The quality of semi-finished steel
The article deals with the quality of structural steel supplied by metallurgical enterprises. It is shown that the pipes made of steel 20, used in the oil and gas industry, contain structurally free cementite in the structure, often in the form of a grid (points 4 and 5 according to GOST 5640–68). T...
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Format: | Article |
Language: | English |
Published: |
Belarusian National Technical University
2019-04-01
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Series: | Litʹë i Metallurgiâ |
Subjects: | |
Online Access: | https://lim.bntu.by/jour/article/view/2716 |