Abstract
ERW tubes are taking the place of bars and seamless tubes as materials for parts of automobiles and industrial machinery from the standpoint of energy and cost savings. The quality ERW tube mill of Kimitsu Works has developed high-carbon steel and alloy steel heavy-walled ERW tubes. For the manufacture of these new tubular products, techniques have been developed for preventing the cracking of high-carbon steel in the continuous casting and tube welding process and for preventing weld defects in alloy steel and undescaled coils. The qualities of welds in the new ERW tubes are confirmed to be the same as those of the base metal by various destructive tests, microstructural observations and fracture surface observation.
| Original language | English |
|---|---|
| Pages (from-to) | 35-42 |
| Number of pages | 8 |
| Journal | Nippon Steel Technical Report |
| Issue number | 26 |
| Publication status | Published - Jul 1985 |
| Externally published | Yes |
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