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GB/T 25746-2010 Active
GB/T 25746-2010 Metallographic test for malleable cast iron
Abstract
This standard specifies the evaluation method for the microstructure of malleable cast iron under a metallographic microscope.
This standard prescribes the evaluation methods for the graphite shape, graphite shape grading, graphite distribution, number of graphite particles, pearlite shape, pearlite residual quantity grading, carbide residual quantity grading, and surface layer thickness of malleable cast iron, and lists the corresponding grading charts.
This standard is applicable to the evaluation of the metallographic microstructure of malleable cast iron.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 25746-2010 |
| CCS | Casting |
| ICS | Mechanical testing of metal materials |
| Implement Date | 2011-06-01 |
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