Domestic materials are Q235A, Q235B, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, 16Mn, 20 #, Q345, L245, L290, X42, X46, X70, X80

The billet used in the LSAW steel pipe is steel plate or strip steel. LSAW steel pipe divided into the following varieties due to different materials and uses:

GB / T3091-2008 (Welded steel pipe for low-pressure fluid transportation). Mainly used for conveying water, gas, air, oil, heating hot water or steam and other low-pressure fluids and other use pipes.

GB / T14291-2006 (Welding steel pipes for mine fluid transportation). Mainly used for LSAW steel pipes for mine pressure, drainage, shaft gas discharge.

GB / T12770-2002 (stainless steel welded steel pipe for mechanical structure). Mainly used in machinery, automobiles, bicycles, furniture, hotel and restaurant decoration and other mechanical parts and structural parts.

GB / T12771-1991 (stainless steel welded steel pipe for fluid transportation). Mainly used to transport low-pressure corrosive media.