Products Description
According to the shape, special-shaped steel pipes are divided into: outer hexagonal and inner hexagonal steel pipes, outer hexagonal and inner hexagonal steel pipes, flat elliptical steel pipes, elliptical steel pipes, triangular pipes, L-shaped steel pipes, octagonal pipes, mushroom shaped pipes, bread shaped pipes, D-shaped pipes, concave pipes, convex pipes, umbrella shaped pipes, P-shaped pipes, Yuanbao shaped pipes, and other special-shaped steel pipes. The shape of special-shaped steel pipes is produced according to user needs. Used in pipeline transportation, boiler pipes, hydraulic/automotive pipes, oil/gas drilling, food/beverage/dairy products, mechanical industry, chemical industry, mining, construction and decoration, and special applications.
| Production Range | Outer Diameter:6-530mm (0.24 inch - 21.18 inch) |
| Wall Thickness:0.8-200mm (0.03 inch - 7.89 inch) | |
| Material / Grade | Carbon Steel: GB/T 3094: 10#, 20#, 35#, 45#, 55#, Q235B, Q235C, CF53, A105 ASTM 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 JIS3441/JIS3444/JIS3445: STKM11A, STKM12A/STKM12B/STKM12C, STKM13A/STKM13B/STKM13C 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, Laser Marking |
Chemical composition
|
Composition |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Cu |
As |
|
MIX |
- |
- |
- |
- |
- |
- |
- |
- |
- |
|
MAX |
0.17 |
0.35 |
1.4 |
0.04 |
0.04 |
0.3 |
0.3 |
0.3 |
0.08 |
Galvanized pipe production process
Packaging and Shipping
Before the galvanized pipes leave the factory, we will conduct a strict surface inspection on the products and wrap them with plastic film, woven cloth or waterproof paper to effectively prevent damage caused by moisture, dust or friction during transportation.
Galvanized pipe application scenarios
GNEE STEEL's qualifications
GNEE STEEL participated in the exhibition
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