焊接結(jié)構(gòu)用軋鋼料 JIS G 3106 - 2008
NE=Non-rimming(鎮(zhèn)靜鋼)
GF=These steels shall have a sufficiently high content of elements to produce a fine-grained structure (for example total Al 0.02% or over)
GF=These steels shall have a sufficiently high content of elements to produce a fine-grained structure (for example total Al 0.02% or over)
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