
Tianjin Youfa Steel Co., Ltd. is a manufacturer specializing in the research and development, production, sales and service of carbon steel coils, galvanized sheet coils, carbon steel pipes, galvanized pipes, alloy pipes and seamless pipes. Our inventory support to meet the requirements of timely delivery. In recent years, our company has introduced a series of advanced equipment such as flying shears, polishing machines, pipe making machines, and uncoilers.
The products are all first-hand sources without any turnover links. Seamless steel pipe is our advantage products, we can guarantee the high quality at lower price. That makes us to be one of the best steel supplier in China. We stick to the principle of HIGH QUALITY, PREFECT SERVICE, and CONTINUOUS IMPROVEMENT. We hold the goal of ZERO DEFECT and ZERO COMPLAINTS. To perfect our service, we make our products with good quality and reasonable price.
The company adopts modern management concepts, adheres to the quality of survival, integrity and development, and gradually mounts the global competition platform. We should also adhere to actively participate in market competition, make friends with honesty, enhance feelings by service, and sincerely create prices for customers.
We welcome domestic and foreign customers with enthusiasm! Looking forward to your enquiry and cooperation.
The API 5L Line Pipes are used in various pipeline transportations systems such as in petroleum and natural gas industries. We offer these products in customized shapes and sizes to our clients. We cover both (American Petroleum Institute)API 5L Seamless and welded pipe. They are also quite appropriate for oil and gas, conveying water. API 5L Seamless Line Pipe standardizes transportation systems in the offshore structures, materials and equipment for petrochemical, natural gas and petroleum industries. API 5L schedule 40 Pipe is being made up from High Quality of Standard Raw Materials.
Out Diameter |
13.7mm-914mm |
Wall Thickness |
2mm-120mm |
Length |
2m-12m |
Producing Standard |
American ASME B36.10M, ASTM, API 5L, API 5CT Japanese JIS,German DIN,Chinese GB,BS standard |
Steel Grade |
ASTM A53, A106, A210, A252, A333 etc; PSL1: A, B, x42, x46, x52, x56, x60, x65, x70 PSL2: B, x42, x46, x52, x56, x60, x65, x70, x80 JIS STPG42, G3454, G3456 etc; DIN St37, St42, St45, St52, DIN1626, DIN17175; GB 20#, Q345, 16Mn etc. |
Special specifications |
Available according to customer’s requirements and quantity. |
End Shape |
Beveled end , plain end, varnished, or adding plastic caps to protect the two ends as per customer’s requirements |
Surface treatment |
Painted, Oiled, galvanized, phosphate etc |
Usage |
1.Widely used in the mechanical treatment field, petrochemical industry, transport and construction field 2.Ordinary structural purposes and mechanic structural purposes, for example in construction field, fulcrum bearing etc; 3.The transportation of fluids in the projects and big equipments, for example transport of water, oil, gas etc 4.Can be used in low and medium pressure boiler for the transportation of fluids, for example steam tube, big smoke tube, small smoke tube, generating tube etc |
Third party inspection |
Welcome you to send a third party inspecting company (BV, SGS etc) to check the quality of our final products. |
Our guarantee
Good Quality Makes Us Different!
➷All products are produced by ISO9001 certified mill!
➷All products are CE Certified!
➷ Non-destructive Testing Report is available if required!
➷Heat Treatment Report is available if required!
➷Mechanical Testing Report is available if required!
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Main Product:
Seamless Steel Pipe,
Welded Steel Pipe,
Galvanized Steel Pipe ,
Square Tube,
Steel Section,
Steel Plate