Stainless Steel 321 Coil

Stainless Steel 321 Coil is a titanium-stabilized austenitic stainless steel that offers excellent resistance to intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 427–816°C. It is essentially a stabilized version of SS 304, with the addition of titanium to reduce the risk of carbide precipitation during welding or high-temperature service. This grade is especially suitable for applications involving continuous and intermittent service temperatures up to 900°C.

 Specifications of Stainless Steel 321 Coil

Grade: SS 321 / UNS S32100 / WNR 1.4541

Material: Titanium stabilized Austenitic Stainless Steel

Standards: ASTM A240 / ASME SA240

Thickness: 0.3 mm to 10 mm (customizable)

Width: 1000 mm, 1219 mm, 1500 mm, 2000 mm or as required

Finish: 2B, BA, No.4, Mirror, No.1, etc.

Hardness: Soft, Semi-hard, Hard

Form: Coil / Roll / Strip / Sheet form

Temperature Range: Up to 900°C (continuous), 870°C (intermittent)

Weldability: Good, with no post-weld annealing required for thin sections

Corrosion Resistance: High resistance to oxidation and intergranular corrosion

 Uses of Stainless Steel 321 Coil

Heat Exchangers and Boilers: Ideal due to high-temperature strength

Aerospace Components: Used in jet engine parts and exhaust manifolds

Chemical Processing Equipment: Withstands aggressive environments

Refineries and Petrochemical Plants: For high-heat and corrosive applications

Welding Applications: Maintains strength and resistance in weld-affected zones

Expansion Bellows: Excellent thermal stability and flexibility

Furnace Parts & Heat Treating Equipment: Withstands cyclic heating

 Contact Us:
Phone: +91-9833872282
Email: nikhil@metcoresteel.com
Website: www.metcoresteel.com