Hebei Canghai Nuclear Equipment Technology Co.Ltd. has more than 20 years of experience in the professional production of Spiral welded pipess.Spiral welded pipes are mainly used in water engineering, petrochemical industry, chemical industry, power industry, agricultural irrigation, and urban construction. Used for liquid transportation: water supply, drainage, sewage treatment engineering, mud transportation, ocean water transportation. Used for gas transportation: gas, steam, liquefied petroleum gas. Used as a structure: as a pile driving pipe, as a bridge; Pipes for docks, roads, building structures, ocean pile driving pipes, etc.Standard:GB/T 3091, GB/T 13793, ASTM A252, ASTM A53, ASTM A500, EN 10210, EN 10219, API 5L,DIN 1626/1615, DIN 17120, etc.Grade:SS400, Q235, Q345, Q460, A572 Gr.50, A572 Gr.60, S235, S275, S355, Grade A/B, X42, X52,X60, X70, etc.