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Wiraphan Sheets and Plates, located in Bangkok, Thailand, stands out as a top manufacturer and supplier of boiler and pressure vessel steel, including the well-regarded SA285 Grade C Sheets and Plates. Tailored for low- to intermediate-pressure applications, SA285 Gr C steel is a carbon steel known for its excellent weldability, ductility, and ease of fabrication. Wiraphan offers SA285 Gr C plates in a variety of sizes and thicknesses, all compliant with ASME standards to ensure consistent quality. These plates are perfect for industries like oil & gas, power generation, and chemical processing, where dependable and cost-effective pressure vessel steel is crucial.
SA285 Grade C Sheets and Plates are classified as non-alloy pressure vessel quality steel, boasting a maximum tensile strength of 515 MPa and a minimum yield strength of 205 MPa. The chemical makeup includes Carbon (≤0.28%), Manganese (0.50–1.00%), Phosphorus (≤0.035%), and Sulfur (≤0.035%). With their good forming and welding characteristics, SA285 Gr C is ideal for low-pressure applications that don’t require high-strength materials but still need to maintain structural integrity and durability.
Grade : Pressure Vessel Plates, Carbon Steel, Low- and Intermediate-Tensile Strength – SA285 Gr.C
Width : 1000mm-4500mm
Thickness : 5mm-300mm
Length : 3000mm-18000mm
Production : Hot-Rolled (HR)
Heat Treatment : Rolled / Normalised/N+T/QT
| C | Mn | P | S | Si | Cu | Al | Cr | Ni | Mo | Nb | Ti |
| 0.16 | 0.4/1.2 | 0.03 | 0.03 | 0.35 | 0.3 | 0.02 | 0.3 | 0.3 | 0.08 | 0.01 | 0.03 |
| Tensile strength | Yield strength, min | Elongation in under [50mm] |
| 380-515 MPa | 205 MPa | 27% min |
| ASTM/ASME | ME British Standard | European Norm | Japan | Spain |
| A/SA285 – Grade C | 161 Gr.360/164 Gr.360 | P235GH | SPV 24 | A 37 RCI |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
SA285 Grade C Boiler Sheet and Plate offer excellent weldability, making them ideal for pressure vessel and boiler fabrication. They provide good strength and toughness, ensuring durability under high pressure and temperatures. The material is also corrosion-resistant, enhancing its longevity in industrial applications. Its low carbon content ensures ease of forming and machining. SA285 Grade C is commonly used to manufacture tanks, heat exchangers, and other pressure-related equipment, offering cost-effectiveness without compromising performance or reliability.
These SA285 Grade C Boiler Sheets and Plates are commonly used in the construction of boilers, storage tanks, low-pressure vessels, and heat exchangers. Their outstanding weldability and formability make them a go-to choice for construction projects and industrial applications where manufacturing ease is key. You’ll often find these plates in atmospheric tanks, refinery vessels, and gas processing equipment. Thanks to their reliable performance in non-critical pressure settings, SA285 Gr C plates are a favorite among engineers and fabricators looking for trustworthy, economical steel solutions.
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Bangkok, Thailand
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