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GB/T 15825.4-2008 Active
GB/T 15825.4-2008 Sheet metal formability and test methods—Part 4:Hole expanding test
Abstract
This part of GB/T 15825 specifies the test method for the expansion forming performance of metal sheets using the expansion ratio as an indicator, which is suitable for metal sheets and coils with a thickness of 1.2 mm to 6.0 mm. The width of the samples used should generally not be less than 90 mm.
General Product Information
| Document Type | National standards |
|---|---|
| Standard Status | Active |
| Standard Code | GB/T 15825.4-2008 |
| CCS | Forging and pressing |
| ICS | Mechanical testing of metal materials |
| Implement Date | 2009-06-01 |
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