... : Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,G9,Gr12,Gr23 etc 3.Dimension:DN15~600 (NPS1/2~24) 1. Product Name ... Material:Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12,Gr23 3. Standard:ASTM B336,ASTM B337,ASTM B861,ASTM B862,ANSI ... as Requests 11.Features:1)Small Density 2) High Strength 3) No Dust 4)Anti-acid Corrosion12.Chemical composition: Element Composition ... 6.754.0-4.6 2.5-3.5 V 3.5-4.5 2.0-3.0 ASTM B363 90 Degree Titanium Elbow ...