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Overview:
Structural grades of hot rolled low and medium carbon plates and sheets commonly used for deep drawing applications. Cracking on the bend faces, as well as aging effects are the major defects, which usually causes rejection of the sufficient volumes of steel. It is a common knowledge that steels containing interstitial nitrogen appear to be more susceptible than low-nitrogen steels to stress-corrosion cracking. Nitrogen exists in steel primary in combination, as nitrides of metallic elements or as molecular nitrogen in cracks or blowholes. The solubility of nitrogen in ferrite at room temperature in low and medium carbon steel not exceeds 0.001%, and precipitation effects caused by nitrogen may occur in steel containing more than this amount.
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| Format: | Size: | 974 KB | |
| Date: | Feb 2009 | ||
| Pages: | 19 |
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