... Standard: ASTM, ASME, AMS, DIN, ISO, JIS Designation:Grade 1- Grade 4, Grade 5, Grade 7, Grade 9, Grade 11 Chemical composition ... .25Al 5.5-6.754.0-4.6 2.5-3.5 V 3.5-4.5 2.0-3.0 Titanium ... ingot description: (1). Cp grade 1 can be used in the ... ). Cp grade 3 is almost used in pressure,vessel. (4). Cp grade 4 can be used in some fittings parts and fastening ...