ASTM B165 (UNS N04400) Seamless Pipe and Tube ASTM B165 covers nickel-copper alloy UNS N04400 in the form of cold-worked seamless pipe and tube. Dimension: Pipe OD: 10.3-219.1MM WT: 1.2-12.7MM Tube OD: 9.53- 31.8MM WT: 0.889- 6.35MM ASTM B165 UNS N04400/Monel 400 Chemical Composition ASTM B165 UNS N04400/Monel 400 Mechanical Properties Linkun is one of the leading China Nickel Alloys manufacturers and suppliers, if you want to buy or import best high-quality astm b165 (uns n04400) seamless pipe and tube professional company, factory, seller, and exporter, or if you are checking steel brands, please feel free to contact us.