Technical Details Summary
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Manufacturing Process: Cold-rolled (CR) precision sheet processing and hot-rolled (HR) heavy plate rolling, solution annealed, pickled, and surface leveled.
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Dimensional Range: Thicknesses from 0.1 mm up to 100 mm; standard widths up to 2500 mm; lengths up to 8000 mm with custom cut-to-length and profiling capabilities.
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Manufacturing Standards: Fully compliant with ASTM A240 / ASME SA240, EN 10088-2, ISO 15156, and NACE MR 01-75 compliance.
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Core Material Specifications: Austenitic (304, 304L, 304H, 309S, 310S, 316, 316L, 316Ti, 317L, 321, 347), Ferritic/Martensitic (409, 410, 410S, 430), and Duplex/Super Duplex (S31803, S32205, S32550, S32750, S32760).
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Quality & Verification: EN 10204 3.1 Mill Test Certification, Intergranular Corrosion Testing (IGC Practice A/E), Ultrasonic Flaw Detection, Spectro Chemical Analysis, and PMI Testing.
Stainless Steel Sheets & Plates Specifications
Detailed dimensional parameters, manufacturing methods, and standard supply capabilities offered by Trident Metal & Alloys.
| Specification Parameter | Manufacturing Capabilities & Supply Limits |
|---|---|
| Thickness Range | Cold-Rolled Sheets: 0.1 mm to 4.0 mm; Hot-Rolled Plates: 3.0 mm to 100 mm |
| Standard Dimensions | Widths: 1000 mm, 1220 mm, 1250 mm, 1500 mm, 2000 mm, 2500 mm; Lengths up to 8000 mm |
| Form Variations | Flat Sheets, Cut-to-Size Plates, Shim Sheets, Perforated Plates, Chequered Plates, Profile Plates |
| Austenitic Series | ASTM A240 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316L, 316H, 316Ti, 317, 317L, 321, 321H, 347, 347H |
| Ferritic & Martensitic Series | ASTM A240 409, 410, 410S, 430 |
| Duplex & Super Duplex Series | ASTM A240 UNS S31803, S32205, S32550, S32750, S32760 |
| Surface Finish Options | 2B (Cold Rolled), No. 1 (Hot Rolled Annealed & Pickled), No. 4 (Satin/Brushed), BA (Bright Annealed), 8K Mirror, Hairline, PVC Coated |
| Cutting & Edge Profiling | Laser Cutting, Plasma Arc Cutting, Waterjet Precision Profile Cutting, CNC Shearing, Beveled Edges |
| Special Certifications | NACE MR 01-75 / ISO 15156 Sour Service, EN 10204 3.1 MTC, PED 2014/68/EU Compliance |
| Available Aluminium Alloys Grades | Aluminium Alloys (1000, 2000, 3000, 4000, 5000, 6000, 7000 & 8000 Series Coils) |
Stainless Steel Sheets & Plates Overview
Trident Metal & Alloys is one of the premier Stainless Steel Sheets & Plates Manufacturers in India. We produce high-grade cold-rolled sheets and heavy hot-rolled structural plates designed for high stress, extreme temperatures, and harsh chemical environments.
Engineered for seamless downstream fabrication, our flat-rolled products work in tandem with our precision-processed Stainless Steel Coils to offer comprehensive material solutions for tanks, heat exchangers, pressure vessels, and architectural cladding. Every plate is flattened, solution-annealed, and passivated for superior structural performance.
As a leading Stainless Steel Sheets & Plates Supplier in India, we maintain ready inventory ranging from ultra-thin 0.1 mm precision shim sheets up to 100 mm heavy structural plates. All shipments are dispatched with EN 10204 3.1 Mill Test Certificates (MTCs) and satisfy global ASME, ASTM, and NACE compliance standards.
Stainless Steel Sheets & Plates Grades & Standards
| Alloy Grades | Series | Primary Characteristics & Industrial Applications |
|---|---|---|
| 304 / 304L / 304H | Commercial Standard | Everyday rust-proof choice; easy to bend and weld for food equipment, tanks, and kitchenware. |
| 309S / 310S / 310H | Extreme Heat Resistant | Built for extreme heat up to 1150°C; prevents warping and cracking in furnaces, kilns, and boilers. |
| 316 / 316L / 316Ti | Marine & Chemical | Saltwater and chemical defender; resists deep rust pitting in ocean hardware and acid tanks. |
| 317 / 317L | High-Moly Chemical | Extra acid protection grade; designed for chemical processing plants, paper mills, and heavy scrubbers. |
| 321 / 347 / 347H | Stabilized Heat Grades | Heat-welding specialist; stays strong around hot exhaust systems and heavy welded joints without cracking. |
| 409 / 430 | Nickel-Free Utility | Budget-friendly magnetic steel; 409 is ideal for car exhausts, while 430 gives a shiny finish for indoor trim. |
| 410 / 410S | Hardenable Structural | Super-tough, heat-treated steel built to handle heavy wear and tear on pump shafts and machinery parts. |
| UNS S31803 / S32205 | Duplex High Strength | Double the strength of regular steel; lightweight, heavy-duty performer for offshore platforms and desalination. |
| S32550 / S32750 / S32760 | Super Duplex Extreme | Ultimate strength and rust defense; engineered for deep-sea drilling, gas wells, and severe acid setups. |
Key Advantages of Stainless Steel Sheets & Plates
Exceptional Chemical & Rust Protection
Alloyed chromium and nickel form an instant self-healing oxide layer, stopping surface rust and chemical wear.
