01246 291 111

sales@westspecialfasteners.co.uk

01246 291 111

sales@westspecialfasteners.co.uk

321 Stainless Steel

About 321 Stainless Steel

321 is an austenitic solution treated stainless steel material which is known for its excellent resistance to corrosion and oxidation, particularly at elevated temperatures.

Common applications can include but not limited to: Aerospace, heat exchangers and pressure vessels, welding applications and marine environments.

321 Stainless Steel Grades & Equivalents

  • ASTM A193 B8T CLASS 1
  • ASTM A320 B8T CLASS 1
  • ASTM A276 S32100
  • ASTM A479 S32100
  • BS4882 B8T
  • 1.4541
  • BS970 321S31

Typical chemical analysis

C
0.080
P
0.045
Ni
9.00-12.00
Si
1.00
S
0.030
N
0.100
Mn
2.00
Cr
17.0-19.0
Ti
5x(C+N) to 0.70

Typical mechanical properties

Tensile Strength

515 N/mm2 min

0.2% Proof Stress

205 N/mm2 min

Elongation

30%

Impacts

Nil

Hardness

223 HBw

Reduction of Area

50%

Stress Rupture

Nil

Other Remarks

Mechanicals may vary slightly depending on specification (above taken from ASTM A193)

Download metal data sheets

321 Stainless Steel Material Data Sheet

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Location

Callywhite Ln, Dronfield, S18 2XR
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