The utility model discloses a hinge for an insulating cover of a steel ladle, which comprises a fixed slot, a rotating slot, a rotating shaft, a pin key, a pin slot, and a supporting arm.

本实用新型公开了一种钢包保温盖铰链，该机构包括固定槽，转动槽、转动轴、销键、销槽支撑臂。

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Hinge to be welded in door slot.

门铰必须焊在门凹位里。

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