Seamless Octangle Steel Tubes

As an industry-leading supplier of cold drawn seamless and DOM-ERW carbon and alloy steel tubing known for its reliability, durability, and exceptional quality,Baosheng specializes in sourcing irregular, hard-to-manufacture shapes and sizes – the type of tubing that demands high-quality craftsmanship and creative engineering and ingenuity to produce. Through our extensive network of carefully selected mill suppliers, we are capable of inventorying and fulfilling your entire custom tubing requirements.

In addition to standard and specialty shapes such as hexagon/round cloverleaf, streamline, and lemon, we have the capacity to provide non-standard tubing with unusual, intricate, and complex profiles, sized to meet your particular/proprietary design specifications. Our extensive resources give us direct access to a diverse range of high quality steel and steel alloys, which enables us to meet any unique requirement as well as ASTM, DIN, EN, SAE, and other relevant industry standard. Our decades of experience and deep knowledge of modern tube forming processes provide you with the best opportunity to receive the finest tubing available for your most challenging application.  Contact us today to learn more about how our specialty shape tubing can benefit your next application.

  • Description
  • Grand's Advantages
  • Specificaions
  • Inquiry

1. Product Description /Specifications

Production Range Outer Diameter:20.00-120.00mm
Wall Thickness:1.00-8.00mm
Material / Grade Carbon Steel:GB/T 3094: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105ASTM A519: 1010, 1020, 1026, 1035, 1045, 1050

DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: C10/CK10, C22/CK22, C35/CK35, C45/CK45, CF53,ST35,ST37,ST45,St52,E235,E255,E355,etc


JIS G4051: S10C, S20C, S25C, S35C, S45C, S55C

Alloy Steel:GB/T 3094: 16Mn(Q345B), 20Cr, 40Cr, 15CrMo, 20CrMo, 28CrMo, 30CrMo, 35CrMo, 42CrMo, 20CrMnTi, 40MnMoV, 20Mn2, ZF6, 16MnCr5, 20MnCr5, 38Mn2V, 09CrCuSb(ND)ASTM A519: 5120, 5140, 4130, 4135, 4140

DIN17121/EN 10297-1, DIN1629/DIN2391/EN 10305-1: ST52, EN10084-1998 20Cr4, 41Cr4, 15CrMo4, 25CrMo4, 35CrMo4, 42CrMo4, 16MnCr5

JIS3441/JIS3444/JIS3445: SCM432/SCRRM3, SCM4

JIS G4053: JIS SCr420, JIS SCr440, SCM415, SCM420

Tolerance Can be customized according to customer’s requirements
Technique Cold Drawn / Cold Rolled
Shape Triangle, Hexagon, Square, Rectangle, Octagon, Lemon Pipe and Others can be customized
Further Processing for Steel Tubes Cutting, Chamfer, Threading, Inner diameter or Outer Diameter Lathe, Surface Shot Blasting,etc

1.  Production of  special shaped seamless high precision tubes since 2005.

2.  Working with customers from Europe,West Asia,North America,South America,since 2007.

3.  Samples can be delivered within 40 days after confirmation.

4.  50 days as the production period and delivery after order confirmation.

5.  Drawings needed to be presented before quote the prices

7.  Third party inspection like:TUV,BV,SGS,etc accepted

8.  Professional team assists your special tube requirements.

9.  Other related tubes:stainless deformed steel tubes;etc

Special shapes of seamless steel tubes according to customers' drawings or detail requirement
Outside hexagonal steel tubes, intside round steel tubes
Outside Hexagonal Inside Round Seamless Steel Tubes
Ellipse oval steel tubes
Special shapes seamless steel tubes
Rectangle steel tubes

Special shape steel tube
SAE1010 , SAE1020 , SAE1035 , SAE1045 , ST35.0 , ST45 , ST52 , E235 , E355 ,other material can be achieved after negotiation.
Steel Grade Material
Carbon Steel or according to customers' require.
Production Technology
Cold Drawn with mandrel and die, with the tubes drawing, the mandre with a turning tool to make the ID of the tubes shaping a rib as desgined.
Section Shape
Section Shape
According to Customers' Drawing and Design.
For Agriculture motor applications, for Agricultural Machines,for motorcycles, for guns pipe, for machine

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