Electric heating – Metal heating – By arc
Patent
1981-02-23
1982-12-21
Albritton, C. L.
Electric heating
Metal heating
By arc
148127, 219121LD, 219121LF, 219121LQ, 219121LS, 219121LY, 228214, B23K 2700
Patent
active
043651364
ABSTRACT:
Corrosion resistance of tubular metal products is enhanced, and particularly to welds formed between metal tubes or pipes and threaded ends.
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Albritton C. L.
Haefliger William W.
Hydril Company
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