Double the Tensile Strength
Advanced Duplex and Super Duplex options deliver double the yield strength of ordinary steel, letting you use thinner, lighter plates.
Extreme Heat Stability
High-temperature grades maintain structural shape without warping or scaling in heat up to 1150°C.
Easy Cutting, Bending & Welding
High ductility makes it simple to laser-cut, roll, or weld on-site without causing edge cracks or weld decay.
Hygienic & Smooth Finish
Non-porous surfaces clean easily without trapping bacteria, making it ideal for food, beverage, and pharmaceutical facilities.
Quality Verification & Testing Standards
Every shipment dispatched by Trident Metal & Alloys undergoes strict multi-stage quality control to comply with project material standards:
Mill Test Certification
Fully compliant EN 10204 3.1 certification verifying chemical composition, tensile yield, elongation, hardness, and heat treatment batch details.
Corrosion Resistance Testing
Intergranular Corrosion (IGC) testing per ASTM A262 (Practices A, B, C, E) and Pitting Resistance Equivalent Number (PREN) audits.
Ultrasonic & Surface Flaw Testing
100% Ultrasonic Testing (UT) per ASTM A578 on heavy plates to detect internal laminations or voids before fabrication.
Third-Party Inspection (TPI)
Independent inspection protocols managed through client-approved agencies like TUV, Bureau Veritas, SGS, DNV, and Lloyd's Register.
Regional Supply Network Across India
Western Region (Maharashtra & Gujarat)
Supplying 316L, 310S, and UNS S32205 duplex plates to chemical complexes, shipyards, and fabrication hubs in Mumbai, Pune, Thane, Ahmedabad, Vadodara, Rajkot, Surat, and Hazira.
Northern & Central Region (NCR, Punjab, UP & MP)
Distributing 304/304L food-grade sheets and 430 decorative plates for commercial kitchens, transport fleets, and industrial equipment across Delhi NCR, Gurgaon, Faridabad, Ghaziabad, Ludhiana, Kanpur, Indore, and Bhopal.
Southern Region (Tamil Nadu, Karnataka, Telangana & AP)
Delivering precision 321H, 347, and S32750 super duplex plates to aerospace subcontractors, defense units, power plants, and pharmaceutical hubs in Chennai, Coimbatore, Bengaluru, Hyderabad, Visakhapatnam, and Kochi.
Eastern Region (West Bengal, Odisha, Jharkhand & Chhattisgarh)
Bulk supply of heavy-wall 309S furnace plates and S31803 duplex sheets for paper mills, mining slurry lines, and steel plant utilities in Kolkata, Durgapur, Jamshedpur, Rourkela, Bhilai, and Raipur.
Frequently Asked Questions
Q: What is the difference between 304 and 316 stainless steel sheets?
A: Grade 316 contains 2–3% molybdenum, which provides significantly better protection against saltwater pitting and chloride chemicals compared to general-purpose 304 grade.
Q: What is the maximum plate thickness available in ready stock?
A: We stock cold-rolled sheets starting from 0.1 mm up to hot-rolled structural plates up to 100 mm thickness in widths up to 2500 mm.
Q: What does 2B finish mean on stainless steel sheets?
A: A 2B finish is a smooth, slightly reflective cold-rolled mill finish that serves as the standard base for industrial fabrication, stamping, and further polishing.
Q: Can you provide custom laser-cut profile shapes from steel plates?
A: Yes, we offer precision CNC fiber laser, plasma, and waterjet cutting services to deliver custom ring, disc, or profile shapes based on your CAD drawings.
Q: What temper options are available for thin precision stainless sheets?
A: We supply annealed, quarter-hard, half-hard, and full-hard tempers tailored for spring components, shims, and high-tensile stamped parts.
Q: What documentation accompanies stainless steel sheet shipments?
A: Every consignment includes EN 10204 3.1 Mill Test Certificates covering chemical heat analysis, mechanical yield/tensile reports, and IGC test clearances.
Request a Quote
Contact Trident Metal & Alloys for direct factory pricing, immediate stock availability, and technical material selection support for your stainless steel sheet and plate requirements.
- Email Inquiries: tridentmetal96@yahoo.com
- Direct Phone / WhatsApp: +91 9619282829 / +91 9619966304
