| General Structural Carbon Steel Plate | ASTM A36 | Minimum yield strength: approximately 250 MPa; tensile strength: approximately 400–550 MPa. | 6–150 mm, subject to mill capability and applicable specification limits. | Frames, brackets, platforms, base plates, general fabrication. | Thickness, length and width tolerance, flatness, cut-edge condition, surface class and hole pattern. | Material test certificate, heat number traceability, chemical analysis, tensile test and dimensional inspection report. |
| High-Strength Low-Alloy Structural Plate | ASTM A572 Grade 50 | Minimum yield strength: approximately 345 MPa; minimum tensile strength: approximately 450 MPa. | 6–100 mm for many structural orders; confirm the certified thickness range before purchase. | Load-bearing structures, bridges, cranes, transportation equipment and heavy fabrication. | Specified grade, normalized or controlled-rolled condition, weldability, notch toughness and maximum carbon equivalent. | Certified mill test report, chemical composition, tensile results, impact results where ordered and ultrasonic test report where required. |
| Pressure Vessel and Boiler Plate | ASTM A516 Grade 70 | Minimum yield strength: approximately 260 MPa; tensile strength: approximately 485–620 MPa. | 6–200 mm, depending on vessel design and qualified production route. | Pressure vessels, storage tanks, boilers and process equipment. | Normalized condition, design temperature, impact-test temperature, thickness tolerance, weldability and forming requirements. | Pressure-vessel material certificate, heat treatment record, tensile and impact tests, chemistry report and third-party inspection record if specified. |
| European Structural Steel Plate | EN 10025-2 S355JR / S355J2 | For thickness up to 16 mm, minimum yield strength is approximately 355 MPa; tensile strength is typically 470–630 MPa. Impact requirements differ between JR and J2. | 6–150 mm, with yield values reducing at greater thicknesses under the standard. | Steel structures, machinery, bridges, platforms and welded assemblies. | JR or J2 impact class, delivery condition, EN dimensional tolerances, weld preparation and surface quality. | EN 10204 3.1 certificate, chemical analysis, tensile test, Charpy impact test and dimensional inspection report. |
| Offshore Structural Plate | API Specification 2W Grade 50 | Minimum yield strength: approximately 345 MPa; minimum tensile strength: approximately 485 MPa, with additional toughness and fabrication controls. | Commonly ordered in approximately 6–100 mm, subject to project qualification. | Offshore structures, marine support frames, jackets and exposed welded structures. | Design temperature, Charpy impact energy, through-thickness properties, weldability, delivery condition and NDT scope. | Heat certificate, qualification records, impact-test results, ultrasonic examination report and approved inspection plan. |
| High-Yield Quenched and Tempered Plate | EN 10025-6 S690QL | For thickness up to 50 mm, minimum yield strength is approximately 690 MPa; tensile strength is typically 770–940 MPa. | 6–80 mm, depending on thickness-dependent mechanical requirements. | Cranes, lifting equipment, mobile machinery and weight-sensitive structures. | Quenched-and-tempered condition, minimum preheat, welding procedure qualification, impact class and forming limitations. | EN 10204 3.1 certificate, heat-treatment record, tensile and Charpy tests, hardness results and weldability documentation. |
| Wear-Resistant Plate | Abrasion-resistant grade such as AR400, AR450 or AR500; exact requirements must be defined by the applicable supplier specification. | Nominal Brinell hardness commonly around 400, 450 or 500 HBW; actual limits depend on the ordered specification. | 4–100 mm, with hardness and flatness dependent on thickness and heat treatment. | Dump bodies, hoppers, chutes, liners, conveyors and mining equipment. | Hardness range, impact toughness, plate thickness, cutting method, minimum bend radius and welding consumable requirements. | Hardness map, chemical composition, heat-treatment record, dimensional report and ultrasonic test when specified. |
| Weathering Structural Steel Plate | ASTM A588 Grade 50 or equivalent atmospheric-corrosion-resistant structural specification | Minimum yield strength is commonly approximately 345 MPa; tensile strength is commonly approximately 485 MPa minimum, subject to thickness and grade. | 6–100 mm, subject to the selected grade and dimensional standard. | Bridges, façades, rail structures, outdoor frames and architectural steelwork. | Atmospheric exposure category, copper-chromium-nickel alloy limits, surface appearance, welding procedure and drainage design. | Mill certificate, alloy chemistry report, tensile test, dimensional inspection and surface-condition record. |
| Shipbuilding and Marine Plate | Classification-society marine structural grades, such as ordinary-strength or higher-strength grades | Common higher-strength marine grades use yield levels around 315–355 MPa, depending on grade and thickness; toughness requirements are classification-specific. | 6–80 mm for many marine structures; project rules may permit different ranges. | Ship hulls, decks, bulkheads, offshore support structures and marine equipment. | Grade notation, impact temperature, approved manufacturing route, surface quality, weldability and classification inspection. | Classification certificate, material certificate, heat traceability, impact tests, ultrasonic report and approved inspection documentation. |
