Latham Steel, a reputable manufacturer and supplier based in Hamilton, New Zealand, specializes in high-quality Pressure Vessel Steel sheets and plates designed for demanding industrial settings that involve high pressure, high temperatures, and corrosive conditions. These steels are meticulously crafted to comply with rigorous international standards for pressure-retaining equipment, ensuring they offer outstanding weldability, impressive strength, and dependable toughness. Latham Steel guarantees precise dimensions, superior surface quality, and consistent mechanical performance across all supplied grades. Pressure Vessel Steel plates find extensive use in constructing boilers, reactors, storage tanks, and heat exchangers, providing long-lasting safety, durability, and stability in challenging operational environments.
Pressure Vessel Steel is composed of carefully controlled amounts of carbon, manganese, silicon, phosphorus, and sulfur, with optional alloying elements like chromium, nickel, or molybdenum depending on the specific grade. These steels boast strong tensile and yield properties, remarkable notch toughness, and good ductility. Many grades are subjected to normalization or heat treatment to enhance their grain structure and mechanical stability. They exhibit excellent resistance to brittle fracture, thermal stress, and corrosion. With the right welding techniques, they are ideal for thick-wall and complex pressure-retaining structures that demand high reliability under varying pressure and temperature conditions.
| Grade | Pressure Vessel Plates |
| Length | Up to 18,000 mm |
| Thickness | From 3 mm to 250 mm |
| Width | to 4,500 mm |
| Production | Hot-Rolled (HR) |
| Heat Treatment | Normalised/ Rolled /QT/N+T |
| Composition | Percentage % | Composition | Percentage % |
|---|---|---|---|
| Ni | 0.6 | Si | 0.3 |
| Cu | 0.10/ 0.22 | C | 0.3 |
| Ti | 0.03 | S | 0.03 |
| Nb | 0.03 | P | 0.01 |
| Mo | 1/ 1.7 | Mn | 0.08 |
| V | 0.02 | Al | 0.02 |
| 0.3 | Cr |
| A516 | GRADE 65 | GRADE 60 | GRADE 70 | GRADE 55 |
| YIELD (KSI) | 35 | 32 | 38 | 30 |
| TENSILE (KSI) | 65-85 | 60-80 | 70-90 | 55-75 |
| ELONGATION (200 MM) | 19 | 21 | 17 | 23 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Pressure Vessel Steel sheets and plates are essential in industries where materials must reliably endure internal pressure, heat, and corrosive environments. They are commonly found in applications such as boilers, industrial pressure vessels, heat exchangers, steam drums, storage tanks, separators, and gas-processing units. These materials are widely utilized in sectors like oil and gas, petrochemical plants, refineries, power generation facilities, chemical processing units, and fertilizer production.
Latham Steel is a leading manufacturer, supplier and exporter of high-quality Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel products. Our extensive product range includes Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates, catering to various industries in Hamilton, New Zealand.
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