Welded structure for use at very low temperatures

Details Welded structure for use at very low temperatures Welded structure for use at very low temperatures

1983-09-15

1985-07-16

Andrews, Melvyn J.

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

310 52, 428685, B32B 1500

Patent

active

045296693

ABSTRACT:
A welded structure for use at very low temperatures having structural metallic members of austenitic stainless steel welded with a welding material of austenitic stainless steel. The oxygen content of the portion of the deposited metal where there is no dilution with the material of the structural metallic member is not greater than 0.06 wt %. The structural metallic members and the deposited metal have chemical compositions consisting essentially of 0.01 to 0.1 wt % of C, 0.05 to 1 wt % of Si, 1 to 10 wt % of Mn, 8 to 20 wt % of Ni, 16 to 22 wt % of Cr and the balance substantially Fe and have a fully austenite structure. The Ni equivalent of the deposited metal ranges between 17 and 22. The welded structure for use at very low temperatures can be used, for example, as the container for the magnet of a superconducting generator rotor.

REFERENCES:
patent: 4016444 (1977-04-01), Gillet
patent: 4062705 (1977-12-01), Gondo et al.
patent: 4171494 (1979-10-01), Yamaguchi et al.

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