Stainless Steel 321 (For Springs)

Tech Spring Manufacturing Corp. is a high quality Metal Spring Manufacturer in Taiwan, offering Wave Springs, Retaining Rings and Constant Force Spring with good quality and reasonable price.

Stainless Steel 321 (For Springs)

Stainless Steel 321 has similar composition to 304 Stainless Steels but with addition of Titanium. It can be used for any TSMC spring product such as wave springs, retaining rings and compression springs.
Stainless Steel 321 is also known as AISI 321, Nirosta 4541, Polarit 731, and Remanit 4541.


Iron Base Wire for wire springs, flat springs and wire products

Key Features
  • Similar composition to 304 Stainless Steels but with addition of Titanium
  • Good creep and oxidation resistance make this a cost effective material for a number of applications
Typical Applications

Refinery Equipment
Heat Exchangers
Engineered components
Food Processing
Waste Treatment

Approx. Operating Temperature

-200 to 300°C
-330 to 570°F

Chemical Composition
ElementNiCrFeMnCSiSPTiMoN
Min %9.5017.00bal0.405xC
Max %12.0019.00bal2.000.081.000.030.040.700.500.10
Wire Type
  • Round
  • Flat Wire
  • Rope/Strand
Specifications
  • ASTM A313
  • ASTM A240
  • ASTM A479
  • BS EN 10088-3:2014
Designations
  • W.Nr. 1.4541
  • UNS S32100
  • AWS 133
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