| 摘要 |
A tube for forming a nuclear fuel assembly guide tube or sheath. The tube is made of an alloy containing 1.0-1.7 wt % of tin, 0.55-0.8 wt % of iron, 0.20-0.60 wt % total of chromium and/or vanadium, and 0.10-0.18 wt % of oxygen, carbon and silicon being present in amounts of 100-180 ppm and 50-120 ppm respectively, while the only other components of the alloy are zirconium and the unavoidable impurities.
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