ASTM-A479 › Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
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1.1 This specification covers hot- and cold-finished bars of stainless steel, including rounds, squares, and hexagons, and hot-rolled or extruded shapes such as angles, tees, and channels for use in boiler and pressure vessel construction.
Note 1—There are standards covering high nickel, chromium, austenitic corrosion, and heat-resisting alloy materials. These standards are under the jurisdiction of ASTM Subcommittee B02.07 and may be found in Annual Book of ASTM Standards, Vol 02.04.
1.2 The values stated in either inch-pound units or SI (metric) units are to be regarded separately as standards; within the text and tables, the SI units are shown in [brackets]. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.
1.3 Unless the order specifies the applicable "M" specification designation, the material shall be furnished to the inch-pound units.
austenitic stainless steel; austenitic-ferritic duplex stainless steel; ferritic stainless steel; martensitic stainless steel; pressure containing parts; pressure vessel service; stainless steel bars; stainless steel shapes; temperature service applications-high; ICS Number Code 77.140.30 (Steels for pressure purposes)
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Nov. 15, 2021