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Passivation and Black Oxide Coating of Hydraulic Components

This project involved the passivation (or cleaning) of hydraulic components prior to the application of a class 4 black oxide coating. The coated components were shipped to the customer's location in California, along with coating certifications, within 2 days of receipt of order. As these hydraulic components were to be used for aerospace applications and had low tolerance towards dimensional change, we finished them to MIL-C-13924 black oxide coating standards. Our passivation services complied with AMS2700 and QQ-P-35 aerospace standards for corrosion resistant steel. Thorough visual inspection was carried out to ensure that our passivation and black oxide coating services adhered to the customer-specified QA requirements.

Specifications

Capabilities Applied/Processes	Passivation and Black Oxide Coating
Base Material	Stainless Steel, 17-4 PH per AMS 5643 condition 1150
Material Finish	Black Oxide, Class 4
Secondary Operations Applied	Double Alkaline and acid clean, visual inspection
Industry for Use	Aerospace
Volume	98 components
Delivery Time	2 Days
Delivery Location	Los Angeles, CA
Standards Met	MIL-C-13924 Black Oxide Finishing AMS2700 Passivation of Corrosion Resistant Steels QQ-P-35 Passivation Treatments for Corrosion Resistant Steel
Special Instructions	Certifications required with shipment, Additional QA Requirements submitted
Product Name	Hydraulic Components
Project Description	This project involved the passivation (or cleaning) of hydraulic components prior to applying black oxide coating to the stainless steel surface.