Assume full obligation to meet all demands of our customers; accomplish ongoing advancements by promoting the advancement of our customers; become the final permanent cooperative partner of clientele and maximize the interests of shoppers for Manufactur standard Small Diameter Seamless Steel Tube1335/35mn/2smn/433sm/N43836mn/51.1167/Low-Alloy Structural Steel Tube, We welcome buyers, organization associations and mates from all pieces of the entire world to call us and seek cooperation for mutual gains.
Assume full obligation to meet all demands of our customers; accomplish ongoing advancements by promoting the advancement of our customers; become the final permanent cooperative partner of clientele and maximize the interests of shoppers for China Alloy Seamless Steel Pipe and Carbon Structural Steel Pipe, Our staffs are rich in experience and trained strictly, with qualified knowledge, with energy and always respect their customers as the No. 1, and promise to do their best to deliver the effective and individual service for customers. The Company pays attention to maintaining and developing the long-term cooperation relationship with the customers. We promise, as your ideal partner, we’ll develop a bright future and enjoy the satisfying fruit together with you, with persisting zeal, endless energy and forward spirit.

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.Assume full obligation to meet all demands of our customers; accomplish ongoing advancements by promoting the advancement of our customers; become the final permanent cooperative partner of clientele and maximize the interests of shoppers for Manufactur standard Small Diameter Seamless Steel Tube1335/35mn/2smn/433sm/N43836mn/51.1167/Low-Alloy Structural Steel Tube, We welcome buyers, organization associations and mates from all pieces of the entire world to call us and seek cooperation for mutual gains.
Manufactur standard China Alloy Seamless Steel Pipe and Carbon Structural Steel Pipe, Our staffs are rich in experience and trained strictly, with qualified knowledge, with energy and always respect their customers as the No. 1, and promise to do their best to deliver the effective and individual service for customers. The Company pays attention to maintaining and developing the long-term cooperation relationship with the customers. We promise, as your ideal partner, we’ll develop a bright future and enjoy the satisfying fruit together with you, with persisting zeal, endless energy and forward spirit.