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駒尋生產4j29精密合金管件 無縫管 4j29精密管
4j29棒材 4j29板材 4j29合金線可切割4j29棒材、4j29板材可切割大量現貨產品介紹以下為典型化學成份及機械性能(ASTM )參考相近牌
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駒尋庫存熱銷4J50精密合金板 鐵鎳定膨脹玻封 4J50窄帶
4J50精密合金詳情描述4J50(執行標準GB/T 15018-1994)4J50的化學成分:合金%磷硫鎳銅碳錳硅鐵4J50小490.150.75余大0.0200.02050.
2020-04-14
駒尋供應4j29精密合金帶材管件可定做棒材耐腐蝕高精度
4J29 精密合金 可伐(Kovar)合金4J29合金又稱可伐(Kovar)合金。該合金在20~450℃具有與硅硼硬玻璃相近的線膨脹系數,居里點較
2020-04-13
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