From the heart of Hamilton’s industrial landscape, Latham Steel stands as a trusted manufacturer and supplier, providing robust solutions for demanding projects across New Zealand and beyond. We specialise in high-performance materials, with a particular expertise in ASME SA 387 Grade 91 Class 1 & 2 sheets and plates. Our commitment is to deliver not just product, but reliable partnership, ensuring you receive material of the highest integrity, backed by our deep technical knowledge and a dedication to supporting local industry with world-class steel.
This chrome-molybdenum alloy is strengthened with vanadium and niobium, creating a material known for its exceptional strength at elevated temperatures. Its key mechanical properties include excellent tensile and yield strength, along with outstanding creep resistance, which allows it to perform reliably under high stress and heat. This combination makes it a superior choice over standard carbon steels, capable of maintaining its structural integrity in the most challenging thermal environments where other materials would fail.
| Standard | ASTM A387 / ASME SA387 |
|---|---|
| Width | 1000mm-3000mm |
| Thickness | 1.0mm – 200mm |
| Production | Hot-Rolled (HR) / Cold-Rolled (CR) |
| Grade | C | Ni | Mn | S | V | Al | Si | Nb | Cr | Mo | Nitrogen | P |
| A387 GR.91 CL.1 & 2 | 0.06-0.15 max | 0.43 max | 0.25-0.66 max | 0.012 max | 0.16-0.27 max | 0.05 max | 0.18-0.56 max | 0.05-0.11 max | 7.90-9.60 max | 0.80-1.10 max | 0.025-0.080 max | 0.025 max |
| Grade | A387 GR.91 CL.1 &2 | |||
| A387 GR.91 CL.1 &2 | Thickness mm | Yield Min Mpa | Tensile Mpa | Elongation Min % |
| t≦50 | 415 | 585-760 | 18 | |
| 50<t≦200 | – | – | – | |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Jaxon Steel is a trusted manufacturer and supplier of high-quality ASME SA 387 Grade 91 Class 1/2 Sheet and Plates in Hamilton, New Zealand. We specialize in premium steel products, including Alloy Steel, Carbon Steel, Mild Steel and Galvanized Steel, with a strong focus on Carbon Steel Sheet and Plates. Our extensive inventory also includes Pipes, Tubes, Flanges, Forged Fittings and Bars. Committed to fast delivery and exceptional customer service, we use only the finest raw materials to ensure superior strength, durability and performance for critical industrial applications. Contact us today for all your ASME SA 387 Grade 91 Class 1/2 Sheet and Plates needs!
These properties make Grade 91 Class 1 & 2 plates indispensable in heavy industry. You will typically find them in the high-temperature sections of power generation boilers, pressure vessels, and critical piping systems that operate under intense heat and pressure. They are also essential in petroleum refining, chemical processing plants, and other industrial settings where long-term durability and safety at elevated temperatures are non-negotiable, ensuring the integrity and efficiency of vital infrastructure for years to come.
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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