Valve Seat
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时间:6/9/2021 12:00:00 AM
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Considering the conical face and surface of valve seat of heavy-duty diesel engines are easy to be worn and corroded, based on original foundry material QZ1-QZ6(ZBJ93002-87), alloy steel material 42CrMo, Cr12MoV and W18Cr4V valve seats developed, as well resurfacing-welding steel valve seat developed, using heat-resistant steel 4Cr10Si2Mo as base material, welding Satellite alloy on sealing face and then spraying Me Tco alloy on inner surface.
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