API 5L seamless steel pipe is a seamless steel pipe for pipeline steel--API 5L seamless steel pipe for pipeline steel, seamless steel pipe, pipeline steel material: GR.B, X42, X46, 52, X56, X60, X65, X70. Pipeline pipe is used to transport oil, gas and water extracted from the ground to oil and gas industrial enterprises through pipeline pipes. Pipeline pipes include seamless pipes and welded steel pipes, and their pipe ends have flat ends, threaded ends and socket ends; their connection methods are welding, coupling connection, socket connection, etc.
API 5L pipeline steel, standard: API5L ASTM ASME B36.10. DIN. Outer diameter range 13.7mm-1219.8mm, wall thickness range 2.11mm-100mm.
Length: 5.8m, 6m, 11.6m, 11.8m, 12m fixed length
Packaging: spray painting, bevel, pipe cap, galvanized steel strap bundling, yellow lifting strap, overall woven bag packaging.
1. Characteristics of API 5LX42 seamless steel pipe

API 5LX42 seamless steel pipe is a high-strength, low-alloy steel pipe with a yield strength of 420MPa and good toughness and corrosion resistance. The steel pipe is manufactured using a seamless process, with a smooth inner wall, not easy to accumulate dirt, and easy to clean and maintain. In addition, API 5LX42 seamless steel pipe also has good weldability and resistance to hydrogen-induced cracking, which can meet the use requirements in harsh environments.

2. Application of API 5LX42 seamless steel pipe

API 5LX42 seamless steel pipe is mainly used in oil and gas pipelines, refineries, chemical plants and other fields. In terms of oil and gas transportation, API 5LX42 seamless steel pipes can withstand harsh environments such as high pressure, high temperature and corrosion to ensure the safe transportation of oil and gas. In refineries and chemical plants, API 5LX42 seamless steel pipes are used to transport various corrosive media, such as sulfuric acid and hydrochloric acid.

3. Production process of API 5LX42 seamless steel pipes

The production process of API 5LX42 seamless steel pipes mainly includes tube blank preparation, perforation, rolling, heat treatment, straightening, inspection and packaging. Among them, tube blank preparation is one of the key links, and high-quality raw materials need to be selected and strictly inspected and controlled. During the perforation and rolling process, parameters such as temperature, speed and pressure need to be controlled to ensure that the wall thickness, diameter and surface quality of the steel pipe meet the requirements. The heat treatment link controls parameters such as heating temperature, insulation time and cooling speed to enable the steel pipe to obtain good organization and performance. Finally, the steel pipe needs to undergo strict inspection and testing to ensure that its quality meets the standard requirements.