1)Standard:ASTM B337, B338, B861, B862 2)Material:GR1 GR2 GR3 GR4 GR5 GR7 GR9 GR12 3)Dia. 4~114mm 4)Delivery: 7-35 days 1. SpecificationsStandardASTM B337, B338, B861, B862MaterialGR1,GR2,GR3,GR5,GR9Dia.φ4~114mmThicknessδ0.2~4.5mmLength≤15m2.Feature: 1)high strength.2)fine corrosion resistance.3)low density, light weight.4)high/low temperature resistance.5)high resistance to strong acid.alkali3. ...