ASME BPVC 2239-1 pdf download

ASME BPVC 2239-1 pdf download

ASME BPVC 2239-1 pdf download Case 2239-1 Use of Permanent Mold Cast Aluminum Alloys UNS A13560 and A03570 Section VIII, Division 1
Inquiry: May aluminum alloys UNS A13560 and A03570 in the overaged temper meeting the chemical composition and mechanical properties given in Tables 1 and 2 and other requirements of SB-108 be used in Section VIII, Division 1 construction?
Reply: It is the opinion ofthe Committee that aluminum alloys 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.

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