Latham Steel, a reputable manufacturer and supplier based in Hamilton, New Zealand, specializes in top-notch Low Temperature Carbon Steel A420 WPL3 Pipe Fittings designed for cold-service and sub-zero piping systems. These fittings are known for their outstanding toughness, ductility, and structural integrity, even in extreme temperature conditions. Adhering strictly to ASTM A420 standards, Latham Steel offers a range of precisely crafted elbows, reducers, tees, caps, and custom fittings that can handle high-pressure situations. A420 WPL3 fittings are commonly found in LNG terminals, refrigeration plants, petrochemical facilities, gas processing systems, and low-temperature pipelines, where reliable performance and safety are paramount.
A420 WPL3 Pipe Fittings are made from low-temperature carbon steel, featuring controlled levels of carbon, manganese, silicon, and minimal sulfur and phosphorus. This careful composition enhances the cleanliness of the steel and boosts its impact toughness. WPL3 fittings maintain impressive mechanical strength and resist brittle fractures even at temperatures as low as −46°C. They provide reliable tensile and yield properties, making them suitable for moderate to high-pressure applications. The fine-grained microstructure contributes to improved ductility, weldability, and dimensional stability, ensuring secure connections and long-lasting reliability in cold-service piping systems.
Specification : ASTM A420 / ASME SA420
Dimension Standard : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Type : Seamless / Welded / Fabricated
| Grade | C | Mn | P | S | Si | Ni | Cr | Mo | Cu | Cb | V |
| A420 WPL3 | 0.3 | 0.050-1.35 | 0.035 | 0.04 | 0.15-0.40 | 0.4 | 0.3 | 0.12 | 0.4 | 0.02 | 0.08 |
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) |
| A420 WPL3 | 60-95 | 35 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
| Normal Pipe Size | Weight In LBS | Weight In Kilogram (KG) |
| 1/2 | 0.09 | 0.04 |
| 3/4 | 0.09 | 0.04 |
| 1 | 0.25 | 0.11 |
| 1.1/4 | 0.38 | 0.17 |
| 1.1/2 | 0.4 | 0.18 |
| 2 | 0.81 | 0.37 |
| 2.1/2 | 1.75 | 0.79 |
| 3 | 2.63 | 1.19 |
| 3.1/2 | 3.5 | 1.59 |
| 4 | 4.5 | 2.04 |
| 5 | 7.5 | 3.4 |
| 6 | 12 | 5.44 |
| 8 | 23 | 10.43 |
| 10 | 43 | 19.5 |
| 12 | 62 | 28.12 |
| 14 | 80 | 36.29 |
| 16 | 100 | 45.36 |
| 18 | 126 | 57.15 |
| 20 | 160 | 72.57 |
| 22 | 197 | 89.36 |
| 24 | 238 | 107.95 |
| 26 | 275 | 124.74 |
| 30 | 367 | 166.47 |
| 36 | 531 | 240.86 |
Latham Steel is a top manufacturer and supplier of high-quality Low Temperature Carbon Steel A420 WPL3 Pipe Fittings 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.
Low Temperature Carbon Steel A420 WPL3 Pipe Fittings are widely utilized in industries where piping systems need to function safely in chilled or cryogenic environments. Typical applications include LNG plants, cold-storage facilities, refrigeration units, petrochemical processing, low-temperature fluid transport lines, and gas distribution networks. They are also used in pressure vessels, heat exchangers, and cryogenic separation units, where resistance to brittle fractures is essential. With their excellent weldability, structural strength, and leak-proof performance, WPL3 fittings are a trusted choice for demanding applications.
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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