Straight seam welded pipe material

Commonly used materials in China are generally Q235A, Q235B, 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb, 16Mn, 20#, Q355, L245, L290, X42, X46, X70, X80 and so on. Among them, X42, X46, X56, X80 and other materials are API standard materials, which are not commonly used materials for pipes in China.

Use of straight seam welded pipe

Straight seam steel pipes are mainly used in domestic water supply engineering, petrochemical industry, chemical industry, electric power industry, agricultural irrigation, and urban construction. For liquid transportation: water supply and drainage. For gas transportation: gas, steam, liquefied petroleum gas. For structural use: for piling pipes, for bridges; for piers, roads, building structures, etc.