Situated in the heart of Hamilton’s industrial sector, Latham Steel has built a strong reputation as a reliable partner for quality materials. We’re proud to supply durable Carbon Steel A53 Gr B Pipe, a versatile choice trusted across New Zealand for a wide array of demanding projects. Our team understands that your work depends on the integrity of your materials, which is why we ensure our A53 Gr B pipe meets rigorous standards, providing a solid foundation for everything from structural supports to essential fluid transport systems.
The strength of A53 Gr B pipe comes from its well-balanced composition, primarily iron with carbon, manganese, and other elements. This specific blend gives it excellent mechanical properties, including a robust yield strength of 35,000 psi and a tensile strength of 60,000 psi. It’s this reliable combination of durability and formability that makes it such a practical choice, able to be welded and bent while handling substantial pressure, making it a go-to material for engineers and fabricators who need dependable performance.
| Grade | ASTM A53 Grade B |
|---|---|
| Standards | ASME, ASTM and ANSI B 36.10, API |
| Craft | Cold drawn and Cold rolled |
| ASTM A53 Grade B ANSI Standard | B1.20. |
| Schedules | Schedule 30, 20, 40, Extra Heavy (XH), Standard (STD), 100, 80, 140, 120, XXH, 160, & heavier |
| Type | Seamless / ERW / Welded/Fabricated |
| ASTM A53 Grade B Pipes Length | Maximum 18 Meters and Minimum 3 Meters |
| Size | 1/2” NB to 36” NB |
| Tolerance |
Cold rolled pipe: +/-0.05mm
Cold drawn pipe: +/-0.1mm |
| End | Beveled End, Plain End, Treaded |
| Specialized in | ASTM A53 Grade B Pipes Large Diameter |
| ASTM A53 Grade B Pipes Thickness | 3-12 milimeter |
| ASME Standard | B36.10M |
| Grade | Chemical Composition (%) Max. | ||||||||
| C | Mn | P | S | Cu | Ni | Cr | Mo | V | |
| B | 0.3 | 1.2 | 0.05 | 0.045 | 0.4 | 0.4 | 0.4 | 0.15 | 0.08 |
| Grade | Mechanical Properties, Min. | |
| Tensile Strength(Mpa) | Yield Strength(Mpa) | |
| B | 415 | 240 |
| UNS | KS | JIS | DIN Type | DIN Number | EN |
|---|---|---|---|---|---|
| K03005 | SPPS42 | STPG410 | St45 / St42-2 | 1629 /1626 | 1.0408/1.0040 |
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 a top manufacturer and supplier of high-quality Carbon Steel A53 Gr B Pipe products in Hamilton, New Zealand. Specializing in steel solutions, we provide a wide range of products, including Carbon Steel, Alloy Steel, Mild Steel and Galvanized Steel. Our offerings include Pipes, Tubes, Flanges, Pipe Fittings, Forged Fittings, Sheets and Plates. Known for our reliable delivery and superior customer service, we are committed to offering top-tier steel materials that ensure durability and performance across a wide range of industrial applications. We strive to meet the highest standards, making us a trusted partner for all your steel needs.
| Size | Size | OD | WT | Length | Kgs./Mtr. |
|---|---|---|---|---|---|
| 1/2″ x Sch 40 | 15 x Sch 40 | 21.3 OD | 2.77 mm | 5 To 7 | 1.27 |
| 1/2″ x Sch 80 | 15 x Sch 80 | 21.3 mm | 3.73 mm | 5 To 7 | 1.62 |
| 1/2″ x Sch 160 | 15 x Sch 160 | 21.3 mm | 4.78 mm | 5 To 7 | 1.95 |
