Nestled in the heart of Hamilton, Latham Steel is a trusted partner for local industry, providing robust steel solutions that stand the test of time. We take pride in specializing in ASTM A537 grade steel sheets and plates, materials chosen for their exceptional strength and reliability in demanding environments. Our commitment goes beyond mere supply; we are dedicated to understanding your project’s unique challenges to ensure you receive the right material, backed by our local expertise and a focus on building enduring relationships with our clients.
ASTM A537 steel achieves its notable strength through a carefully balanced composition, primarily carbon and manganese, which is then enhanced by a heat treatment process. This treatment, known as quenching and tempering, transforms the steel, giving it excellent mechanical properties. The result is a material that offers a high yield strength, impressive toughness, and good weldability. This combination makes it far superior to standard carbon steels, especially when applications require resilience under pressure or in low temperatures.
| Condition | normalized |
| grade | ASTM A537 Cl 1 |
| sizes |
|
| Manufacturing method | Hot Rolled |
| certificates | EN 10204 3.1/2.2 |
| Brands | Thyssen, JSPL, Essar, JSW, POSCO, Clabecq, TATA, Dillinger, Uttam, SAIL |
| Uses |
|
| Surface | Painted, Natural |
| TPI | DNV, CE, TUV, KR, CCS, RINA, LR, GL, ABS |
| Mn | 0.70-1.60% |
| C | 0.24% |
| S Max. | 0.025% |
| Ph Max. | 0.025% |
| CU Max. | 0.35% |
| Si | 0.15-0.50% |
| CR Max. | 0.25% |
| NI Max. | 0.25% |
| MOLY Max. | 0.08% |
|  Heat Treatment | Class |  Thickness | Tensile Strength, minimum, ksi [MPa] | Yield Strength, minimum, ksi [MPa] |
|---|---|---|---|---|
| Q & T | Class 3 | 21/2Â in. & under [65 milimeter and under] | 80 ksi [550] | 55 ksi [380] |
| Over 4 inch [Over 100 milimeter] | 70 ksi [485] | 40 ksi [275] | ||
| Over 21/2Â to 4 inch [Over 65 to 100 milimeter] | 75 ksi [515] | 50 ksi [345] | ||
| Q & T | Class 2 | 21/2Â inch and under [65 milimeter and under] | 80 ksi [550] | 60 ksi [415] |
| Over 4 inch [Over 100 milimeter] | 70 ksi [485] | 46 ksi [315] | ||
| Over 21/2Â to 4 inch [Over 65 to 100 milimeter] | 75 ksi [515] | 55 ksi [380] | ||
| Normalized | Class 1 | 21/2Â inch and under [65 milimeter and under] | 70 ksi [485] | 50 ksi [345] |
| Over 21/2Â inch [Over 65 milimeter] | 65 ksi [450] | 45 ksi [310] |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The superior strength and toughness of ASTM A537 make it the material of choice for critical applications where safety and durability are non-negotiable. You will commonly find it used in the construction of large storage tanks, pressure vessels, and structural components for mining and heavy machinery. It is particularly valuable in off-shore structures and applications exposed to colder climates, as it maintains its integrity where lesser steels might become brittle. Essentially, it’s the go-to steel for projects that simply cannot afford to fail.
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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