A479/A479M–20 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers andOther Pressure Vessels

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Designation: A479/A479M - 20 Standard Specification for Stainless Steel Bars and Shapes for Use in Boilers andOther Pressure Vessels11. Scope*1.1This specification2 covers hot- and cold-finished bars ofstainless stcel. including rounds.squares.and hexagons.andhot-rolled or extruded shapes such as angles, tees, and channelsfor use in boiler and pressure vessel construction.NonE l—There are standards covering high nickeL.chromium，aauste-nitic corrosion.and hcat-resisting alloy maierials.These standards areunder the jurisdictionm of ASTM Sabcoamamiltee B02.07 and may be foundln Aarual Book ef ASTM Standdards.Nol 02.04.1.2 The values stated in either Sl units or inch-pound unitsare to be regarded separatcly as standard. Thc values stated ineach system may not be exact equivalents; therefore.eachsystem shall be used independently of the other. Combiningvalues from the two systems may result in non-conformancewith the standard.1.3 Unless the order specifies the applicable “M" specifica-tion designation, the material shall be furnished to the inch-pound units.1.4 This internarional xrandared was developed inr accor-dance wirha isternationally recognized principles owe standdard-ization es

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