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 ...
API 5L Seamless Pipe for Boiler CarbonSeamless Boiler Tube For Manufacture wall panel,economizer, re-heater, super-heater and steam pipeline of boilders. 1.Generally, the temperature of boiler tubes is below 350 C. Domestic tubes are mainly made of 10 and 20 carbon-bonded steel ...