Best Price Marine Copper Needle Valve

The Marine Copper Needle Valve stacks up as the thickness of the spray layer increases. When the coating metal solidifies and crystallizes, the copper needle valve forms metal segregation due to the presence of a large number of low-melting eutectic crystals, which creates conditions for the formation of cracks. Marine copper needle valve size combined with the coarse grains and grain boundaries caused by cemented carbide bonding greatly reduce the toughness of the material and reduce cracks. ...

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