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ASME B16.5 forjou flange cega da pá do aço de liga classe 150 de 1/2 da”2025-09-26 11:11:56 |
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4" flange WN RF ASME B16.5 150 libra ASTM B564 UNS NO8825 Nace de SCH10S2025-11-28 16:27:39 |