30Cr hot rolled and forged round bar is alloy structural steel under the standard of GB/T 3077-1999.More information about 30Cr hot rolled and forged round bar , please feel free to contact us.
The material 9Cr2Mo is typical Cr2 cold roller steel under the standard YB3204-80. 9Cr2Mo is used in the manufacture of cold rolled with roller, pressure roller, cold die and punch, etc.
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