mn Si P S Cr Ni
Max 0.20 1.50 2.00 0.04 0.04 26.0 15.0
Min 22.0 12.0

Heat treatment

Heat to 2000°F [1093°C] minimum, hold for sufficient time to heat casting to temperature, quench in water or rapid
cool by other means

Mechanical Properties

GradeASTM A743
Reduction of Area, min / %
Yield Strength, minKsi – 30, MPa – 205
Tensile Strength, minKsi – 70, MPa – 485
Elongation[50mm], min / %30 %


  • Good fracture stress strength
  • Excellent ductility
  • Excellent corrosion resistance


  • Synthetic fiber parts
  • petrochemical industry
  • textile industry
  • Paper industry

CG8M equivalent

317 stainless steel

317 stainless steel is a kind of high alloy steel which can resist corrosion in air or chemical corrosive medium. This kind of stainless steel has beautiful surface and good corrosion resistance. It can give full play to the inherent surface properties of stainless steel without surface treatment such as plating color. 317 stainless steel is a kind of steel alloy used in many fields

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