Product externally alloyed with ZR, method for manufacture of sa

Details Product externally alloyed with ZR, method for manufacture of sa Product externally alloyed with ZR, method for manufacture of sa

1994-09-22

1997-04-22

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148672, C22F 118

Patent

active

056225741

ABSTRACT:
A product having at least an exterior surface formed by a Zr alloy comprising the following addition elements (% by weight): Sn 0.40 to 1.70, Fe 0.05 to 0.25, Cr 0.03 to 0.16, Ni less than 0.08; the following maximum amounts of impurities (ppm): Al 75, B 0.5, Cd 0.5, C 270, Co 20, Cu 50, Hf 100, H.sub.2 25, Mg 20, Mn 50, Mo 50, N.sub.2 65, Si 120, Ti 50, W 10, U total 3.5; with the balance being O.sub.2 and Zr, wherein the Zr alloy has an Ni content which is greater than 70 ppm and less than 300 ppm.

REFERENCES:
patent: 4775508 (1988-10-01), Sabol et al.
patent: 4810461 (1989-03-01), Inagaki et al.
patent: 4879093 (1989-11-01), Garde
patent: 4908071 (1990-03-01), Anderson et al.
patent: 5112573 (1992-05-01), Foster et al.
patent: 5125985 (1992-06-01), Foster et al.
patent: 5242515 (1993-09-01), Worcester et al.
patent: 5437747 (1995-08-01), Adamson et al.

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