Jineshwar Steels is a trusted supplier of premium-quality Stainless Steel 321 Plates, offering high-performance titanium-stabilised stainless steel solutions for industries operating under elevated temperatures and corrosive conditions. Manufactured in accordance with ASTM A240, ASME SA240, and international quality standards, Stainless Steel 321 Plates are specifically designed to provide excellent resistance to intergranular corrosion after welding while maintaining outstanding oxidation resistance and high-temperature strength. The addition of titanium stabilises the material by preventing chromium carbide precipitation during welding, making SS 321 Plates ideal for fabricated components that operate continuously in temperatures ranging from 425°C to 900°C. These plates offer excellent weldability, superior formability, high creep strength, and long-term durability in thermal processing environments. Stainless Steel 321 Plates are extensively used in aerospace components, heat exchangers, exhaust systems, pressure vessels, refinery equipment, petrochemical plants, thermal processing units, expansion joints, and power generation industries. Every plate undergoes comprehensive quality inspections to verify dimensional accuracy, chemical composition, mechanical properties, and surface finish before dispatch. Available in multiple thicknesses, finishes, and customised dimensions, Jineshwar Steels supplies dependable Stainless Steel 321 Plates backed by technical expertise, extensive inventory, competitive pricing, and prompt domestic as well as international delivery services.

Jineshwar Steels is recognised among leading manufacturers of premium-quality Stainless Steel 321 Plates, supplying titanium-stabilised stainless steel products engineered for elevated temperature service and welded fabrication. Our manufacturing process combines premium raw materials, advanced rolling technology, and stringent quality assurance procedures to ensure compliance with ASTM A240 and international standards. Stainless Steel 321 Plates provide outstanding resistance to intergranular corrosion, oxidation, scaling, and thermal fatigue while maintaining excellent mechanical strength and dimensional stability. The titanium stabilisation prevents chromium carbide precipitation during welding, allowing fabricated components to perform reliably without post-weld heat treatment in many applications. These plates are widely used in aerospace equipment, exhaust systems, refinery units, petrochemical processing plants, pressure vessels, heat exchangers, thermal processing systems, and expansion joints. Every plate undergoes detailed inspection to verify dimensional accuracy, chemical composition, mechanical properties, and surface finish before dispatch. Supported by modern manufacturing facilities and experienced professionals, Jineshwar Steels consistently supplies premium stainless steel plates for demanding industrial environments.

Table of Contents

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Stainless Steel 321 Plates Specifications

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Stainless Steel 321 Plates Chemical Composition

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Stainless Steel 321 Plates Mechanical Properties

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Stainless Steel 321 Plates Applications

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Stainless Steel 321 Plates Latest Price List

Jineshwar Steels has earned a strong reputation as reliable exporters of premium Stainless Steel 321 Plates, supplying titanium-stabilised stainless steel products to industrial customers across international markets. Every export shipment is supported by comprehensive quality inspections, export-grade packaging, complete documentation, and efficient logistics management to ensure safe transportation and timely delivery. Our Stainless Steel 321 Plates undergo rigorous inspection before dispatch to verify dimensional accuracy, corrosion resistance, oxidation resistance, mechanical properties, and surface quality. We provide EN 10204 3.1 Mill Test Certificates together with inspection reports and export documentation for smooth international procurement. These plates are extensively used in aerospace engineering, petrochemical plants, refinery equipment, thermal processing systems, power generation facilities, exhaust manifolds, heat exchangers, and industrial fabrication where dependable high-temperature performance is essential. Through premium product quality, responsive communication, dependable logistics, and technical expertise, Jineshwar Steels continues to build long-term partnerships with industrial customers worldwide.

Jineshwar Steels is one of the trusted suppliers of premium-quality Stainless Steel 321 Plates, maintaining an extensive inventory to support fabrication companies, EPC contractors, aerospace manufacturers, petrochemical industries, refinery operators, thermal processing facilities, power plants, and heavy engineering companies. Our ready stock includes multiple plate thicknesses, widths, lengths, and customised dimensions suitable for demanding industrial applications. Every plate is thoroughly inspected before dispatch to ensure dimensional consistency, excellent surface quality, and compliance with ASTM A240 specifications. Stainless Steel 321 Plates supplied by us are widely used in heat exchangers, expansion joints, exhaust systems, industrial furnaces, pressure vessels, refinery equipment, chemical processing systems, thermal insulation assemblies, and high-temperature fabrication projects where excellent oxidation resistance and weld stability are essential. Our experienced technical team assists customers in selecting the appropriate specifications according to project requirements. Through competitive pricing, dependable logistics, transparent business practices, and prompt customer support, Jineshwar Steels continues to supply premium stainless steel plates across domestic and international markets.

Jineshwar Steels is one of the dependable stockists of premium-quality Stainless Steel 321 Plates, maintaining a comprehensive inventory to support urgent industrial requirements and high-temperature engineering projects. Our warehouse stocks a wide range of plate thicknesses, widths, lengths, and customised dimensions to ensure immediate availability for aerospace manufacturers, EPC contractors, petrochemical plants, refinery operators, thermal processing facilities, power generation companies, exhaust system manufacturers, and heavy engineering contractors. Every plate is stored under controlled conditions to preserve its oxidation resistance, corrosion resistance, dimensional accuracy, surface finish, and mechanical properties until dispatch. Our efficient inventory management system enables us to fulfil both standard and bulk orders with short lead times while maintaining complete material traceability. Stainless Steel 321 Plates supplied by Jineshwar Steels are extensively used in heat exchangers, expansion joints, exhaust manifolds, industrial furnaces, refinery equipment, pressure vessels, petrochemical processing units, thermal insulation systems, aerospace components, and high-temperature fabrication where reliable performance under continuous heat exposure is essential. Every batch undergoes comprehensive inspection before delivery and is supplied with EN 10204 3.1 / Mill Test Certificates. Through ready inventory, dependable logistics, responsive customer support, and consistent product quality, Jineshwar Steels continues to be a preferred inventory partner for premium stainless steel plates.

Property	Specification
Product Name	Stainless Steel 321 Plates
Grade	SS 321 / UNS S32100
Standard	ASTM A240 / ASME SA240
Thickness	3 mm to 100 mm
Width	1000 mm to 2000 mm
Length	2000 mm to 6000 mm
Finish	2B, No.1, BA, No.4, Hairline, Mirror
Form	Plates, Cut Plates, Custom Sizes
Edge	Mill Edge, Slit Edge
Test Certificate	EN 10204 3.1 / Mill Test Certificate
Origin	Indian, European & Imported Mills

Grade	C (%)	Cr (%)	Ni (%)	Ti (%)	Mn (%)	Si (%)	P (%)	S (%)
SS 321	0.08 Max	17.00–19.00	9.00–12.00	5 × C Min – 0.70 Max	2.00 Max	1.00 Max	0.045 Max	0.030 Max

Yield Strength	Tensile Strength	Elongation	Hardness	Density
205 MPa Min	515 MPa Min	40% Min	217 HB Max	7.90 g/cm³