ASTM B163 is a standard specification that covers seamless nickel and nickel alloy condenser and heat exchanger tubes. The alloys covered by this specification include UNS N02200, UNS N02201, UNS N04400, UNS N06600, UNS N06601, UNS N06603, UNS N06690, UNS N06693, UNS N06025, UNS N06045, UNS N06022, UNS N06200, UNS N08020, UNS N08024, UNS N08026, UNS N08367, UNS N10276, UNS N10665, UNS N10675, UNS N10629, UNS N08031, UNS N08034, UNS N08036, UNS N08932, UNS N08926, and UNS R20033.
The ASTM B163 specification defines the requirements for the chemical composition, dimensions, mechanical properties, and other characteristics of seamless tubes made from these alloys. These tubes are used in a wide range of applications, including heat exchangers, condensers, and other similar equipment in the chemical, petrochemical, power generation, and other industries.
The standard provides guidelines for the manufacturing process, testing, and inspection of the tubes, including hydrostatic testing, non-destructive testing, and surface inspection. It also includes marking requirements and packaging for shipment of the tubes.
Overall, ASTM B163 is an important standard in the materials industry, as it provides a clear set of guidelines for the manufacturing and testing of seamless nickel and nickel alloy tubes for use in condensers, heat exchangers, and other critical equipment.