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  1. Marcos Diaz Venegas

    Can be replace Grade 4 nuts by Grade 7 nuts?

    Hi metengr, The standard available in my company is 2015. I have reviewed the norm again and the table 1 of chemical composition, indicates that for the Gr.4 applies his G-Note. The note G says exactly: "Grade 4 is expected to be withdrawn within approximately 2 years. Grade 7 is an...
  2. Marcos Diaz Venegas

    Can be replace Grade 4 nuts by Grade 7 nuts?

    Hi, I need confirmation that ¿is possible replace ASTM A194 Gr.4 nuts by Gr.7? The ASTM A-194 in paragraph 7.2 say "Grade 7 may be substituted for Grade 4. When such substitution is made, the nuts shall be marked as Grade 7", but I'm not know if this change is possible in opposite case. Thanks...

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