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YB/T 4003-2016 Active
YB/T 4003-2016 YB/T 4003-2016 Steel billet low-magnification microstructure defect rating chart for continuous casting
Abstract
This standard specifies the samples used for acid etching and sulfur marking tests of low-magnification structural defects in continuous casting steel slabs, as well as the morphological characteristics of the defects, their causes, and the grading principles. This standard applies to the grading of low-magnification structural defects in carbon steel and alloy steel slabs produced by the continuous casting process. The acceptable grades and unacceptable defects of various types of defects in this standard shall be specified in the corresponding technical specifications and agreements between the parties.
General Product Information
| Document Type | Industry standards-Black metallurgy |
|---|---|
| Standard Status | Active |
| Standard Code | YB/T 4003-2016 |
| CCS | Metallographic examination methods |
| ICS | Other testing methods for metal materials |
| Implement Date | 2017-04-01 |
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