China Spring Tempered Stainless Strip Supplier 201-301-304-316 Stainless Steel Strip
JIANGYIN HETAI CO., LTD

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  • 321 Stainless Steel Strip
321 Stainless Steel Strip

321 Stainless Steel Strip

321 Stainless Steel Strip

321 stainless steel icontains a Titanium addition of at least five times the carbon content. This addition is made to reduce or eliminate chromium carbide precipitation - resulting from welding or exposure to high temperatures. Maximum stabilization is accomplished by annealing between 955° and 1010° C. AISI 321 has extensive use in aircraft parts, such as exhaust systems where operating temperatures are higher than 427° C. and where corrosive conditions are not too severe; also because of its resistance to scaling and vibration fatigue.

Chemical Composition 

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 – 19.00 0.10 max 9.00 – 12.00 5(C+N) – 0.70 max

Mechanical Properties

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %
Applications : 
  1. Aircraft exhaust manifolds and flanges.
  2. Jet engine parts
  3. Aircraft exhaust manifolds and flanges
  4. Jet engine parts
  5. Chemical handling equipment
  6. Oil refinery equipment
  7. Firewalls

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