Method for manufacturing welded clad steel tube

Details Method for manufacturing welded clad steel tube Method for manufacturing welded clad steel tube

1997-04-09

1999-01-05

Wyszomierski, George

Metal treatment

Process of modifying or maintaining internal physical...

Producing or treating layered, bonded, welded, or...

148521, 148530, 148534, C21D 908

Patent

active

058556990

ABSTRACT:
In a method of the present invention for manufacturing a welded clad steel tube, an alloy including a corrosion-resisting or heat-resisting alloy is overlaid on a raw steel tube to manufacture a cold steel tube. Then, a cold or warm working is subjected to the clad steel tube. The clad steel tube is subjected to a heat treatment at a temperature exceeding a recrystallization temperature of the alloy.

REFERENCES:
patent: 3355265 (1967-11-01), Hudson et al.
patent: 3795971 (1974-03-01), Chivinsky
patent: 4464209 (1984-08-01), Taira et al.

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