1.Diameter:100*40,80*50 or customization 2.Standard:ASTM B160 3. ... NO2201≥99.0≤0.25≤0.40≤0.35≤0.02≤0.35≤0.01 standard seamless tubeheat exchange tubewelded tubeplatebarstripUNS ... ,bar/rod:gr1,gr2,gr5,ni200,ni201 round,sheet,tube, 100*40/100*45,80*45,60*45² Titaniumclad copper:Tu2,Tu3 ...