Металлографическая структура
QR

A.**Размер зерна**

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Микроструктура

1.АустенитФеррит

3.Карбид

4.Перлит

5.Верхний бейнит

6.Нижний бейнит

7.Зернистый бейнит

C.Мартенсит

8.Мартенситный

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