Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price “unification, dedication, tolerance” for High definition API Pipe ASTM A53 API 5L Round Black Seamless Carbon Steel Pipe and Tube, As a result of our hard perform, we have always been around the forefront of clean technology merchandise innovation. We’ve been a eco-friendly partner you can rely on. Get hold of us today for additional data!
Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price “unification, dedication, tolerance” for China Schedule 40 Black Carbon Steel Pipe and Carbon Steel ERW Galvanized Square Steel Pipes, Now we have a good reputation for stable quality items, well received by customers at home and abroad. Our company would be guided by the idea of “Standing in Domestic Markets, Walking into International Markets”. We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!

Product Detail

Size Chart:

Product Description

Main Application:
1. Fluid / Gas delivery, Steel structure, Construction;
2. ROYAL GROUP ERW/Welded round carbon steel pipes, which with Highest quality and strong supply ability are widely used in Steel structure and Construction.

Note:
1. Free sampling, 100% after-sales quality assurance, Support any payment method;
2. All other specifications of round carbon steel pipes are available according to your requirement (OEM&ODM)! Factory price you will get from ROYAL GROUP.

Process of production
First of all, raw material uncoiling: The billet used for it is generally steel plate or It is made of strip steel, then the coil is flattened, the flat end is cut and welded-looper-forming-welding-inner and outer weld bead removal-pre-correction-induction heat treatment-sizing and straightening-eddy current testing-cutting- Water pressure inspection—pickling—final quality inspection and size test, packaging—and then out of the warehouse.

Product Inspection

Packing and Transportation

Packaging is generally naked, steel wire binding, very strong.
If you have special requirements, you can use rust proof packaging, and more beautiful.

Transportation: Express (Sample Delivery), Air, Rail, Land, Sea shipping (FCL or LCL or Bulk)

Our Customer

FAQ

Q: Are u a manufacturer?

A: Yes, we are spiral steel tube manufacturer locates in Daqiuzhuang village, Tianjin city, China

Q: Can I have a trial order only several tons?

A: Of course. We can ship the cargo for u with LCL serivece.(Less container load)

Q: Do u have payment superiority?

A: For big order, 30-90 days L/C can be acceptable.

Q: If sample free?

A: Sample free, but the buyer pays for the freight.

Q: Are you gold supplier and do trade assurance?

A: We seven years cold supplier and accept trade assurance.Well-run products, skilled income group, and better after-sales products and services; We have been also a unified massive family, all people stick with the business price “unification, dedication, tolerance” for High definition API Pipe ASTM A53 API 5L Round Black Seamless Carbon Steel Pipe and Tube, As a result of our hard perform, we have always been around the forefront of clean technology merchandise innovation. We’ve been a eco-friendly partner you can rely on. Get hold of us today for additional data!
High definition China Schedule 40 Black Carbon Steel Pipe and Carbon Steel ERW Galvanized Square Steel Pipes, Now we have a good reputation for stable quality items, well received by customers at home and abroad. Our company would be guided by the idea of “Standing in Domestic Markets, Walking into International Markets”. We sincerely hope that we could do business with car manufacturers, auto part buyers and the majority of colleagues both at home and abroad. We expect sincere cooperation and common development!