Latham Steel, a trusted manufacturer and supplier based in Hamilton, New Zealand, specializes in top-notch Low Temperature Carbon Steel A420 WPL8 Pipe Fittings, designed specifically for cryogenic and extreme cold-service applications. These fittings are known for their exceptional toughness, ductility, and pressure stability, even in frigid conditions. Adhering strictly to ASTM A420 standards, Latham Steel offers precision-engineered elbows, tees, reducers, caps, and custom fittings that can handle the toughest operating environments. A420 WPL8 fittings are commonly found in LNG terminals, refrigeration systems, petrochemical plants, gas processing units, and low-temperature distribution pipelines, where reliability, safety, and leak-proof performance are crucial.
A420 WPL8 Pipe Fittings are crafted from nickel-enhanced low-temperature carbon steel, featuring controlled levels of carbon, manganese, silicon, and minimal sulfur and phosphorus to guarantee superior toughness. The inclusion of nickel significantly boosts impact resistance, enabling these fittings to function reliably at temperatures as low as −75°C. WPL8 offers impressive tensile and yield strength for high-pressure systems while ensuring ductility and resistance to brittle fracture. Its fine-grained microstructure enhances weldability, stability under thermal stress, and long-lasting durability, making WPL8 the perfect choice for critical cold-service piping networks.
Specifications : ASTM A420 / ASME SA420
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Grades : A420 WPL3 / A420 WPL8
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
| Chemical Composition of ASTM A420 | ||||
|---|---|---|---|---|
| Elements | WPL6, % | WPL9, % | WPL3, % | WPL8, % |
| Carbon [C] | ≤0.30 | ≤0.20 | ≤0.20 | ≤0.13 |
| Manganese [Mn] | 0.50-1.35 | 0.40-1.06 | 0.31-0.64 | ≤0.90 |
| Phosphorus [P] | ≤0.035 | ≤0.030 | ≤0.05 | ≤0.030 |
| Sulfur [S] | ≤0.040 | ≤0.030 | ≤0.05 | ≤0.030 |
| Silicon [Si] | 0.15-0.40 | … | 0.13-0.37 | 0.13-0.37 |
| Nickel [Ni] | ≤0.40 | 1.60-2.24 | 3.2-3.8 | 8.4-9.6 |
| Chromium [Cr] | ≤0.30 | … | … | … |
| Molybdenum [Mo] | ≤0.12 | … | … | … |
| Copper [Cu] | ≤0.40 | 0.75-1.25 | … | … |
| Columbium [Cb] | ≤0.02 | … | … | … |
| Vanadium[V] | ≤0.08 | … | … | … |
| ASTM A420/ A420M | Tensile Strength, min. | Yield Strength, min. | Elongation %, min | |||
|---|---|---|---|---|---|---|
| Grade | ksi | MPa | ksi | MPa | Longitudinal | Transverse |
| WPL6 | 65-95 | 415-655 | 35 | 240 | 22 | 12 |
| WPL9 | 63-88 | 435-610 | 46 | 315 | 20 | … |
| WPL3 | 65-90 | 450-620 | 35 | 240 | 22 | 14 |
| WPL8 | 100-125 | 690-865 | 75 | 515 | 16 | … |
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 Low Temperature Carbon Steel A420 WPL8 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 WPL8 Pipe Fittings are extensively utilized in cryogenic and low-temperature industrial systems where structural integrity and safety are paramount. They play a vital role in LNG storage and transport lines, cryogenic gas pipelines, refrigeration plants, petrochemical facilities, gas separation units, and cold-service fluid handling systems. Additionally, they are employed in low-temperature pressure vessels, heat exchangers, and offshore processing equipment, thanks to their outstanding performance and reliability.
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.
Copyright 2025 Latham Steel. All rights reserved