Abstract
The effect of inoculating a high-strength shipbuilding steel with flux-cored wires containing FeCa and FeCa in a complex with rare-earth metals (REMs) on the distribution, composition, and morphology of nonmetallic inclusions is investigated. It is shown that inoculation with both FeCa and FeCa in combination with REMs with the calcium and cerium content of the metal within 0.002–0.003% for each of them allows obtaining a high-strength shipbuilding steel with a low level of contamination by nonmetallic inclusions.
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