SA516 Grade 70/485 carbon steel plate

High-strength carbon steel plate manufactured to ASME SA516 Grade 70 (often referenced as Grade 485), engineered for welded pressure-vessel applications that require improved notch toughness at medium and low service temperatures.

Key features

• Standard: ASME SA516 Grade 70 / Grade 485
• Thickness range: 5 – 205 mm
• Widths: 1,500 – 2,500 mm
• Lengths: 6,000 – 12,000 mm
• Manufacturing: hot-rolled (HR)
• Heat treatment options: rolled, normalized, normalized + tempered (N+T), quench + temper (QT)
• Common delivery conditions: hot rolling, controlled rolling, normalizing (additional treatments applied for thicker plates as required by specification)

Performance & suitability

• Designed for welded pressure vessels and components where fracture toughness and reliable performance at moderate and low temperatures are critical.
• Suitable for fabrication of boilers, pressure tanks, high-pressure piping, gas cylinders, hydropower components and petrochemical equipment.
• Good weldability and formability when processed per ASME/industry practice (follow appropriate preheat/post-weld heat treatment recommendations for thick sections).

Commercial notes

• Typical supply is hot-rolled plate in standard commercial widths and lengths; custom lengths, edge preparation and surface treatments can be supplied on request.
• Specify required heat treatment condition, thickness, and required test documentation (mill test reports, impact tests, etc.) at inquiry to ensure compliance with project requirements.

For project quotations and to confirm availability of exact sizes, tolerances, certification (MTR), and end-use qualification testing, provide required plate dimensions, heat-treatment condition and intended application.