Monday, July 30, 2012

[metal] - GalvInfo Series Hop Dip Metal Coating : tài liệu training về mạ kẽm nhúng nóng cơ bản nhất

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GalvInfo Notes Table of Contents
For Use With Printed Collections of GalvInfoNotes
1. Metallic-Coated Products and Specifications
1.1 Understanding Coating Weight Designations for Zinc-Based Coatings on Steel Sheet
1.2 Hot-Dip Coated Sheet Products
1.3 Galvanneal - Differences from Galvanize
1.4 55% Aluminum-Zinc Alloy-Coated Steel Sheet
1.5 ASTM Standards for Coated Sheet Products
1.6 Selecting Coating Thickness (Weight or Mass) for Galvanized Steel Sheet Products
1.7 Advantages of Metallic-Coated Steel Framing in Residential Buildings
1.8 Steels Used in Coated Sheet Products
1.9 Zinc-5% Aluminum Alloy-Coated Steel Sheet
1.10 Useful Galvanized Sheet Metrics

2. Coating Processes and Surface Treatments
2.1
The Continuous Hot-Dip Coating Process for Steel Sheet Products
 2.2
The Continuous Electroplating Process for Steel Sheet Products
 2.3
Continuous Hot-Dip Galvanizing versus General (Batch) Galvanizing

 2.4 The Role of Aluminum in Continuous Hot-Dip Galvanizing
2.4.1
Zinc Bath Management on Continuous Hot-Dip Galvanizing Lines
 2.5
Control of Coating Weight (Mass) for Continuous Hot-Dip Galvanized Sheet Products
 2.6
The Spangle on Hot-Dip Galvanized Steel Sheet
 2.7 Galvanizing – The Use of Chemical Fluxes
2.8
Improving Uniformity of Appearance
 2.9 Treatments for Enhancing Formability
2.10 Imparting Resistance to Storage Stain
2.11 Preparing Galvanize for Field Painting
2.12 Pretreatments for Metallic-Coated Sheet
2.13 Treatments for Resistance to Handling and Fingerprint Marks

3. Corrosion – Mechanisms, Prevention, and Testing
3.1
How Zinc Protects Steel
 3.2
Protecting Galvanized Steel Sheet Products from Storage Stain
 3.3
Dark-Colored Stains on Galvannealed Sheet
 3.4
The Salt Spray Test
 3.5
Fretting Corrosion (Transit Abrasion) on Galvanized Sheet

 4. Prepainted Metallic-Coated Steel Sheet
4.1
Introduction to Painted, Metallic-Coated, Steel Sheet Products
 4.2
Prepainted Metallic-Coated Steel Sheet for Building Panels – Assuring Good Performance
 4.3
Repair Painting of Prepainted Metallic-Coated Steel Sheet
 5. General Coated Sheet Topics
5.1
Hardness Measurement of Coated Sheet
 5.2
Zinc Grades Used for Continuous Hot-Dip Galvanizing