Latham Steel, a trusted manufacturer and supplier located in Hamilton, New Zealand, specializes in high-quality Shipbuilding Steel Sheets and Plates tailored for marine, offshore, and heavy structural applications. Renowned for providing materials that comply with rigorous international shipbuilding standards like ABS, DNV, LR, and BV, Latham Steel guarantees outstanding durability, weldability, and resistance to corrosion. These plates are crafted to endure the harsh conditions of the ocean, handle impact loads, and withstand the demanding stresses found in ship hulls and marine equipment. With a commitment to consistent quality control and reliable supply, Latham Steel serves shipyards, marine engineering firms, and offshore industries throughout New Zealand with dependable steel solutions.
Shipbuilding Steel Sheets and Plates are generally made from low-carbon, high-strength structural steel, featuring controlled amounts of carbon, manganese, silicon, and micro-alloying elements such as niobium, vanadium, or titanium. This specific composition provides excellent weldability, ductility, and impact resistance, even in low temperatures. The mechanical properties include high tensile and yield strength, good toughness, and exceptional resistance to fractures under dynamic loads. These steels are designed to maintain structural integrity in challenging marine conditions and are engineered to meet the requirements set by classification societies for strength, durability, and long-lasting performance in ships and offshore structures.
Weight | Up to 40 ton |
| Width | 1500-4000 |
| Thickness | 4-200 mm |
grades | EH36, DH36, AH36, DH32, E32, A40, B, EH32, E36, A36, F40, D40, E, AH40, E40, A, A32, DH40, D36, D, AH32, EH40, D32, and their equivalents |
| Length | Up to 20000 |
| Delivery condition | quenched and tempered, Hot-rolled, normalised rolled or normalised, thermomechanically rolled |
| Grade | C%≤ | Al % | Mn % | p % ≤ | S % ≤ | Si % | Nb % | V % |
|---|---|---|---|---|---|---|---|---|
| D32 A32 E32 | 0.18 | ≥0.015 | 0.70~1.60 0.90~1.60 0.90~1.60 | 0.04 | 0.04 | 0.10~0.50 | — | — |
| A | 0.22 | — | ≥ 2.5C | 0.04 | 0.40 | 0.10~0.35 | — | — |
| B | 0.21 | — | 0.60~1.00 | 0.04 | 0.40 | 0.10~0.35 | — | — |
| E | 0.18 | ≥0.015 | 0.70~1.20 | 0.04 | 0.04 | 0.10~0.35 | — | |
| D36 A36 E36 | 0.18 | ≥0.015 | 0.70~1.60 0.90~1.60 0.90~1.60 | 0.04 | 0.04 | 0.10~0.50 | 0.015~0.050 | 0.030~0.10 |
| D | 0.21 | ≥0.015 | 0.60~1.00 | 0.04 | 0.04 | 0.10~0.35 | — | — |
| Grade | Yieldpoint (Mpa) ≥ | Tensile Strength (Mpa) | Elongation （%）≥ | cold bend test | Thickness (mm) | V-impact test | |||
|---|---|---|---|---|---|---|---|---|---|
| b=5a 120° | b=2a 180° | Temperature （℃） | Average AKV A kv /J | ||||||
| lengthways | crosswise | ||||||||
| ≥ | |||||||||
| A | 235 | 400~490 | 22 | — | d=2a | ≤50 mm | — | — | — |
| B | d=3a | — | 0 | 27 | 20 | ||||
| D | -10 | ||||||||
| E | -40 | ||||||||
| A32 | 315 | 440~590 | 22 | d=3a | — | ≤50 mm | 0 | 31 | 22 |
| D32 | -20 | ||||||||
| E32 | -40 | ||||||||
| A36 | 355 | 490~620 | 21 | d=3a | — | ≤50 mm | 0 | 34 | 24 |
| D36 | -20 | ||||||||
| E36 | -40 | ||||||||
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Latham Steel is one of the most prominent manufacturers and suppliers of superior quality Shipbuilding Steel Sheet and Plate in Hamilton, New Zealand. As experts in steel solutions, we supply a complete spectrum of products like Carbon Steel, Alloy Steel, Mild Steel, and Galvanized Steel. Our product range comprises Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets, and Plates. Known for our reliable delivery and first-rate customer service, we are committed to supplying high-quality steel materials that guarantee durability and excellent performance in numerous industrial applications.
| Grade | Maximum Thickness (mm) | Standard | Minimum Thickness (mm) |
|---|---|---|---|
| EH36 | 150 mm | Lloyds Register | 5 mm |
| AH36 | 150 mm | Lloyds Register | 5 mm |
| Grade A | 150 mm | Lloyds Register | 5 mm |
| DH36 | 150 mm | Lloyds Register | 5 mm |
| theoretical weight | Thickness (mm) | Thickness (mm) | theoretical weight | ||
|---|---|---|---|---|---|
| Kg/m2 | Kg/ft2 | Kg/m2 | Kg/ ft2 | ||
| 47.10 | 4.376 Kg/ft2 | 6 | 25 | 196.25 | 18.962 Kg/ ft2 |
| 54.95 | 5.105 Kg/ft2 | 7 | 26 | 204.10 | 20.420 Kg/ ft2 |
| 86.35 | 8.751 Kg/ft2 | 11 | 32 | 251.20 | 25.525 Kg/ ft2 |
| 172.70 | 16.044 Kg/ft2 | 22 | 50 | 392.50 | 36.464 Kg/ ft2 |
| 62.80 | 5.834 Kg/ft2 | 8 | 28 | 219.80 | 21.879 Kg/ ft2 |
| 157.00 | 14.586 Kg/ft2 | 20 | 48 mm | 376.80 | 35.006 Kg/ ft2 |
| 78.50 | 7.293 Kg/ft2 | 10 | 30 mm | 235.50 | 23.337 Kg/ ft2 |
| 94.20 | 10.21 Kg/ft2 | 12 | 34 mm | 266.90 | 26.254 Kg/ ft2 |
| 125.60 | 11.669 Kg/ft2 | 16 | 40 mm | 314.00 | 29.172 Kg/ ft2 |
| 141.30 | 13.127 Kg/ft2 | 18 | 45 mm | 353.25 | 32.818 Kg/ ft2 |
| 109.90 | 10.939 Kg/ft2 | 14 | 35 mm | 274.75 | 27.713 Kg/ ft2 |
| 188.40 | 18.232 Kg/ft2 | 24 | |||
| Max. width | Thickness |
|---|---|
| Grade A | From to up to |
| 1370 | 1.70 to 1.80 |
| 1280 | 1.60 to 1.70 |
| 1440 | 1.80 to 1.90 |
| 1520 | 1.90 to 2.00 |
| 1170 | 1.49 to 1.60 |
| 2070 | 12.70 to 20.00 |
| 1590 | 2.00 to 2.20 |
| 1730 | 2.20 to 2.40 |
| 1880 | 2.60 to 2.80 |
| 1960 | 2.80 to 3.12 |
| 1800 | 2.40 to 2.60 |
| 2070 | 3.12 to 12.70 |
Shipbuilding Steel Sheets and Plates find extensive use in constructing ships, marine vessels, and offshore structures due to their impressive strength, corrosion resistance, and durability. They are commonly utilized in hull fabrication, decks, bulkheads, cargo holds, structural frames, and engine room foundations. Offshore platforms, oil rigs, floating docks, and marine support structures also depend on these plates for reliable performance in saltwater environments.
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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