Stainless Steel 321


Stainless Steel 321 is a standard austenitic 18/8 chromium nickel combination with the expansion of Titanium settling on it a fantastic decision in hoisted temperature situations. The titanium balances out the material uprooting its helplessness to the impacts of intergranular erosion. SS 321 is hence the stainless steel material of decision for applications in workplaces up to 900° C.

A disadvantage of Grade 321 is that the titanium does not exchange well over a high temperature bend, so it is not suggested as a welding consumable. In such cases, 347 is the favoured decision as the Niobium performs the same capacity as Titanium however can be still exchanged over a high temperature circular segment. Sort 347 is in this manner the consumable of decision for welding Grade 321.

The steel has incredible shaping and welding qualities and fantastic sturdiness even at cryogenic temperatures. On the off chance that you are searching for a stainless steel to give imperviousness to intergranular erosion, 304L is the ordinary decision as it is an all the more generally utilized and supplied steel. Stainless Steel 321 is a vastly improved choice in working temperature situations in abundance of 500° C and in this manner has its own particular benefits. Stainless Steel 321 does not clean well so it is not down to earth to utilize this material as nonessential engineering highlight.

Ashapura Steel are one of the unmistakable suppliers and exporters of AISI 321 Stainless Steel. They are made in agreeability with modern standards and rules utilizing very subjective crude materials. They are dimensionally exact and are no doubt understood for being anything but difficult to introduce and keep up. They have a perfect surface completion. Their powerful and durable outlines make them equipped for withstanding the hardest of contacts effortlessly. They are quality-tried by expert examiners before dispatch to guarantee that the customer’s desires are suitably met. We supply them to our customers inside the predefined time period at spending plan cordial rates. Our shipment methodology is likewise bother free.


  • Easy to install
  • Low maintenance
  • Customized specifications


  • ASTM A312 TP 321 Stainless Steel Seamless Pipes
  • SS 321 Welded Pipes
  • ASTM A213 TP 321 Stainless Steel Seamless Tubes
  • SS 321 Rectangular Pipes
  • ASTM A312 TP 321 Stainless Steel Welded Pipes
  • SS 321 Seamless Tubes
  • ASTM A249 TP 321 Stainless Steel Welded Tubes
  • SS 321 ERW Tubes
  • SS 321 Seamless Pipes
  • SS 321 EFW Tubes
  • SS 321 ERW Pipes
  • SS 321 Welded Tubes
  • SS 321 EFW Pipes
  • SS 321 Rectangular Tubes
  • Stainless Steel 321 Round Bar
  • Stainless Steel 321 plates
  • Stainless Steel 321 sheets
  • Stainless Steel 321 coil
  • Stainless Steel 321 fitting
  • Stainless Steel 321 flanges
  • Stainless Steel 321 fasteners


UNS No Grade C Si Mn P S Cr Mo Ni N Other
S32100 321 0.08 0.75 2.00 0.045 0.030 17.00/19.00 9.00/12.00 Ti:5x(C+N)/0.70


UNS No Grade Proof Stress
0.2% (MPa)
Tensile Strength
Hardness Max
S32100 321 205 515 40 217 95


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