Stainless Steel Sheets & Plates
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Midland Alloys Inc. is a trusted manufacturer and supplier of stainless steel sheets and plates, providing high-performance solutions that ensure structural integrity, and corrosion resistance in harsh environments. We maintain an inventory that rigorously follows ASTM A240 / ASME SA240 standards, ensuring that each piece of metal we provide material that meets worldwide safety and quality standards. We offer these products in a massive range of dimensions, including custom thicknesses and widths that fit specific project blueprints without unnecessary waste. Because we focus on precision, our SS sheets and plates feature clean edges and flat surfaces, making them ready for immediate use in food processing, marine hardware, or heavy machinery. We maintain a substantial stock of diverse grades to serve both domestic and international markets, providing comprehensive documentation and export-grade packaging for every order. Quality is our standard.
What Are Stainless Steel Sheets & Plates?
Stainless steel sheets and plates are flat-rolled products made from corrosion-resistant steel alloys, produced to tight dimensional and metallurgical limits. The main distinction lies in thickness. Sheets often measure up to approximately 3 mm, whereas plates commence at this threshold and extend to significant sections used for load-bearing or pressure-related applications. The difference impacts manufacturing processes, structural applications, and fabrication strategies.
We offer stainless steel sheets and plates in regularly used grades such as 304, 304L, 316, 316L, 321, 310, and Duplex stainless steel. These grades were selected depending on corrosion exposure, temperature, and strength requirements. Surface finishes range from 2B and BA to polished and custom finishes, depending on appearance, and hygiene requirements. Thicknesses and widths vary widely, with cut-to-size options available to reduce site work. The material stays consistent. That is the point.
Key Properties of SS Sheets and Plates
These materials are popular because they survive where other metals fail. We ensure our supply delivers the mechanical properties needed for long-term service.
Corrosion resistance: High chromium levels create a self-healing film that blocks rust and oxidation. This makes our stainless steel sheets & plates stay clean even in wet or humid factories.
High creep resistance: The metal maintains its shape and doesn’t stretch or deform under constant stress at high temperatures. It is vital for parts like boiler plates or exhaust systems.
Heat and oxidation resistance: Grades 310 and 321 specifically handle extreme heat without scaling or losing their core strength. They perform reliably in furnaces.
Excellent formability & weldability: You can bend, cut, or weld these sheets without the metal cracking or becoming brittle. This flexibility helps in complex fabrication.
High tensile & rupture strength: Our plates offer the muscle required to hold up heavy buildings or contain high-pressure fluids. Safety remains the priority.
Pitting and crevice corrosion resistance: Adding molybdenum to grades like 316L protects against salty water or harsh chemicals. It stops small holes from eating through the metal.
Stainless Steel Sheets and Plates Specification
The following specifications define dimensional limits, tolerances, and standards compliance for SS 253MA seamless tubes used in high-temperature service. Values align with ASTM and ASME requirements for heat-resistant stainless steel tubing.
Size : 1/4" to 4"
ASTM A240 / ASME SA240
Shim Sheet, Perforated Sheet, B. Q. Profile.
Shim Sheet, Perforated Sheet, B. Q. Profile.
4.0mm - 100mm
SS 304, 304L, 304H, 316, 316L, 316LN, 316Ti, 309, 310S, 317L, 321, 347, 409, 410, 420, 430, 446, 202 Etc.
SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS
Hot rolled plate (HR), Cold rolled sheet (CR), 2B, 2D, BA NO(8), SATIN (Met with Plastic Coated)
Technical Details & Delivery Condition
| Steel Grade | Bendability: Bending Angle | Proof Stress (N/mm² MIN.) | Bendability: Inside Radius | Tensile Stress (N/mm² MIN.) | HRB MAX. Hardness | % MIN. Elongation | HBW MAX. Hardness |
|---|---|---|---|---|---|---|---|
| S30400 / SUS304 | No Require | 205 | – | 515 | 92 | 40 | 201 |
| S30100 | No Require | 205 | – | 515 | 95 | 40 | 217 |
| S31008 | No Require | 205 | – | 515 | 95 | 40 | 217 |
| S43000 / SUS430 | 180° | 205 | 1.0 x thickness | 450 | 88/89 | 22/22A | 183 |
| S30403 / SUS304L | No Require | 170 | – | 485 | 90/92 | 40 | 201 |
| S32100 | No Require | 205 | – | 515 | 95 | 40 | 217 |
| S31603 / SUS316L | No Require | 170 | – | 485 | 90/95 | 40 | 217 |
| S41000 | 180° | 205 | – | 450 | 96 | 20 | 217 |
Industrial Applications of Stainless Steel Sheets and Plates
Why Choose Midland Alloys as Your Stainless Steel Sheets & Plates Manufacturer?
Choosing Midland Alloys implies working with a technically aligned partner who knows how material decisions impact the whole supply chain. As an experienced manufacturer and supplier of stainless steel sheets and plates, we maintain tight tolerances, complete heat traceability, and ISO-certified quality processes that guide production and inspection every day. Our large ready stock of SS sheets and plates allows fast dispatch for both custom-cut requirements and large refinery or infrastructure orders, supported by in-house laser, plasma, and waterjet cutting for accurate finishing. Each shipment moves with complete mill test certification, clear labelling, and protective packing to prevent surface damage in transit. Backed by controlled logistics across India and international markets, we maintain production schedules on track, while our technical team helps in selecting the right grade for the product, whether a flat plate or an SA249 Tube suits the application better.
