Generally seamless steel tubes are made by hot rolling or cold rolling with 10,20,30,35,45 high quality carbon steel and 16Mn, 5MnV low alloy structural steel or 30CrMnSi, 40Cr, 45Mn2, 40MnB alloy steel.
Seamless Steel Tube - Buy seamless steel tube, Precision Steel Tube Standard. Seamless Steel Tubes for Structural Purposes . GB/T 8162-2018. ASTM A519. DIN17121/EN 10297-1. JIS3441/JIS3444/JIS3445. Seamless Steel Pipes for Liquid Service GB/T 8163-2018. ASTM A106. Seamless Cold-drawn or Cold-rolled Steel Tubes for Precision Applications. GB/T 3639-2009. DIN1629/DIN2391 / EN 10305-1. Cold Drawn Shaped
Seamless carbon steel tube introduction Cangzhou Steel Application. Seamless carbon steel tube is used to transport liquid, such as oil, natural gas, coal gas, water and some certain solid materials.. The standards of seamless carbon steel tube. ASTM A 53 specification for black steel seamless pipes. API 5L specification for line pipe. ASTM A 106 Gr. B seamless carbon steel pipes for high-temperature service. ASTM A 161 seamless low-carbon and