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Steel sales Co is one of the leading manufacturer, supplier, stockiest and distributor of Stainless Steel 321 Forged Fittings based in Mumbai, India. we have a huge supply chain and we use best available raw material to manufacture the products by using some of the advanced techniques and machineries by skilled staff and experienced quality inspectors in order to maintain the product quality and serve our clients better day by day.
Stainless steel 321 forged fittings are highly corrosion resistant. Stainless steel grade 321 is one of the stabilized austenitic having similarities with stainless 304. Stainless steel 321’s carbon contents are five time less than its titanium addition, that helps in reducing carbide while welding. Stainless steel 321 is intergranular corrosion resistant, once heated within the carbide precipitation, though stainless steel 321 does not participate properly in welding due to titanium and also for hardening only cold working can be done. Stainless steel 321 dose not polish well and that’s the reason it is not recommended for decorative purpose. This material has huge application in, bellows, heating element tubing, spiral welded tube for burner pipes as well asheat exchangers, flues, woven or welded screens for high temperature mineral processing etc.
Stainless steel 321H forged fittings has more ability to withstand higher temperature. Stainless steel 321H is considered as higher carbon variant of stainless steel 321. Stainless steel grade 321 is stabilized using niobium as an addition to resist intergranular corrosion. Stainless steel 321H has great resistance to creep. Also it shows remarkably better resistance to acid corrosion in various temperatures. It has wide range of application in expansion joints, piston engine manifolds, food processing, thermal oxidizers, pharmaceutical production, waste treatment, polythionic acid service, etc. at lower temperature stainless steel 321H can be used in pure phosphoric acid, at moderate temperature it can be used in most dilute organic acids as well as at elevated temperature up to 10% dilute solution. Stainless steel 321 and stainless steel 321H are dually certified in some cases due to its similar characteristics.
STANDARD | WERKSTOFF NR. | UNS | JIS | EN |
SS 321 | 1.4541 | S32100 | SUS 321 | X6CrNiTi18-10 |
SS 321H | 1.4878 | S32109 | SUS 321H | X12CrNiTi18-9 |
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 |
SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
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 % |
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Express Delivery
We understand the urgency of product requirement for Oil & Gas Industry & industrial breakdowns at various situations attenuating the project performance.
Our Certifications