Method of welding a carbon steel and an austenitic stainless ste

Details Method of welding a carbon steel and an austenitic stainless ste Method of welding a carbon steel and an austenitic stainless ste

1995-06-07

1997-05-13

Heinrich, Samuel M.

Metal fusion bonding

Process

Critical work component, temperature, or pressure

228184, 228219, 21912164, B23K 1500, B23K 2600

Patent

active

056284497

ABSTRACT:
Method of welding a carbon steel and a austenitic stainless steel involves using high density energy beam like a laser beam or electron beam. Welding using high density energy beam is effective to obtain a high precision welding. For the purpose of obtaining both high precision and no cracks, and no deformation, the method of the invention controls the structure of a weld portion to be a mixed structure of an austenitic structure and not greater than 20 wt % of a ferritic structure.

REFERENCES:
Iron Age, "How to Avoid Hot Cracking in Stainless Welds", Robert R. Irving, pp. 60, 61, Feb. 14-21, 1977.
Metals Handbook Ninth Edition, vol. 6, pp. 637-639, "Electron Beam Welding", copyright 1983.
Patent Abstracts of Japan, "Welding Method of Water-Wheel Guide Vane", (JA-58-132378), Nov. 2, 1983.

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