An ISO 9001:2008 Certified Company, Metline Industries (Steel Plates, Sheets and Coil Division) is a leading stockholder, supplier and exporter of ASTM A240 304/304L Stainless Steel Sheets. ASTM A240 304/304L Stainless Steel Sheets are cut to your specifications and supplied with complete set of mill test reports. Custom length and width up to 2000 mm can be made available. Exports is Our Specialty! and we can source many hard to find grades and or non-standards sizes to meet the special requirements of our customers. All ASTM A240 304/304L Stainless Steel Sheets can be cut to size with the help of our extensive expertise in processing steel plate products.
SS 304, SS 304L, SS 316 and SS 316L Stainless Steel Sheets are the most popular and economical grades of stainless steels. Stainless steel 304/304L sheets and stainless steel 316/316L sheets, along with Duplex stainless steel sheets offer good corrosion resistance to many chemical environments as well as marine and industrial exposures.
Brand: Indian Origin, European Origin, Japanese Origin, US Origin, Korea Origin, Thailand Origin, Taiwan Origin
Manufacturer: POSCO, Aperam, Jindal Stainless, DKC Korea, Thyssenkrup, Baosteel, TISCO, SAIL, VDM, Nippon Metal
Size Range: 0.5mm to 5.0 mm in width of 1000mm, 1250mm, 1500mm, 2000mm, 2500mm
ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
The ASTM A240 specification covers chromium, chromium-nickel, and chromium-manganese-nickel stainless steel plate, sheet, and strip for pressure vessels and for general applications. The steel shall conform to the requirements as to chemical composition specified. The material shall conform to the mechanical properties specified.
| STAINLESS STEEL | TRADENAME | UNS NO. | WERKSTOFF NO | DENSITY (G/CM3) |
| 304 | 304 Stainless | S30400 | 1.4301 | 8 |
| 304L | 304L Stainless | S30403 | 1.4307 | 8 |
| 304H | 304H Stainless | S30409 | 1.4948 | 8 |
| 304LN | 304LN Stainless | S30453 | 1.4311 | 8 |
This grade is commonly known as “18-8” stainless steel, as it contains 18% chromium and 8% Nickel. 304 stainless steels are widely used to resists ordinary rusting in most applications. Metline Industries is one of the most trusted stockholder of stainless steel 304 plates and stainless steel 304L plates.
From standard to special finishes, our specialty is to supply stainless steel 304 plates in No.1 hot rolled mill finish. SS 304 No.1 finish plates are readily available in stock for supply to equipment manufacturing companies.
From standard to special finishes, our specialty is to supply 304 sheets in various finishes including 2B, No.4, BA, Mirror and other with or without protective coating. Stainless steel 304 BA sheets and 304 No.4 finish sheets are readily available in stock for supply to refrigeration equipment manufacturing companies.
Grade 304L is widely used by the fabrication industry and all standard welding techniques can be used on 304L plates and 304L pipes. The “L” in 304L stands for “Low Carbon Content”, indicating a maximum carbon content of 0.035%. The “H” in 304H stands for “High Carbon Content”, indicating carbon content of not less than 0.04% and not more than 0.10%.
The tensile and yield strength of 304H stainless steel is greater than 304L, as the higher carbon content increases its strength. Stainless steel 304H grade pipes and plates are widely used for manufacturing boilers, pressure vessels and heat exchangers for fertilizer plants, chemical plants, petroleum refineries, and power generation plants.
Stainless Steel 304, 304L, 304H Specifications
304, 304L, 304H Plates, Sheet, Coil, and Strip: ASTM A240
304, 304L, 304H Bars, Rods, Wire: ASTM A276
304, 304L, 304H Seamless & Welded Pipe and Tubes: ASTM A312, ASTM A213, ASTM A249
304, 304L, 304H Butt-weld Fittings & Flanges: ASTM A403, ASTM A182
304, 304L, 304H Forgings: ASTM A182
Stainless Steel 304 Sheets Chemical Composition %
| C | MN | SI | P | S | CR | NI | FE |
| 0.08 max. | 2.00 max. | 1.00 max | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 8.0 – 10.5 | Balance |
Stainless Steel 304L Sheets Chemical Composition, %
| C | MN | SI | P | S | CR | NI | FE |
| 0.03 max. | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 8.0 – 12.0 | Balance |
Stainless Steel 304H Chemical Composition, %
| C | MN | SI | P | S | CR | NI | FE |
| 0.04-0.10 | 2.00 max. | 1.00 max. | 0.045 max. | 0.03 max. | 18.0 – 20.0 | 8.0 – 12.0 | Balance |
Physical & Mechanical Properties of Stainless Steel 304, 304L, 304H
| | 304 | 304L | 304H |
| Density | 8 | 8 | 8 |
| Melting Range,℃ | 1400 ℃ | 1400 ℃ | 1400 ℃ |
| Elongation % | 40 | 40 | 40 |
| Tensile Strength (Mpa) | 515 | 485 | 515 |
| Yield Strength (Mpa) | 205 | 170 | 205 |
| Hardness (Brinell) | 201 | 201 | 201 |
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