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EN 10204 3.1 Certified Stock

Stainless Steel 304 / 304L Sheets & Plates Supplier in Mumbai

Direct mill stockist and exporter in Mumbai. Ready inventory in standard and customized dimensions with 100% material traceability and fast dispatch.

Stainless Steel 304 and 304L Sheets and Plates Stockyard Mumbai
Dispatch: Mumbai Stock Hub MOQ: 500 kg / Batch

Material Overview & Specifications

Tatvam Overseas Inc is a leading stockist, supplier, and exporter of prime-quality Stainless Steel 304 and 304L sheets, plates, shim sheets, and slit coils based in Mumbai, India. Operating from our central Girgaon sales office and Kalbadevi stock facility, we maintain over 250 metric tons of ready inventory across standard and customized thicknesses ranging from 0.5 mm up to 50 mm.

Grade 304 (UNS S30400 / 1.4301) is the quintessential austenitic chromium-nickel stainless steel, renowned for exceptional weldability, deep-drawing capability, and resistance to atmospheric oxidation and mild chemical media. Grade 304L (UNS S30403 / 1.4307) features an ultra-low carbon chemistry (C ≤ 0.030%) that eliminates harmful chromium carbide precipitation during welding, making it the preferred specification for heavy-gauge architectural, pharmaceutical, and chemical process equipment without requiring post-weld annealing.

All our stainless steel 304 sheets and plates conform rigorously to ASTM A240 / ASME SA240 standards. We offer versatile surface finishes including Cold Rolled 2B, No.4 Hairline brush with PVC laser protection film, Scotch-Brite, BA (Bright Annealed), and Hot Rolled No.1 pickled finish for heavy structural applications. Our in-house computerized shear and high-precision fiber laser cutting machinery allow us to provide cut-to-size blanks, strips, and circles within a tight dimensional tolerance of ±0.5 mm.

Whether your project requires single prototype sheets or multi-container export consignments, Tatvam Overseas Inc delivers complete material traceability. Every single shipment is backed by an authentic Mill Test Certificate conforming to EN 10204 Type 3.1, verifying exact heat numbers, optical emission spectrometry chemical analysis, and mechanical tensile tests.

Technical Specifications

Standard Specifications ASTM A240 / ASME SA240, EN 10088-2, JIS G4304
Material Grades AISI 304 (UNS S30400, 1.4301), AISI 304L (UNS S30403, 1.4307)
Thickness Range 0.5 mm to 50.0 mm (CR & HR Sheets / Plates)
Widths Available 1000 mm, 1250 mm, 1500 mm, 2000 mm, custom slitting
Lengths Available 2000 mm, 2500 mm, 3000 mm, 6000 mm, cut-to-length
Surface Finishes 2B, BA, No.4 Hairline (PVC / Laser Coated), No.1 Pickled, Mirror 8K
Primary Mill Origins Jindal Stainless (JSL), POSCO, Acerinox, Outokumpu
Testing & MTC EN 10204 3.1 MTC, PMI Tested, NABL Lab Certified

Supply & Logistics Capabilities

Minimum Order (MOQ)

500 kg for ready warehouse stock. Custom rolling lots and project consignments from 1 to 5 metric tons.

MTC & Traceability

EN 10204 Type 3.1 Inspection Certificate with 100% heat number correlation and optical emission chemical analysis.

Third-Party Inspection

Coordination with TUV, DNV, SGS, Bureau Veritas, and Lloyds Register for independent physical and dimensional witness.

Custom Processing

In-house CNC laser cutting, waterjet profiling, shearing, plate beveling, and pipe band saw cutting within 48 hours.

Frequently Asked Questions

What is the difference between SS 304 and SS 304L plates? ↓
The primary distinction lies in carbon content: SS 304 contains up to 0.08% carbon, whereas SS 304L has a maximum of 0.03% carbon. The lower carbon in 304L prevents intergranular carbide precipitation during welding, preserving corrosion resistance in as-welded assemblies.
What is your Minimum Order Quantity (MOQ) for SS 304 sheets? ↓
Our standard MOQ for warehouse stock items is 500 kg. However, for specialized project requirements or sample testing batches, smaller custom lots can be accommodated upon consultation.
Do you provide laser cutting or custom shearing services? ↓
Yes, we operate in-house CNC fiber laser cutting, waterjet cutting, and hydraulic shearing machines to cut SS 304 sheets and plates to your exact design drawings and dimensions within tight tolerances.
Can you supply Third Party Inspection (TPI) with the order? ↓
Absolutely. We routinely coordinate independent third-party inspections with TUV, DNV, Bureau Veritas, SGS, and Lloyds Register prior to container dispatch or domestic transport.
How quickly can orders be dispatched from your Mumbai facility? ↓
Standard warehouse inventory items are dispatched within 24 to 48 hours. Export consignments requiring seaworthy fumigated wooden crating typically ship within 3 to 5 business days.
Fast Quote Response

Get Custom Quotation

Share your required sizes, thickness, schedule, and quantity for immediate wholesale pricing within 2-4 business hours.

Engineering Resources

Calculate theoretical weights or verify EN 10204 3.1 inspection certificate formatting with our online tools.