helical welded pipe 1)standard:ASTMA50,ASTMA53,JISG3475,JISG3444 2) application: struciton,low-pressure fluid 3) type:welded

helical welded pipe 1)standard:ASTMA50,ASTMA53,JISG3475,JISG3444 2) application: struciton,low-pressure fluid 3) type:welded

helical welded pipe1standard:ASTMA50,ASTMA53,JISG3475,JISG3444,JISG3445,JISG3441,DIN17455,DIN17123,SEN10208,BS1717-1983,NFE10208,ISO93301,ISO93302,ISO93303,ISO93304,ISO93305,ISO933062) application: struciton,low-pressure fluid

3) type: welded

helical welded pipe