News
-
Small Diameter ERW Steel Pipe Price June 24th 2021
API 5L/ASTM A53 GR.B (Small Diameter ERW Steel Pipe) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 33.4 (1″) 2.1-2.4 941.78 Φ133 3.0-5.75 915.43 2.5-...Read more -
Hot Rolled ERW Steel Pipe Price June 24th 2021
API 5L/ASTM A53 GR.B (Hot Rolled ERW Steel Pipe) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 219、245 5.0-11.75 909.22 426 5.75-11.75 932.48 273 5.0-11.75 909.22 ...Read more -
Hot Expanded ERW Steel Pipe Price June 24th 2021
API 5L/ASTM A53 GR.B (HOT EXPANDED ERW STEEL PIPE) Outside Diameter Wall Thickness FOB TIANJIN Outside Diameter Wall Thickness FOB TIANJIN 外径 (mm) 壁厚 (mm) 离港价 USD/TON 外径 (mm) 壁厚 (mm) 离港价 USD/TON 245, 273 5.0-9.28 909.22 450, 457, 508, 530 6.5-11.98 947.98 ...Read more -
Working principle of spiral seam submerged arc welded steel pipe
The spiral seam submerged arc welded steel pipe is drilled in rotation and begins to enter the soft formation. Under the action of the tri-cone, the drill first produces elastic shear deformation of the stratum and then is removed under the pressure of the tri-cone. In the simulated environment, ...Read more -
Advantages of coated composite steel pipe for fire protection
1. Hygienic, non-toxic, no fouling, no microorganisms, and guarantee of fluid quality 2. Resistant to chemical corrosion, soil and marine organism corrosion, cathodic disbondment resistance 3. The installation process is mature, convenient, and fast, and the connection is similar to ordinary galv...Read more -
The difference between hot simmering elbow and cold simmering elbow
The process is as follows: After the straight pipe is cut, the induction loop is put on the part of the steel pipe to be bent through the bending machine, and the pipe head is clamped by the mechanical rotating arm, and the induction loop is passed into the induction loop to heat the steel pipe. ...Read more