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Unformatted text preview: the difference between the sum of all elements analyzed and 100%. When all major elements in Table 1 are analyzed, their sum shall be as follows: Copper plus named elements, 99.3% minimum 5.3 It is recognized that residual elements may be present in cast copper base alloys. Analysis shall be made for residual elements only when speciﬁed in the purchase order (Speciﬁcation SB-824). 9.1 The certiﬁcation requirements of Speciﬁcation B 824 are mandatory. 10. Product Marking 10.1 Valves, ﬂanges, and ﬁttings shall be marked in accordance with the latest revision of the Standard Marking System for Valves, Fittings, Flanges, and Unions (No. SP-25) of the Manufacturers Standardization Society of the Valve and Fittings Industry, and in such position as not to injure the usefulness of the casting. 11. Keywords 6. Mechanical Properties 11.1 Navy M castings; steam bronze castings; valve castings 6.1 Mechanical properties shall be determined from separately cast test bars and shall meet the requirements shown in Table 2. 34 COPYRIGHT American Society of Mechanical Engineers Licensed by Information Handling Services...
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This note was uploaded on 10/04/2010 for the course ENGINEERS 22453175 taught by Professor Heydari during the Spring '08 term at Miami University.
- Spring '08