| 1/2″ x Sch XXS | 15 x Sch XXS | 21.3 mm | 7.47 mm | 5 To 7 | 2.55 |
| 3/4″ x Sch 40 | 20 x Sch 40 | 26.7 mm | 2.87 mm | 5 To 7 | 1.69 |
| 3/4″ x Sch 80 | 20 x Sch 80 | 26.7 mm | 3.91 mm | 5 To 7 | 2.20 |
| 3/4″ x Sch 160 | 20 x Sch 160 | 26.7 mm | 5.56 mm | 5 To 7 | 2.90 |
| 3/4″ x Sch XXS | 20 x Sch XXS | 26.7 OD | 7.82 mm | 5 To 7 | 3.64 |
| 1″ x Sch 40 | 25 x Sch 40 | 33.4 OD | 3.38 mm | 5 To 7 | 2.50 |
| 1″ x Sch 80 | 25 x Sch 80 | 33.4 mm | 4.55 mm | 5 To 7 | 3.24 |
| 1″ x Sch 160 | 25 x Sch 160 | 33.4 mm | 6.35 mm | 5 To 7 | 4.24 |
| 1″ x Sch XXS | 25 x Sch XXS | 33.4 mm | 9.09 mm | 5 To 7 | 5.45 |
| 1 1/4″ x Sch 40 | 32 x Sch 40 | 42.2 OD | 3.56 mm | 5 To 7 | 3.39 |
| 1 1/4″ x Sch 80 | 32 x Sch 80 | 42.2 mm | 4.85 mm | 5 To 7 | 4.47 |
| 1 1/4″ x Sch 160 | 32 x Sch 160 | 42.2 mm | 6.35 mm | 5 To 7 | 5.62 |
| 1 1/4″ x Sch XXS | 32 x Sch XXS | 42.2 mm | 9.7 mm | 5 To 7 | 7.78 |
| 1 1/2″ x Sch 40 | 40 x Sch 40 | 48.3 OD | 3.68 mm | 5 To 7 | 4.05 |
| 1 1/2″ x Sch 80 | 40 x Sch 80 | 48.3 mm | 5.08 mm | 5 To 7 | 5.42 |
| 1 1/2″ x Sch XXS | 40 x Sch XXS | 48.3 mm | 10.15 mm | 5 To 7 | 9.55 |
| 2″ x Sch 40 | 50 x Sch 40 | 60.3 OD | 3.91 mm | 5 To 7 | 5.44 |
| 2″ x Sch 80 | 50 x Sch 80 | 60.3 mm | 5.54 mm | 5 To 7 | 7.48 |
| 2″ x Sch 160 | 50 x Sch 160 | 60.3 mm | 8.74 mm | 5 To 7 | 11.12 |
| 2 1/2″ x Sch 40 | 65 x Sch 40 | 73 OD | 5.16 mm | 5 To 7 | 8.64 |
| 2 1/2″ x Sch 80 | 65 x Sch 80 | 73 mm | 7.01 mm | 5 To 7 | 11.41 |
| 2 1/2″ x Sch 160 | 65 x Sch 160 | 73 mm | 9.53 mm | 5 To 7 | 14.92 |
| 2 1/2″ x Sch XXS | 65 x Sch XXS | 73 mm | 14.02 mm | 5 To 7 | 20.40 |
| 3″ x Sch 40 | 80 x Sch 40 | 88.9 OD | 5.49 mm | 5 To 7 | 11.30 |
| 3″ x Sch 80 | 80 x Sch 80 | 88.9 mm | 7.62 mm | 5 To 7 | 15.28 |
| 3″ x Sch 160 | 80 x Sch 160 | 88.9 mm | 11.13 mm | 5 To 7 | 21.35 |
| 3″ x Sch XXS | 80 x Sch XXS | 88.9 mm | 15.24 mm | 5 To 7 | 27.69 |
| 3 1/2″ x Sch 40 | 90 x Sch 40 | 101.6 OD | 5.74 mm | 5 To 7 | 13.57 |
| 3 1/2″ x Sch 80 | 90 x Sch 80 | 101.6 mm | 8.08 mm | 5 To 7 | 18.64 |
| 4″ x Sch 40 | 100 x Sch 40 | 114.3 OD | 6.02 mm | 5 To 7 | 16.07 |
| 4″ x Sch 80 | 100 x Sch 80 | 114.3 mm | 8.56 mm | 5 To 7 | 22.33 |
| 4″ x Sch 120 | 100 x Sch 120 | 114.3 mm | 11.13 mm | 5 To 7 | 28.33 |
| 4″ x Sch 160 | 100 x Sch 160 | 114.3 mm | 13.49 mm | 5 To 7 | 33.55 |
| 4″ x Sch XXS | 100 x Sch XXS | 114.3 mm | 17.12 mm | 5 To 7 | 41.04 |
| Size | Size | OD | WT | Length | Kgs./Mtr. |
You’ll find Carbon Steel A53 Gr B Pipe hard at work in countless applications, forming the backbone of modern infrastructure. It’s the essential conduit for water, gas, and oil in municipal distribution lines, and it serves as a sturdy standard for fire sprinkler systems. Beyond plumbing, its structural integrity makes it ideal for columns, scaffolding, and a variety of general fabrication purposes. This pipe truly is an unsung hero on construction sites and in industrial plants, valued for its straightforward practicality and proven reliability in both above-ground and buried service.
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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