Carbon Steel Seamless Pipe

- Apr 17, 2019-

The wall thickness of steel tube can not be a similar all over, and there exists the development of wall thickness difference objectively on its cross section and longitudinal tube body, that is, uneven wall thickness.In order to regulate this irregularity, the allowable index of wall thickness irregularity is stipulated in some steel pipe standards, and it's typically stipulated that it shall not exceed eightieth of the wall thickness tolerance (to be enforced once consultation between the provider and also the supplier).ovalityIn the cross section of circular steel tube, there exists the development of unequal outside diameter, that is, there's not essentially reciprocally perpendicular most and minimum outside diameter, then the distinction between the utmost and minimum outside diameter is roundedness (or unroundness).In order to regulate the ovality, some steel pipe standards stipulate the allowable index of ovality, that is mostly stipulated to be no over eightieth of the outer diameter tolerance (to be enforced once consultation between the provider and also the supplier).


Product Description                                             


ASTM A106, ASTM A53, API 5L Gr.B, DIN17175,DIN1629


ASTM A106B, ASTM A53B, API 5L Gr.B,ST52, ST37,ST44


Outer diameter


Wall thickness



3m-12m, random or fixed, as the clients' requests


Hot Rolled


Control with in the standard, OD:+/-1%, WT:+/-5%



1.Short delivery time

2.Quality assurance

3.Competitive price

4.Free Sample

Products Show                                                     

Hold Rolled ST37 Seamless Carbon Steel Pipe

    ST37 Hot Rolled Seamless Pipes                                    Hot Rolled Carbon Steel Seamless Pipes


Seamless Steel Pipe,as the name suggests,is a pipe without a seam or a weld-joint.

Seamless Steel Pipes is a tubular section or hollow cylinder,usually but not necessarily of

circular cross-section,used mainly to convey substances which can flow-liquids and gases(fluids),slurries,powders,powders and masses of small solids.


Hold Rolled ST37 Seamless Carbon Steel Pipe

   ASTM A106 Hot Rolled Seamless Pipes                     JIS G3444 STKM12B Hot Rolled Seamless Pipes  


The production of our seamless steel pipes is tightly regulated and all of the pipes we produced

have been fuly tested to international standards to ensure we only supply the hightest products.


Hold Rolled ST37 Seamless Carbon Steel Pipe

               Black Painting Hot Rolled Seamless Steel Pipes As Per ASTM A106/A53 Gr.B

Seamless Steel Pipes WITH black painting,beveled ends and plastic caps,mainly used in convey petroleum,gas and other liquid.The black painting can protect pipes out of rust and corrosion.

The beveled ends can connect the pipes with flange.



Packing & Delivery                                                

Bare Pipes in Container                           Cutted Pipes in Wooden Box              Black Painting Pipes

Packaging & Delivery
Packaging Details:
1. Small OD: In hexagonal bundle with steel strips 
2. Large OD: In bulk 
3. Wrapped in waterproof plastic woven bag 
4. Filled in wooden cases

5. As required
Delivery Detail:Shipped in 7-15 days after payment


Inspect Products                                                 

Hold Rolled ST37 Seamless Carbon Steel Pipe

Application of Products                                       

Hold Rolled ST37 Seamless Carbon Steel Pipe

Our Factory                                                         

Hold Rolled ST37 Seamless Carbon Steel Pipe

        Heating Round Bar(Raw Material)                                    Punching Machine

Hold Rolled ST37 Seamless Carbon Steel Pipe

      Hot Rolled Line                                                                    Finished Pipes


Cangzhou Steel Pipe Group (CSPG) Co., Ltd. is a large-sized, key metallurgic enterprise of Hebei Province in North China, whose history dates back to 1994. CSPG currently em/paces six member companies with products varying from SSAW, LSAW, ERW, seamless steel pipes to 3PE pipes, galvanized pipes, casing pipes, etc. A Joint-stock corporation, CSPG occupies an area of 600,000 square meters with a total asset of $530 million.

Specialized in the production of straight welded pipe spiral pipe galvanized pipe 3PE/3PP/FBE/TPEP internal and external epoxy powder internal and external epoxy resin cement mortar two cloth three oil buried pipeline IPN8710 non-toxic drinking water internal and external plastic coated lining plastic and other anti-corrosion pipe fittings for oil and gas pipeline water conservancy projects

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