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鋼材表記

2019-09-20View Original

Thread Content

皆さん、Q345の鍛造品はQ345Ⅱと書くべきでしょうか、それとも16MnⅡでしょうか?
Reply #22019-09-20
NB/T 47008-2017、16MnⅡのみ
Reply #32019-09-20
rは材質の規格番号で表し、Q345RIIだと思います
Reply #42019-09-20
rは材質の規格番号で表し、Q345RIIだと思います
Reply #52019-09-20
新基準では16 MNの規格は廃止されたのでは?
Reply #62019-09-21
今はみんなQ345じゃないの?Q345Rでしょう!
Reply #72019-09-21
炭素鋼・低合金鋼鍛造品 47008を参照

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