... ,DIN,BS 4.material:20G,15MoG,12Cr1MoV 1.seamless high pressure bolier pipe 2.O.D:6-750mm,W.T:1- 60mm ... ,JIS G3461-1998,JIS G3462-1998,DIN17175-1979,BS3059;low pressure boiler pipe standard:GB3087-1999,ASTM A179,ASTM A192,ASTM SA179 ... Cold Drawn Low Carbon Steel Heat Exchanger And Conderser TubesApplication:For tubular heat exchangers,condensers,and similar heat transfer apparatus.Grade and Chemical ...