Metal treatment – Stock – Ferrous
Patent
1988-08-29
1989-07-04
Yee, Deborah
Metal treatment
Stock
Ferrous
148909, 148334, 138177, 420 66, 420 69, 420106, 420110, C22C 3822
Patent
active
048447552
ABSTRACT:
A high-strength, heat-resisting ferritic steel pipe or tube for boiler use containing 0.03 to 0.15% C, 0.1 to 1.5% Mn, 8 to 13% Cr, 1.8 to 3.0% W, 0.05 to 0.30% V, 0.02 to 0.12% Nb, 0.02 to 0.05% N, 0.02 to 0.4% Mo, and up to 0.25% Si. This pipe or tube has an improved high-temperature creep rupture strength and an excellent weldability and toughness.
REFERENCES:
patent: 4799972 (1989-01-01), Masuyama et al.
"Tetsu-To-Hagane", vol. 71, '85-51340, Sep. 5, 1985, by K. Oda et al. (Z-3).
"Tetsu-To-Hagane", vol. 71, '85-51341, Sep. 5, 1985, by K. Asakura et al. (MB-1, MB-3).
"Tetsu-To-Hagane", vol. 71, '85-51346, Sep. 5, 1985, by K. Oda et al. (S-3).
"Tetsu-To-Hagane", vol. 72, '86-5571, Mar. 4, 1986, by K. Oda et al. (ZL-3).
"Metals and Technology", vol. 56, pp. 2-8, Jan. 14, 1986 by T. Fujita. (TB-9, TB-12).
"Japanese Society for the Promotion of Science", vol. 26, No. 2, pp. 261-269, Jul. 8, 1985, by Oda et al. (S-3).
"Japanese Society For the Promotion of Science", vol. 26, No. 3, pp. 485-489, Nov. 5, 1985, by K. Asakura et al. (MB-2).
"Japanese Society For the Promotion of Science", vol. 27, No. 1, pp. 79-82, by K. Oda et al. (ZL-3).
Fujita Toshio
Hashimoto Katukuni
Otoguro Yasuo
Nippon Steel Corporation
Yee Deborah
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