Austenitic stainless steel welds with different ferrite contents (4 and 12FN) were obtained by the Submerged Arc Welding (SAW) strip cladding process, and some clads were remelted by TIG.The welds were post weld heat treated (PWHT) at 600,800,1000"C for 1 h. Pitting potentials were measured in 1 N H
Pitting by Sea Water of austenitic stainless steel
✍ Scribed by J. M. A. van der Horst; President James A. Henley
- Publisher
- John Wiley and Sons
- Year
- 1974
- Tongue
- English
- Weight
- 725 KB
- Volume
- 5
- Category
- Article
- ISSN
- 0933-5137
No coin nor oath required. For personal study only.
✦ Synopsis
Abstract
A sulfuric acid plant was equipped with heat exchangers with Nicrofer 3620 tubing. The cooling medium was sea water. Within 5 weeks after start‐up some of the tubes failed by pitting, showing that it is impossible to use stainless steel as a heat transfer material in sea water unless the molybdenum content is very high.
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