ASTM B550 / B550M - 07(2012)
Standard Specification for Zirconium and Zirconium Alloy Bar and Wire
This specification covers three grades of zirconium and zirconium alloy bar and wire as grade R60702, unalloyed zirconium; grade R60704, zirconium-tin; and grade R60705, zirconium-niobium. The chemical composition; and mechanical properties requirements, such as tensile strength, yield strength, and elongation; are detailed.
Bars And Rods - Wires - Zirconium - Zirconium Alloy Bars - Zirconium Alloy Wires - Zirconium-Niobium Alloys - Zirconium-Tin Alloys
Identical with ASTM B550, ASME SB-550 is the standard specification for zirconium and zirconium alloy bar and wire. There are also three grades available: Gr. R60702 (unalloyed Zr), Gr. R60704 (Zr-Sn alloy), Gr. R60705 (Zr-Nb alloy). The zirconium bar may be furnished in hot rolled, cold worked, or hot rolled and annealed condition. The cross sectional area of a bar is equal to or less than 16 inch2 [10323 mm2]; rectangular bar must be less than or equal to 10 inch [254 mm] in width and greater than 0.1875 inch [4.8 mm] in thickness. Zirconium wires refer to rounds, flats, or special shapes less than or
equal to 0.1875 inch [4.8 mm] in thickness or major dimension. The wire shall be furnished in cold worked, or cold worked & annealed condition.
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