Sheets and plates are flat-rolled metal products commonly used in a variety of industries, including construction, automotive, aerospace, and manufacturing. The primary difference between sheets and plates lies in their thickness: sheets are generally thinner, typically less than 6mm thick, while plates are thicker, often exceeding 6mm. These products are available in a range of materials, including carbon steel, stainless steel, aluminum, and alloys, each offering unique properties such as strength, durability, and resistance to corrosion.
Steel sheets and plates are used in applications where strength and toughness are crucial, such as structural components, pressure vessels, and machinery parts. Stainless steel sheets and plates, with their excellent resistance to rust and staining, are commonly used in environments exposed to moisture, chemicals, and high temperatures, making them ideal for use in industries like food processing, chemical processing, and marine construction. Aluminum sheets and plates are lightweight, corrosion-resistant, and highly workable, making them popular in the transportation, aerospace, and architectural sectors.
Sheets and plates are produced in various finishes, such as polished, brushed, or matte, depending on the aesthetic and functional requirements. They are often cut, bent, welded, or otherwise formed to meet specific design needs in both industrial and commercial projects. The material grade and specification of sheets and plates are critical in ensuring they meet the mechanical and chemical properties required for their intended application, with standards like ASTM, ASME, and EN governing their quality and performance.
Sheet and Plate Sizes:
1) Sheet Thickness:
★ Sheet Metal: Typically up to 6 mm in thickness.
★ Plate Metal: Thickness greater than 6 mm.
★ Gauge System: Often used to define the thickness of thinner sheets (e.g., 20 gauge, 16 gauge, etc.).
2) Common Thickness:
★ Standard Sheets: 0.5 mm to 6 mm thick.
★ Standard Plates: 6 mm to 100 mm thick.
★ Heavy Plates: Above 100 mm.
3) Standard Widths:
★ 1000 mm (1 meter).
★ 1220 mm (4 feet).
★ 1500 mm (5 feet).
★ 2000 mm (2 meters).
4) Standard Lengths:
★ 2000 mm (2 meters).
★ 2440 mm (8 feet).
★ 3000 mm (10 feet).
★ 6000 mm (20 feet).
5) Custom Sizes: Plates can be supplied in custom lengths, widths, and thicknesses for specific applications.
Material | Grade | Thickness Range (mm) | Width Range (mm) | Standards | Yield Strength (MPa) | Tensile Strength (MPa) | Applications |
---|---|---|---|---|---|---|---|
Carbon Steel | ASTM A36 | 1.5 - 150 | 1000 - 3500 | ASTM A36, ASME SA36 | 250 | 400 - 550 | Structural components, bridges, machinery |
Carbon Steel | ASTM A516 Gr 60/65/70 | 6 - 150 | 1500 - 3000 | ASTM A516, ASME SA516 | 260 - 275 | 415 - 485 | Pressure vessels, boilers, storage tanks |
Stainless Steel | ASTM A240 Type 304/304L | 0.5 - 100 | 1000 - 2000 | ASTM A240, ASME SA240 | 205 | 515 | Food processing, chemical equipment, architectural |
Stainless Steel | ASTM A240 Type 316/316L | 0.5 - 100 | 1000 - 2000 | ASTM A240, ASME SA240 | 205 | 515 | Marine applications, pharmaceutical, chemical tanks |
Aluminum | 5052 H32 | 0.5 - 150 | 1000 - 2500 | ASTM B209 | 193 | 228 | Marine, automotive, pressure vessels, fuel tanks |
Aluminum | 6061 T6 | 0.5 - 150 | 1000 - 2500 | ASTM B209 | 276 | 310 | Aerospace, transportation, construction |
Alloy Steel | ASTM A387 Gr 11/12/22 | 6 - 150 | 1500 - 3200 | ASTM A387, ASME SA387 | 275 - 450 | 485 - 585 | High-temperature service, boilers, pressure vessels |
Duplex Stainless Steel | S31803/S32205 | 0.5 - 100 | 1000 - 2000 | ASTM A240, ASME SA240 | 450 | 620 | Oil and gas, chemical plants, desalination plants |
Super Duplex SS | UNS S32750/S32760 | 0.5 - 100 | 1000 - 2000 | ASTM A240, ASME SA240 | 550 | 795 | Offshore platforms, chemical processing, seawater equipment |
Inconel | Alloy 625 | 1 - 100 | 1000 - 2000 | ASTM B443, ASME SB443 | 414 | 827 | Heat exchangers, aerospace, chemical processing |
Inconel | Alloy 718 | 1 - 50 | 1000 - 1500 | ASTM B670, ASME SB670 | 1034 | 1379 | Gas turbines, jet engines, nuclear reactors |
Corten Steel | ASTM A588 | 2 - 100 | 1500 - 3000 | ASTM A588, ASME SA588 | 345 | 485 | Weathering steel for architectural, bridge construction |
Nickel Alloy | Monel 400 | 1.5 - 100 | 1000 - 2000 | ASTM B127 | 240 | 550 | Marine engineering, chemical, and hydrocarbon processing |
Titanium | Grade 2 | 0.5 - 75 | 1000 - 2000 | ASTM B265, ASME SB265 | 275 | 345 | Aerospace, medical implants, chemical processing |