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Q345Cح16Mn/Q345DحQ345EحQ420Cح15MnVNحQ420DحQ420Eִб׼GB/T1591(

ʱ䣺2016-06-15 ?? Դ15637584700 ??

Q345C/16Mn/Q345D/Q345E/Q420C/15MnVN/Q420D/Q420E/ִб׼/GB/T1591(GB/T3274)

Q345C/Q345D/Q345E  Q345C/16Mn/Q345D/Q345E/Q420C/15MnVN/Q420D/Q420E/ִб׼/GB/T1591(GB/T3274)

;Ӧƺ16MnۺѧܺãܡȼӹܺʴܾãC DE־õĵԡҪڴ¯ѹʯʹޣվ豸еϸغɵĺӽṹ

Q420C/Q420D/Q420E  Q345C/16Mn/Q345D/Q345E/Q420C/15MnVN/Q420D/Q420E/ִб׼/GB/T1591(GB/T3274)

;Ӧƺţ15MnVNǿȸߣرӻػ״̬нϸߵۺѧܡ
Ҫڻػеɽ еͺӽṹ

ִб׼GB/T1591(GB/T3274)Q345C/16Mn/Q345D/Q345E/Q420C/15MnVN/Q420D/Q420E/ִб׼/GB/T1591(GB/T3274)

״̬ȣ Q345C/16Mn/Q345D/Q345E/Q420C/15MnVN/Q420D/Q420E/ִб׼/GB/T1591(GB/T3274)

Ҫ̽ˡZ15-Z35ȷҪ󡢸ǿȸҪȸְ塣

Q345C/16Mn/Q345D/Q345E/Q420C/15MnVN/Q420D/Q420E/ִб׼/GB/T1591(GB/T3274)


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