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321/321H Stainless Steel Sheet

NG Industries are manufacturers, exporters & suppliers of SS 321/321H Sheets. Grades 321/321H is the crucial austenitic 18/8 steel (Grade 304) settled by Titanium (321) increases. These assessments are used in light of the fact that they are not delicate to intergranular disintegration in the wake of warming within the carbide precipitation extent of 425-850°C. Grade 321/321H is the assessment of choice for applications in the temperature extent of up to around 900°C, joining brilliant, impenetrability to scaling and stage reliability with impenetrability to coming about liquid disintegration.

An obstacle with 321/321H is that titanium does not trade well over a high temperature bend, so is not endorsed as a welding consumable. Grade 347 is thusly the standard consumable for welding 321.

Features :

  • High tensile strength
  • Long service life
  • Resistant against corrosion
  • Highly machinable
  • Very strong and tough
  • Can be hardened by heat treatment
  • Magnetic


Steel GradesAISI304(1.4301), AISI304L(1.4307), AISI304H (S30409)
ProductionHot-Rolled (HR) / Cold-Rolled (CR)
StandardASTM A240 / ASME SA240
Thickness0.3mm to 100mm
ApplicationMedical equipment, Food industry, Construction material, Kitchen utensils, BBQ grill, Building construction, Electric equipment,

Chemical Composition

Grade Chemical Composition (%)
AISI C Max Mn Max P Max S Max Si Max Cr Ni Mo Other Element
321H 0.04 - 0.08 2.0 0.045 0.030 0.75 17.0/19.0 9.0/12.0 - 4(C+N) - 0.70
321 0.08 2.0 0.045 0.030 1.0 17.0/19.0 9.0/12.0 - Ti5xCmin
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