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Problems with flat iron and steel plates

2009-03-20View Original

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I would like to ask the teachers: what is the name of the steel plate used to make ladders? What do the specifications for flat iron samples represent? Thank you!
Reply #22009-03-20
Build a straight ladder? The frames are made of Q235 angle iron; angles of 60*60*4 will suffice. The gears are made of Q235 round steel, with a diameter of 18 being appropriate. The guardrails are made of Q235 flat steel; dimensions of –30*3 will work fine

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Translated at 2026-07-28 02:50:53

Original: https://bbs.hcbbs.com/thread-421196-1-1.html

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