#1ASTM B338/ ASME SB338 TITANIUM ALL...by YUHONG101https://www.nickelalloytubes.com/products/astm-b338-asme-sb338-titanium-alloy-steel-pipe-tube/ ASTM B338/ ASME SB 338 Titanium Tube (Ti Tube) has a superior strength-to...asmesb338