Yousef Steel, a reputable manufacturer and supplier located in Riyadh, Saudi Arabia, is dedicated to providing top-notch piping solutions for challenging industrial needs. One of their standout products is the **Low Temperature Carbon Steel A420 WPL9 pipe fittings**, engineered to perform exceptionally well in sub-zero and cryogenic conditions. Adhering to ASTM A420 standards, these WPL9 fittings are essential in critical sectors like LNG, petrochemical, oil and gas, and cryogenic processing, where high strength, toughness, and thermal stability are non-negotiable. Yousef Steel prides itself on rigorous quality control, technical accuracy, and dependable delivery schedules to meet the demands of any project.
The ASTM A420 WPL9 is a low-alloy steel grade that incorporates chromium and molybdenum to enhance its mechanical strength, impact resistance, and performance under thermal stress. Typically, its chemical makeup includes carbon (max 0.15%), manganese (0.60–1.10%), phosphorus (max 0.025%), sulfur (max 0.025%), chromium (0.40–1.00%), and molybdenum (0.15–0.30%). These alloying elements significantly boost resistance to oxidation, corrosion, and embrittlement at low temperatures. WPL9 fittings boast a minimum yield strength of 275 MPa and a tensile strength of 485 MPa, and they undergo impact testing to ensure they can withstand temperatures as low as -75°F (-59°C).
| Element | Min | Max | Similar |
|---|---|---|---|
| S | – | 0.0300 | – |
| P | – | 0.0350 | – |
| Ni | 1.6000 | 2.2400 | – |
| Mn | 0.4000 | 1.0600 | – |
| Cu | 0.7500 | 1.2500 | – |
| C | – | 0.2000 | – |
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
|---|---|---|---|---|---|---|
| 171 (≥) | 693 (≥) | 42 | 14 | 31 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 141 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Low Temperature Carbon Steel A420 WPL9 pipe fittings are extensively utilized in cold climate and cryogenic applications, such as high-pressure piping systems, heat exchangers, liquefied gas storage, and offshore platforms. Their impressive mechanical properties and ability to resist cracking under temperature changes make them perfect for harsh environments where safety and performance are paramount. These fittings — including elbows, tees, reducers, and caps — ensure reliable connectivity and structural integrity across a diverse range of low-temperature applications.
Low Temperature Carbon Steel A420 WPL9 Pipe Fittings find application in processes that demand superior toughness in sub-zero temperatures. Widely utilized in oil and gas, petrochemical, and cryogenic processing industries, they find excellent application in conveying fluids like gas, oil, and chemicals under low-temperature regimes. Fittings ensure safe, leak-free connections in pipes, making them efficient and safe. They find application in refrigerant systems, in LNG plants, as well as in other environments where resistance to brittle fracture and durability are essential.
Yousef 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 Riyadh, Saudi Arabia.
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