In long-distance pipeline transportation projects, pipeline welding is often the most important processing step, so the choice of welding joints and welding methods during processing will become more important. In general welding operations, fixed welding, rotary welding, and prefabricated welding a

After completing the purchase, the general buyer inspects and cleans the pipeline. The purpose of destruction is:1. Check the quality of pipeline products2. Clean the inside of the pipe3. Clear all events in the pipeline to react with the passing materialThe important part of pipeline cleaning, what

The spiral steel pipe is treated like a steel strip in the spin direction of the coiling machine...

API 5L/ASTM A53 GR.B, CARBON STEEL, SSAW STEEL PIPEFOB TIANJINUSD/TONOutside Diameter 外径 (mm)219273324356406457508610711762813914Wall Thickness6987987987987987987987987987987987987壁厚 (mm)79879879879879879879879879879879879878987987987987987987987987987987987987998798798798798798798798798798710987987