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English Translations » 【设备腐蚀】 » What level has such artificial mechanical metal surface trea

What level has such artificial mechanical metal surface treatment reached (S--)?

2026-04-06View Original

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This post was last edited by Wang Wei2 on 2026-4-6 09:33. The images below show manual and mechanical methods being used to treat the metal surface of equipment at the production site; what grade (St--) has this surface treatment reached?
Reply #22026-04-06
St 2, it feels too rough

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Translated at 2026-07-26 08:45:22

Original: https://bbs.hcbbs.com/thread-5717163-1-1.html

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