ASME BPVC 2239-1:2001 pdf free download

ASME BPVC 2239-1:2001 pdf free download Use of Permanent Mold Cast Aluminum Alloys UNS A13560 and A03570 Section VIII, Division 1
lnquiry: Mayaluminum alloys UNS A13560andA03570 in the overaged temper meeting the chemicalcomposition and mechanical properties given in Tablesl and 2 and other requirements of SB-108 be used inSection VImI,Division 1 construction?
Reply: It is the opinion of the Committee that aluminumalloys UNS A13560 and A03570 as described in the above Inquiry may be used in Section VIII,Division1 construction of pressure vessels，up to 300°F underthe following conditions:
(a) The maximum allowable stress values for thematerials shall be those given in Table 3.
(b) Welding is not permitted.
(c)External pressure applications are not permitted.
(d) Applicable parts of Section VII,Division 1 thatshall apply are those given in Part UNF.
(e) The castings shall be heat treated. The heattreatment shall be 980°F for 8 hours，followed by awater quench,then 440°F for 7.5 hours.
(f)This Case number shall be shown on the datareport and the marking of the material.