ASME SECTION II B SB-551-SB-551M-2008 标准规范下载.pdf

2008a SECTION II, PART B SB-551/SB-551M SPECIFICATION FOR ZIRCONIUM AND ZIRCONIUM ALLOY STRIP, SHEET, AND PLATE SB-551/SB-551M (Identical with ASTM Specification B 551/B 551M-07.) A08 1. Scope 3.3 Forms: 1.1 This specification covers five grades of zirconium 3.3.1 strip, n — a flat product, may be supplied in strip, sheet, and plate. coil, less than 6 in. (150 mm) in width and from 0.005 in. 1.2 Unless a single unit is used, for example corrosion (0.13 mm) to 0.188 in. (4.8 mm) in thickness. mass gain in mg/dm2, the values stated in either inch- 3.3.2 sheet, n — a flat product 6 in. (150 mm) or pound or SI units are to be regarded separately as standard. more in width and from 0.005 in. (0.13 mm) to 0.188 in. The values stated in each system are not exact equivalents; (4.8 mm) in thickness. therefore each system must be used independently of the other. SI values cannot be mixed with inch-pound values. 3.3.3 plate, n — a flat product more than 0.188 in. (4.8 mm) in thickness. 1.3 The following precautionary caveat pertains only to the test method portions of this specification: This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the 4. Classi