Stainless Steel Classification and Chemical Composition

 

Stainless Steel Classification and Chemical Composition

Stainless Steel Classification

Stainless steel is classified into three main types:Stainless Steel Classification and Chemical

  • Austenitic stainless steel
  • Ferritic stainless steel
  • Martensitic stainless steel

Austenitic Stainless Steel Pipes

The seamless stainless steel pipes we produce, including round, square, rectangular, and custom thick-walled pipes, are made from austenitic stainless steel. Below are the chemical compositions of commonly used materials:

201 Stainless Steel Pipe

  • C: ≤0.15%
  • Si: ≤1.00%
  • Mn: 5.50-7.50%
  • P: ≤0.060%
  • S: ≤0.030%
  • Ni: 3.50-5.30%
  • Cr: 16.00-18.00%
  • N: ≤0.25%

301 Stainless Steel Pipe

  • C: ≤0.15%
  • Si: ≤1.0%
  • Mn: ≤2.0%
  • Cr: 16.0-18.0%
  • Ni: 6.0-8.0%
  • S: ≤0.03%
  • P: ≤0.045%

304 Stainless Steel Pipe

  • C: ≤0.08%
  • Si: ≤1.0%
  • Mn: ≤2.0%
  • Cr: 17.0-19.0%
  • Ni: 8.0-10.0%
  • S: ≤0.03%
  • P: ≤0.045%

316L Stainless Steel Pipe

  • C: ≤0.03%
  • Si: ≤1.0%
  • Mn: ≤2.0%
  • Cr: 16.0-18.0%
  • Ni: 10.0-14.0%
  • S: ≤0.03%
  • P: ≤0.045%
  • Mo: 2.00-3.00%

2520 Stainless Steel Pipe

  • C: ≤0.08%
  • Si: ≤1.0%
  • Mn: ≤2.0%
  • Cr: 24.0-26.0%
  • Ni: 19.0-22.0%
  • S: ≤0.03%
  • P: ≤0.045%

321 Stainless Steel Pipe

  • C: ≤0.12%
  • Si: ≤1.0%
  • Mn: ≤2.0%
  • Cr: 16.0-19.8%
  • Ni: 8.0-10.0%
  • S: ≤0.03%
  • P: ≤0.035%
  • Mo: 2-3%

Teda Ganghua Metal -17 years

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