China 7crsimnmov HMD5 CH-1 Flame Hardening Steel for hmd5 ch 1 7crsimnmov forged tool steel round bar manufacture
7crsimnmov HMD5 CH-1 Flame Hardening Steel for Automobile Mould. Loading hmd5 ch 1 7crsimnmov forged tool steel round bar manufacture Model NO. This steel can be directly used for cylinder, cylinder, shock absorber, textile printing and dyeing, printing machinery guide rod, die-casting machine, injection molding machine guide plunger and four-column press guide post, fax machines, printers and other modern office machinery guide shaft and some
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gb 12kg light steel rail q235b