ASTM B171/B171M-18,Standard Specification for Copper-Alloy Plate and Sheet for Pressure Vessels, Condensers, and Heat Exchangers.
ASTM B171/B171M-18n establishes the requirements for copper-alloy plate, sheet, and circles cut from plate and sheet for pressure vessels, condensers, and heat exchangers.
Materials and Manufacture
The material of manufacture shall be cast cake of the Copper Alloy UNS No.specified in the purchase order of suchpurity and soundness as to be suitable for processing into the products prescribed herein.
When specified in the contract or purchase order that heat identification or trace ability is required, the purchaser shall specify the details desired.
Chemical Composition
The materials shall conform to the chemical compositional requirements specified in Table 1 for the copper [alloy] UNS designations specified in the ordering information.
These composition limits do not preclude the presenceof other elements.By agreement between the manufacturer and purchaser, limits may be established and analysis required for unnamed elements.
ASTM B171/B171M-18 pdf is free to download.The size of this  pdf file is 2.34M

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