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Русский Translations » 【静设备】 » Обозначение стали

Обозначение стали

2019-09-20View Original

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Уважаемые коллеги, следует ли писать об изделиях из стали Q345 как Q345Ⅱ или 16MnⅡ?
Reply #22019-09-20
NB/T 47008-2017, только 16MnⅡ
Reply #32019-09-20
r пишется по марке материала, я думаю, Q345RII
Reply #42019-09-20
r пишется по марке материала, я думаю, Q345RII
Reply #52019-09-20
Разве новый стандарт не отменяет класс 16 МН?
Reply #62019-09-21
Разве сейчас не всё Q345? Наверное, Q345R!
Reply #72019-09-21
Ковки из углеродистой и низколегированной стали, код 47008

Translated at 2026-08-01 19:25:54

Original: https://bbs.hcbbs.com/thread-2784487-1-1.html

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