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Database: 189760 (18 Oct 2025)
GB/T 20121-2006 English PDF
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GB/T 20121-2006
: Corrosion of metals and alloys -- Corrosion tests in artificial atmosphere -- Accelerated outdoor test by intermittent spraying of a salt solution (Scab test)
Status: Valid
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GB/T 20121-2006
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Corrosion of metals and alloys -- Corrosion tests in artificial atmosphere -- Accelerated outdoor test by intermittent spraying of a salt solution (Scab test)
Valid
GB/T 20121-2006
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Basic data
Standard ID
GB/T 20121-2006 (GB/T20121-2006)
Description (Translated English)
Corrosion of metals and alloys -- Corrosion tests in artificial atmosphere -- Accelerated outdoor test by intermittent spraying of a salt solution (Scab test)
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
H25
Classification of International Standard
77.060
Word Count Estimation
9,992
Date of Issue
2006-03-02
Date of Implementation
2006-09-01
Quoted Standard
GB/T 16545; GB/T 14165; GB/T 19292.4; ISO 2810
Adopted Standard
ISO 11474-1998, IDT
Regulation (derived from)
China National Standard Approval Announcement 2006 No.3 (Total No.90)
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary
This standard specifies the method of metal corrosion resistance. In this standard, the term "metal" including with or without corrosion protection of metallic materials. Outdoor accelerated corrosion test applies to: organic coatings on metal, metallic coatings (anodic or cathodic), chemical conversion coating layer metals and their alloys. The comparative method is particularly suitable for optimizing the test surface processing system.