... Polished bright surface Standard: ASTM B337, ASTM B338 ASTM B861 1. Grade: Gr1, Gr2 , Gr3,Gr5(Ti-6Al-4V), ... Standard: ASTM B337, ASTM B338 ASTM B8613. Production Description: 1) Size: Outer Diameter: 4-325mm Inside Diameter: 3-300mm 2 ... , automotive, biomedical, chemical processing, marine, military, oil, tooling, racing. (1)Heat exchangers and condensers (2)All kinds of corrosive fluid transmission ...