Titanium Alloy Ferrule Fittings Specification Dimension : DIN, ASTM, BS and all International StandardsPTFE Standards : ASTM D1710, ASTM D3294Size : 1/16â€OD to 2â€OD, 2mm OD to 50mm ODPressure Rating : 6000PSI for Stainless Steel, 300/1000/3000PSI for BrassThread : NPT, BSP, BSPT, UNF, ISO, SAE etc.Grades : GR I, GR -2, GR-3, GR-4, GR-5, GR-7