BS EN ISO 643:2020 PDF
Steels. Micrographic determination of the apparent grain size
Steels. Micrographic determination of the apparent grain size
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Дата публикации:
- 31 мая 2020 г.
- ICS:
- 77.040.99
- SKU:
- BS EN ISO 643:2020
Abstract
What is ISO 643 about?
ISO 643 specifies a micrographic method of determining apparent ferritic or austenitic grain size in steels. ISO 643 describes the methods of revealing grain boundaries and of estimating the mean grain size of specimens with unimodal size distribution. ISO 643 provides a technical specifications on revealing ferritic grain boundaries, revealing austenitic and prior-austenitic grain boundaries and other methods for revealing prior-austenitic grain boundaries.
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