Sch40 A53 API 5L Gr. B Seamless and Welded Carbon Steel Pipe

Sch40 A53 API 5L Gr. B Seamless and Welded Carbon Steel Pipe

Rectangular tube is a kind of hollow steel section in rectangle shape which the opposite sides are equal in length.
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Product Details

We innovate and perfect the quality of our General Structural Hot Rolled Carbon Steel Coil stockiest, ASTM A387 Boiler Steel Plates, Q345D Low Temperature H Beams stockiest, always emphasize innovation and outperform ourselves. We insist on the enterprise spirit of "undertaking, exploring and surpassing", and take "make progress together" as our philosophy. Our web-site shows the latest and complete information and facts about our goods list and company. During many years of product manufacturing, our company has summarized a large number of specific cases, scientifically optimized a number of production processes, mastered the multi product manufacturing process, and carefully provided personalized products for each cooperation unit. The company has always been adhering to the service concept of 'customer demand as the center', and business tenet of 'quality first, integrity-based'.

detailed description


Rectangular Steel Tube Hollow Section

Outer Diameter


Wall Thickness



5.8 meters, 6 meters


Q195,Q215,Q235,SS400,20#,ST37,ST52,Q345,16Mn,S275,S355,S275JR,S355JR,S275JRH,S355JRH,S355J0H,A500 Gr.B,A53 Gr.B


Comply with the standard


EN10025,DIN 17100, GB/T3094, GB/T6728,ASTM A500,EN10219


Black painting, As rolled, Mill finished


ERW welded

product picturessquare rectangular tube04square rectangular tube08square rectangular tube05square rectangular tube09square rectangular tube41our advantage

our advantage

quality control

quality control

packing and delivery


mill and equipments


certificate and customers


container loading capacity

container loading capacity


FAQ-How to Prevent Steel Rusting

why choose us

why choose us



Our Sch40 A53 API 5L Gr. B Seamless and Welded Carbon Steel Pipe has won unanimous praise from customers because of their novel design, reliable quality, and beautiful appearance. Overall, we can ensure good product quality, timely delivery and honesty are the core principles of our business. Simply put, our customers and our company are win-win and mutual benefit. We have established a complete after-sales service system, and always follow the principle of honest management.


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