Construction Welding Steel Tubing Water Wall Panel Seamless Cold Drawn Steel Tube
Product Details
welded steel pipe
,welding steel tubing
EN 10208 Standard Steel Pipe for Construction
The pipe follow the EN10208 standard are the seamless or welded steel pipe for the on land transport of combustible fluids primarily in gas supply systems but excluding pipeline applications in the petrolrum and nature gas industries.
Torich Interational Co.,Ltd is a professional manufacturer and exporter of steel pipes materials.
It is an international marketing and sales company specialized in steel tubes, which holds the factories of Seamless Steel Tubes with Carbon and Alloy Steel Grade, Welded Precision Steel Tubes,DOM Steel Tubes, Seamless & Welded Stainless Steel Tubes with Nickel and Alloy Steel Grade.
Our factory was established since 1997, with the name of Haiyan Sanxin Steel Pipe Co., Ltd. The factories` technicians are of great engineering experience in steel pipe industry for more than 20 years, which are in great command of production technology for Cold Drawing and Cold Rolling. So we have strong technician team and manufacturing capability.
Table 1 Type of piping and manufacturing route (starting material , pipe forming and heat treatment conditions)
Table 2 Chemical composition of the cast analysis
Table3 Permissible deviations of the product analysis from the specified limits on cast analysis given in
Table 4 Requirements for the result of tensile and bend test and for the hydrostatic test
Table 5 Tolerance on wall thickness
Table 6 Maximum permissible offset of SAW and COW pipes
| Specified wall thickness T | Maximum permissible radial offest |
| T ≤ 10 | 1.0 |
| 10<T ≤ 20 | 0.1T |
| T>20 | 2.0 |
| For strip and weldeds otheer requirements may be agreed. | |
Table 7 Maximum permissible weld bead of SAW and COW pipe
| Specified wall thickness T
| Maximum height of the weld bead |
| T ≤ 12.7 | 3 |
| T >12.7 | 4.8 |
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