Tube for thermal cracking or reforming hydrocarbon and manufactu

Details Tube for thermal cracking or reforming hydrocarbon and manufactu Tube for thermal cracking or reforming hydrocarbon and manufactu

1982-08-17

1985-04-16

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

427191, B22D 1908

Patent

active

045109885

ABSTRACT:
A reactor tube for thermally cracking or reforming hydrocarbons comprising a tube member made of Fe-Cr-Ni heat resisting material and a covering layer of self-fluxing alloy fusing to the inner surface of the tube member, the covering layer made of heat resisting material free from Ni or with a low Ni content. The tube member is manufactured by centrifugal casting, and the covering layer is formed by applying the self-fluxing alloy powder by scattering with or without thermit agent or spraying the alloy to the inner surface of the tube member.

REFERENCES:
patent: 3248441 (1966-04-01), Soderquist
patent: 3262983 (1966-07-01), Ladd et al.
patent: 3536776 (1970-10-01), Lo
patent: 3827967 (1974-08-01), Nap et al.

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