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Plating Zinc for stainless steel hydraulic hose fittings

Edit： Click：153 Date：2022-05-23

Hydraulic Hose Fittings Plating ways:

Ordinary plating color zinc time 40 hours
Ordinary blue and white zinc time 20 hours
Ordinary third-order blue and white zinc 72 hours
No red rust in 48 hours after third-order blue and white salt spray test
Three - order electroplating colorful zinc salt spray test 72 hours without red rust.

as the stainless steel hydraulic fittings, we often use the No.4 way:

No red rust in 48 hours after third-order blue and white salt spray test .

that can ensure the high quality. When plating those air line connectors ferrules, we also pay attention to the H2.

If there is too much of H2. it is easy to broke on the steel tube fittings surface, as the picture:

So when those refrigerant hose fittings are plating, We must control the H2. If too much happens, another good action can recover the quality.

put the bad female hose connector into the oven for 4 hours(190 degree) then H2 will decrease that can make the steel tube fittings more soft.

L&M is an excellent automotive air conditioning parts hydraulic hose fittings supplier from China. Our company's products focus on automotive A/C hose fittings.

The scope of application covers: passenger cars, refrigerated vehicles, buses, agricultural machinery and engineering vehicles, etc.

The complete variety and specifications of hydraulic compression fitting mainly include: ATCO beadlock stainless steel hydraulic fittings / Manuli SAE J2064 TYPE-E hydraulic quick connect couplings/ E-Z clip air line fittings and Burgaflex-quick clip refrigerant hose fittings type. We also can produce some steel tube fittings according to customer specific requirements.

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