Stainless Steel Plates and Sheets
Stainless steel plates and sheets are flat-rolled products, which are designed to be strong, resistant to corrosion and to remain stable in terms of their dimensions in the harsh industrial conditions. The products find extensive applications in fabrication, pressure vessel, storage tanks, heat exchangers, structural application where reliability is critical over a long time.
At Stellar Alloys, stainless steel plates and sheets are available in a complete assortment of grades, finishes, thicknesses, and standards to assist in meeting both a general industrial need and specific project peculiarities. Sources and processing of all materials are done in a manner that allows regular mechanical operation, chemical stability, and surface fineness.
Stellar Alloys, which is a reputed manufacturer and supplier of stainless steel plates and sheets in India, assists EPC contractors, fabricators, OEMs and exporters in their stock-on-hand and tailored supply requirements.
Table of Contents
- Stainless Steel Plates and Sheets Product Forms
- Stainless Steel Plates and Sheets Specifications
- Stainless Steel Grades Available
- Standard Specifications for Stainless Steel Plates and Sheets
- Chemical Composition Comparison
- Mechanical Properties
- Equivalent Grades
- Stainless Steel Plates and Sheets Price
- Key Applications of Stainless Steel Plates and Sheets
- Why Choose Stellar Alloys for Stainless Steel Plates and Sheets
- Frequently Asked Questions
Stainless Steel Plates and Sheets Product Forms

Stainless Steel Plates
Hot rolled stainless steel plates Cold rolled stainless steel plates ASTM A240 stainless steel plates ASME SA 240 stainless steel plates

Stainless Steel Sheets
Cold rolled stainless steel sheets Hot rolled stainless steel sheets ASTM A240 stainless steel sheets ASME SA 240 stainless steel sheets

Stainless Steel Shim Sheets
Precision stainless steel shim sheets Thin gauge stainless steel sheets ASTM A240 stainless steel shim sheets

Stainless Steel Chequered Plates
Stainless steel chequered floor plates ASTM A240 stainless steel chequered plates
Stainless Steel Plates and Sheets Specifications
Dimensional Specifications
Parameter | Range |
Thickness | 0.3 mm to 100 mm |
Width | 1000 mm to 2500 mm |
Length | 2000 mm to 6000 mm |
Custom Sizes | Available on request |
Note: Sizes mentioned are indicative. Custom cut sizes can be supplied based on project requirements.
Surface Finishes Available
- 2B Finish
- BA Finish
- No.1 Finish
- Hairline Finish
- Mirror Finish
- Pickled Finish
- Matte Finish
Stainless Steel Grades Available
Stellar Alloys supplies stainless steel plates and sheets in all commercially used grades. Stock availability can be expanded as per demand.
Austenitic Stainless Steel Grades
- 304 / 304L
- 316 / 316L
- 310
- 321
- 347
- 904L
Ferritic and Martensitic Grades
- 410
- 430
Duplex and Super Duplex Grades
- Duplex Stainless Steel
- Super Duplex Stainless Steel
Standard Specifications for Stainless Steel Plates and Sheets
Product Form | ASTM Standard | ASME Standard |
Plates & Sheets | ASTM A240 | ASME SA 240 |
Shim Sheets | ASTM A240 | ASME SA 240 |
Chequered Plates | ASTM A240 | ASME SA 240 |
Chemical Composition Comparison
Grade | C | Cr | Ni | Mo |
304 | 0.08 max | 18–20 | 8–10.5 | – |
316 | 0.08 max | 16–18 | 10–14 | 2–3 |
310 | 0.25 max | 24–26 | 19–22 | – |
321 | 0.08 max | 17–19 | 9–12 | – |
904L | 0.02 max | 19–23 | 23–28 | 4–5 |
Mechanical Properties
Grade | Tensile Strength | Yield Strength | Elongation |
304 | 515 MPa | 205 MPa | 40% |
316 | 515 MPa | 205 MPa | 40% |
310 | 520 MPa | 205 MPa | 40% |
904L | 490 MPa | 220 MPa | 35% |
Equivalent Grades
Grade | UNS | EN |
304 | S30400 | 1.4301 |
316 | S31600 | 1.4401 |
310 | S31000 | 1.4845 |
321 | S32100 | 1.4541 |
904L | N08904 | 1.4539 |
Stainless Steel Plates and Sheets Price
Product | Price Range |
Stainless Steel Sheets | Request Quote |
Stainless Steel Plates | Request Quote |
Stainless Steel Shim Sheets | Request Quote |
Stainless Steel Chequered Plates | Request Quote |
Key Applications of Stainless Steel Plates and Sheets

Stainless steel plates and sheets are widely used across industries due to their corrosion resistance, strength, and fabrication flexibility.
- Chemical processing equipment
- Oil and gas storage tanks
- Heat exchangers and pressure vessels
- Power generation plants
- Food processing equipment
- Architectural and structural fabrication
- Marine and offshore applications
Why Choose Stellar Alloys for Stainless Steel Plates and Sheets
Stellar Alloys is a reliable supplier of stainless steel flat goods in important industrial applications. We do not merely look at the availability of stocks, but also on the reliability of materials, compliance, and suitability of application.
Stainless steel plates and sheets are all provided with full traceability and Mill Test Certificates and with optional third party inspection. Our inventory policy enables quick response to standard sizes and also allows non-standard thickness, finishes, and grades to be sourced on custom basis.
The engineering staff and procurement specialists like Stellar Alloys due to our technical knowledge on ASTM and ASME standards, standard quality control and export packaging. We are able to reduce project delays and material risks with global logistics capability and responsive customer care.
Quality Assurance and Testing
- Positive Material Identification
- Chemical Analysis
- Mechanical Testing
- Ultrasonic Testing
- Dimensional Inspection
- Surface Finish Inspection
Stock Availability
Stellar Alloys maintains ready stock of commonly used stainless steel plates and sheets. Additional grades and sizes can be arranged on demand.
- Stainless Steel 304 Plates
- Stainless Steel 316 Sheets
- Duplex Stainless Steel Plates
Related Products
- Stainless Steel Pipes
- Stainless Steel Tubes
- Duplex Steel Products
- Nickel Alloy Plates
- Hastelloy Plates and Sheets
Frequently Asked Questions
Thin sheets of stainless steel are offered as fabrication and cladding flat products, whereas stainless steel plates are thicker and are needed in structural, pressure, and heavy-duty industrial purposes.
Some of the typical grades used are 304, 304L, 316, 316L, 310, 321, 347, 410, 430 and 904L, depending on the requirements of corrosion, temperature exposure and fabrication.
Stainless steel plates and sheets are manufactured according to ASTM A240 and supplied under ASME SA 240, ensuring controlled chemical composition and mechanical properties.
Stainless steel sheets are generally supplied between 0.3 mm to 6 mm whereas stainless steel plates are supplied between 6 mm to 100 mm with custom-made thicknesses by request.
The finishes provided are 2B, BA, No.1, Hairline, Mirror, Pickled and Matte finishes depending on grade, thickness and application needs.
Yes, the majority of stainless steel grades provided as plates and sheets can be highly welded and shaped with the help of appropriate welding techniques and filler metal.
Each plate and sheet of stainless steel comes with Mill Test Certificates (EN 10204 3.1), and third-party inspection may be requested at will.
