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Tianjin Wanlei Steel Pipe Co.,Ltd
TEL: 86-22-65815991
FAX: 86-22-25343802
CELL: 86-18526839451, 86-18526839452
EMAIL: admin@wanleipipe.com
WEBSITE: www.seamlesscarbonsteelpipe.com
ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)
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Welded Line Pipe of Superior Quality
Welded Line Pipe of superior quality, manufactured to API 5L and ISO9001 standards with strict UT and hydrostatic testing. Available in ERW, LSAW, SSAW types with 3PE/FBE coating for reliable oil and gas transmission.
Description
Tianjin Wanlei Steel Pipe Co., Ltd. is one of the leading manufacturers and suppliers of Welded Line Pipe of Superior Quality in China, featured by quality products and low price. If you're going to wholesale durable Welded Line Pipe of Superior Quality made in China, welcome to get pricelist and free sample from our factory.
Welded Line Pipe of Superior Quality
Product introduction
Our Welded Line Pipe of superior quality is manufactured through advanced ERW, LSAW, and SSAW processes with comprehensive ultrasonic and hydrostatic testing at every stage, ensuring exceptional structural integrity and dimensional precision. Available in a wide range of API 5L and GB/T9711 grades with SCH10 to XXS wall thicknesses, these pipes feature customizable 3PE, FBE, or galvanized coatings that provide outstanding corrosion resistance and long-term reliability for demanding oil and gas transmission applications.
Product feature and application
Welded Line Pipe of Superior Quality features high weld strength, precise dimensions, and excellent corrosion resistance, manufactured in strict compliance with API 5L and GB/T 9711 standards. It is widely applied in long-distance oil and gas transmission, urban water and gas supply networks, chemical fluid transport, offshore platforms, and industrial pressure piping systems where safety, durability, and leak-proof performance are critical.
Production details
Welded Line Pipe of Superior Quality is engineered through advanced manufacturing processes including ERW, LSAW, and SSAW, ensuring high weld integrity, precise dimensional control, and uniform wall thickness across a wide range of diameters and grades from X42 to X80. Each pipe undergoes 100% ultrasonic and hydrostatic testing per API 5L PSL2 standards, guaranteeing zero internal defects and leak-proof performance under extreme pressure and corrosive environments. The焊缝 metal matches the base material's chemistry due to filler-free welding in ERW, while LSAW/SSAW pipes feature deep penetration welds exceeding 70% of wall thickness for superior structural strength. Available with customizable 3PE, FBE, or epoxy coatings, these pipes deliver exceptional corrosion resistance for long-distance oil & gas transmission, urban water/gas networks, offshore platforms, and industrial fluid systems where safety, durability, and minimal maintenance are non-negotiable.
Deliver,shipping and serving
product advantages
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Wide Application Of Technology
Advanced ERW and LSAW technologies ensure suitability for oil & gas transmission, water supply, and structural piling in diverse environments.
Large Enterprise Scale
State-of-the-art facilities with high-frequency welding units enable massive production capacity and timely global delivery for bulk orders.
High-Quality Customized Services
We offer tailored solutions from specific steel grades to custom coatings like 3PE/FBE, ensuring pipes meet exact project specifications.
Standardized Production
Strict adherence to API 5L and ISO standards, backed by 100% hydrostatic and ultrasonic testing, guarantees superior weld integrity and safety.
FAQ
Q: What manufacturing standards do your welded pipes meet?
A: Our pipes strictly comply with API 5L PSL1/PSL2, ISO 3183, and GB/T 9711 standards.We also offer ASTM A53 and A252 specifications for structural and piling applications.
Q: What testing methods ensure the quality of the weld seam?
A: Every pipe undergoes 100% ultrasonic testing (UT) and hydrostatic pressure testing.Optional radiographic testing (RT) is available to guarantee zero defects in the weld area.
Q: Can you provide custom coatings for corrosion protection?
A: Yes, we offer various anti-corrosion options including 3PE, FBE, and epoxy coatings.We can also apply internal linings like cement mortar for water transmission projects.
Q: What is the typical lead time for a standard order?
A: Standard sizes are often available in stock for immediate shipment within 7-15 days.Custom production runs typically take 20-30 days depending on the order quantity and specifications.
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