Grade |
Recommended application |
ZY35 ZY35A |
High hardness and good wear resistance.Used in the counting down two of finish rolling and reducing stands. |
ZY34 ZY34A |
Better wear resistance.Used in the stands counting down two of finish rolling and reducing stands. |
ZY33 ZY33A |
Moderate wear resistance and impact resistance.Used in the wear stands of finish rolling. |
ZY31 ZY31A |
Moderate wear resistance,good impact resistance.Used in the front stands of finish rolling.Also in the rear stands of finish rolling under unstable operation. |
ZY30 ZY30A |
Better toughness.Uesd in the first and second stands of finish rolling or reducing stands.Also in the rear stands of finish rolling under unstable operation. |
ZY29 ZT29A |
Good impact resistance.Used in the first and second stand of finish rolling,the last two stands of pre-finish rolling and the reducing stands as well. |
ZY28 ZY28A |
High binder content,good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel. |
ZY27 ZY27A |
Good toughness and thermal cracking resistance.Used in the stands of prefinish rolling.Suitable for hot rolling thread steel. |
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