... /ton hot dipped galvanized steel pipe SPECIFICATIONSPECIFICATIONSPECIFICATION1/2"*1.51.2"*1.73"*2.21.61.82 ... .53/4"*1.52.75-3.02.751.61.5"*2.03.01.72.1 1.82.26 ... content:170-350g per m28)applications:petroleum,power,gas metallurgy,papermaking,chemical,medical equipment,aviation,boiler ... heat,exchanger,shipbuilding,construction,etc.9)addition:1.special design available according to requirement. ...