Structural seamless steel pipe is a seamless tube used in ordinary and mechanical structure. It is used in manufacturing pipeline, vessel, and equipment, pipe fitting and mechanical structure. This seamless tubular product is used in such applications as dock piling, pipe piling, caissons, bollards, etc. This product can be supplied as a new or secondary pipe in various sizes, grades and thicknesses.
Advantages
1. Structural seamless steel pipe is very flexible in use. It can be applied in many industries.
2. This tubular material is becoming very popular in building fences because of its durability and strength.
3. The seamless tube is preferred in various applications because it can withstand pressure better than other types of steel pipe and is easy to obtain.
Structural seamless steel pipe is widely used as anti-corrosion pipeline and structural parts in the industries of chemical, petroleum, light textile, medical treatment, food and machinery.
1. In construction, the seamless pipe is used as pipeline of hall structure, trestle, airport structure, dock, security doorframe, garage door, partition wall, cable bridge structure, etc.
2. In agriculture, it is used as structural parts of agricultural equipment.
3. In transport industry, structural seamless steel pipe is also used as components of guardrail, guide sign, road facility, etc.
4. In logistics storage, this product is used as parts of supermarket shelves, furniture and school facilities.
Our structural seamless steel pipes meet multiple standards, such as the China national standard of GB/T8162, ASTM (American Society for Testing and Materials) standard of ASTM A53 and the Boiler & Pressure Vessel Code of ASME SA53.
Steel grades of the seamless tubes we mainly produce include 10, 20, 35, 45, Q345, 15CrMo, 12Cr1MoV, A53A, A53B, SA53A and SA53B.
| Outer Diameter (mm) | Wall Thickness (mm) | |||||||||
| 2.0 | 2.5 | 3 | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | |
| Weight per Meter (kg) | ||||||||||
| 22 | 0.986 | 1.20 | 1.41 | - | - | - | - | - | - | - |
| 25 | 1.13 | 1.39 | 1.63 | 1.86 | - | - | - | - | - | - |
| 28 | - | 1.57 | 1.85 | 2.11 | - | - | - | - | - | - |
| 30 | - | 1.70 | 2.00 | 2.29 | 2.56 | - | - | - | - | - |
| 32 | - | 1.82 | 2.15 | 2.46 | 2.76 | 3.05 | 3.33 | 3.59 | 3.85 | 4.09 |
| 38 | - | 2.19 | 2.59 | 2.98 | 3.35 | 3.72 | 4.07 | 4.41 | 4.74 | 5.05 |
| 42 | - | 2.44 | 2.89 | 3.32 | 3.750 | 4.16 | 4.56 | 4.95 | 5.33 | 5.69 |
| 45 | - | 2.62 | 3.11 | 3.58 | 4.04 | 4.49 | 4.93 | 5.36 | 5.77 | 6.17 |
| 50 | - | 2.93 | 3.48 | 4.01 | 4.54 | 5.05 | 5.55 | 6.04 | 6.51 | 6.97 |
| 54 | - | - | 3.77 | 4.36 | 4.93 | 5.49 | 6.04 | 6.58 | 7.10 | 7.61 |
| 57 | - | - | 4.00 | 4.62 | 5.23 | 5.83 | 6.41 | 6.99 | 7.55 | 8.10 |
| 60 | - | - | 4.22 | 4.88 | 5.52 | 6.16 | 6.78 | 7.39 | 7.99 | 8.58 |
| 63.5 | - | - | 4.48 | 5.18 | 5.87 | 6.55 | 7.21 | 7.87 | 8.51 | 9.14 |
| 68 | - | - | 4.81 | 5.57 | 6.31 | 7.05 | 7.77 | 8.48 | 9.17 | 9.86 |
| 70 | - | - | 4.96 | 5.74 | 6.51 | 7.27 | 8.01 | 8.75 | 9.47 | 10.18 |
| 73 | - | - | 5.18 | 6.00 | 6.81 | 7.60 | 8.38 | 9.16 | 9.91 | 10.66 |
| 76 | - | - | 5.46 | 6.26 | 7.10 | 7.93 | 8.75 | 9.56 | 10.36 | 11.14 |
| 83 | - | - | - | 6.86 | 7.79 | 8.71 | 9.62 | 10.51 | 11.39 | 12.26 |
| 89 | - | - | - | 7.38 | 8.38 | 9.38 | 10.36 | 11.33 | 12.28 | 13.22 |
| 95 | - | - | - | 7.90 | 8.98 | 10.04 | 11.10 | 12.14 | 13.17 | 14.19 |
| 102 | - | - | - | 8.50 | 9.67 | 10.80 | 11.96 | 13.09 | 14.21 | 15.31 |
| 108 | - | - | - | - | 10.26 | 11.49 | 12.70 | 13.90 | 15.09 | 16.27 |
| 114 | - | - | - | - | 10.85 | 12.15 | 13.44 | 14.72 | 15.98 | 17.23 |
| 121 | - | - | - | - | 11.54 | 12.93 | 14.30 | 15.67 | 17.02 | 18.35 |
| 127 | - | - | - | - | 12.13 | 13.59 | 15.04 | 16.48 | 17.90 | 19.31 |
| 133 | - | - | - | - | 12.73 | 14.26 | 15.78 | 17.29 | 18.79 | 20.28 |
| 140 | - | - | - | - | - | 15.04 | 16.65 | 18.24 | 19.83 | 21.4 |
| 146 | - | - | - | - | - | 15.7 | 17.39 | 19.06 | 20.72 | 22.36 |
| 152 | - | - | - | - | - | 16.37 | 18.13 | 19.87 | 21.60 | 23.32 |
| 159 | - | - | - | - | - | 17.15 | 18.99 | 20.82 | 22.64 | 24.45 |
| 168 | - | - | - | - | - | - | 20.10 | 22.04 | 23.97 | 25.89 |
| 180 | - | - | - | - | - | - | 21.59 | 23.67 | 25.74 | 27.81 |
| 194 | - | - | - | - | - | - | 23.30 | 25.60 | 27.82 | 30.05 |
| 203 | - | - | - | - | - | - | - | - | 29.14 | 31.50 |
| 219 | - | - | - | - | - | - | - | - | 31.52 | 34.06 |
| 245 | - | - | - | - | - | - | - | - | - | 38.23 |
| 273 | - | - | - | - | - | - | - | - | - | 42.72 |
Formula: W (kg/m) = 0.02466 × Wall Thickness × (Outer Diameter- Wall Thickness)
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