... . Grade: Gr1,Gr2,Gr3,Gr4,Gr5,Gr7,Gr9,Gr12,Gr23ELI 2. Size:Dia1.0--280mm * L, Length up to 6000mm ... Standard: ASTM B348,AMS 4928, ASTM F67, ISO5832/2,ASTM F136, ISO5832/3,AMS 49304.high-accuracy:H6 H7 H8 H95. ... Annual Export Quantity: 500T/year.6.Processing technique:rolled/forged. ... 40.20.20.250.150.180.25Al 5.5-6.754.0-4.6 2.5-3.5 V 3.5-4.5 2.0-3.0