Passivation

Passivation
Passivation

Item Name Type of Process Features

Passivation Capabilities Passivation

treatments for

cleaning and

descaling

corrosion-

resistant parts,

components,

equipment and

systems.

Passivating

steel removes

all impurities

and creates a

hard non-

reactive

surface film

that inhibits

further

corrosion.

Process Approvals Material Base Materials Worked

For Passivation we adhere to:

AMS 2700: Passivation of Corrosion Resistant Steels

BAC 5625: Passivation of Corrossion

Resistant Steels (Type II)

BAC 5751: Passivation of Stainless Steel DPS 9.07: Surface Treatment of Corrosion Resistant Steels

GAMPS 4103: Acid Cleaning of Ferrous Alloys GSS 7021: Acid Cleaning of Ferrous Alloys AMS-QQ-P-35-98: Passivation Treatments for Corrosion-Resistant Steel

Steel,

Stainless

Steel. Acid cleaning

creates

passivating

layer a few

atoms thick.

Types Automation

Additional

Operations

Quality

Control

Industries

Served

Passivation treatments shall be of the following types:

Type II - Medium temperature nitric acid solution with sodium dichromate additive

Type VI - Low temperature nitric acid solution

Type VII - Medium temperature nitric acid solution

Type VIII - Medium temperature high concentration nitric acid solution

Environmental Responsibility Experience

Minimum

Order

Drawing

Submissions

Special

Instructions

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