API 5L GR.B Carbon Spiral Welded SSAW Steel Pipe Spiral welded pipe: It is made by rolling a low carbon carbon structural steel or a low alloy structural steel strip into a tube blank at a certain angle of a helix (called a forming angle), and then welding the pipe seam, which ...
API 5L ASTM A53 StandardCarbonWelded ERW Steel Pipe ERW Steel Pipe-Electric Resistance Welded Steel Pipe is made of hot-rolled steel coils/sheets that have been put in a process know as cold roll forming. Used for low pressure liquid delivery, such as water, gas, and oil. Oil ...
Seamless steel pipe is a kind of long steel with hollow section and no joint around it. Steel pipe has hollow section, which is widely used as pipeline for conveying fluids, such as oil, natural gas, gas, water and some solid materials. Compared with solid steels such as round ...