API 5LX46QH seamless steel pipe is a high-quality oil and gas transportation pipeline widely used in oil, natural gas, chemical, power, and heating industries. Its seamless design ensures the pipeline’s strength and sealing performance, maintaining stable performance even in harsh environments.
API 5LX46QH seamless steel pipe product standard: API SPEC 5L pipeline steel pipe specification. Suitable for PSL2 steel pipes used for pure hydrogen transportation pipelines with a hydrogen purity of not less than 99.99% and an outer diameter not greater than 610mm.
The material of API5LX46QH seamless steel pipe should conform to the TSG D7002 Type Test Rules for Pressure Piping Components.
API5LX46QH seamless steel pipe outer diameter specifications: 21.3mm~610mm; wall thickness: 2mm~130mm.
API5LX46QH seamless steel pipe production methods: hot rolling, cold drawing, hot expansion; delivery condition: hot rolling, heat treatment.
API5LX46QH seamless steel pipe chemical composition: mass fraction, based on smelting analysis and product analysis, maximum %: Carbon: 0.07, Silicon: 0.45, Manganese: 1.40, Phosphorus: 0.015, Sulfur: 0.01, Vanadium: 0.05, Niobium: 0.05, Titanium: 0.04.
API5LX46QH seamless steel pipe yield strength: minimum: 320MPa, maximum: 490MPa; tensile strength: minimum 435, maximum 605. Yield ratio 0.93
First, the manufacturing process of API 5LX46QH seamless steel pipe. The manufacturing of seamless steel pipe mainly involves steps such as billet preparation, billet heating, piercing, rolling, leveling, sizing, cooling, straightening, hydrostatic testing, marking, and warehousing. In this process, the selection of raw materials and the control of processing technology are crucial to ensure the quality and performance of the final product.
The main characteristics of API 5LX46QH seamless steel pipe are its high strength, high toughness, and good corrosion resistance. This steel pipe is made of high-quality carbon steel or low-alloy steel and undergoes rigorous heat treatment and machining, giving it excellent mechanical properties and corrosion resistance. Furthermore, this steel pipe also has good weldability and processing performance, facilitating various connection and installation operations for users.
In the field of oil and gas transportation, API 5LX46QH seamless steel pipe is widely used. Because oil and gas pipelines need to withstand various harsh conditions such as high pressure, high temperature, and corrosion, the requirements for the quality and performance of the pipelines are extremely high. API 5LX46QH seamless steel pipes, with their high strength, high toughness, and excellent corrosion resistance, meet these requirements, ensuring the safe and efficient transportation of oil and natural gas.
Besides oil and gas transportation, API 5LX46QH seamless steel pipes are also widely used in chemical, power, and heating industries. In the chemical industry, these pipes can be used to transport various corrosive media; in the power and heating industries, they can be used to transport steam, hot water, and other media. These applications place high demands on the quality and performance of the steel pipes, and API 5LX46QH seamless steel pipes meet these requirements, providing users with reliable and stable transportation pipelines.
Of course, the application of API 5LX46QH seamless steel pipes also requires consideration of some special factors. For example, in different operating environments, the steel pipes may be subject to different levels of corrosion and wear, thus requiring appropriate anti-corrosion and protective measures. Furthermore, during installation and use, it is necessary to follow relevant specifications and standards to ensure the safety and stability of the steel pipes.
In summary, API 5LX46QH seamless steel pipe is a high-quality oil and gas transportation pipeline with excellent mechanical properties and corrosion resistance. Its wide range of applications and stable performance make it an indispensable material in the oil, gas, chemical, power, and heating industries. In the future, with continuous technological advancements and industrial development, the application prospects of API 5LX46QH seamless steel pipe will be even broader.
Post time: Dec-19-2025