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English Translations » 石油化工圈(深加工) » 【Daily Question No. 255】November 2, 2020

【Daily Question No. 255】November 2, 2020

2020-11-02View Original

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【Daily Question No. 255】November 2, 2020: Cast iron pipes are more resistant to corrosion than steel pipes. True or False ( ) Please reply within two days.
Reply #22020-11-03
Wrong; cast iron contains many impurities. Moreover, steel pipes include stainless steel pipes – so why is it claimed that cast iron has strong corrosion resistance?
Reply #32020-11-03
Correct. Explanation: Compared to steel pipes, cast iron pipes have advantages such as stronger corrosion resistance, lower cost, and better durability, making them suitable for burial. The disadvantages include brittleness, heavy weight, and short length per tube.

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Translated at 2026-07-21 04:42:46

Original: https://bbs.hcbbs.com/thread-3114763-1-1.html

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