C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 19/05 (2006.01)
Patent
CA 2312581
A heat resistant Ni base alloy comprises, on a mass% basis, 0.1% or less C, 2% or less Si, 2% or less Mn, 0.005% or less S, 10 to 25% Cr, 2.1 to less than 4.5% Al, 0.08% or less N, 0.001 to 1% in total of one or more elements of B: 0.03% or less, Zr: 0.2% or less and Hf: 0.8% or less, and 2.5 to 15% in total of one or more elements of Mo: 0.01 to 15% and W: 0.01 to 9%. The alloy is suitable as a material for a pipe used in ethylene cracking furnace.
Anraku Toshiro
Nishiyama Yoshitaka
Ogawa Kazuhiro
Okada Hirokazu
Sawaragi Yoshiatsu
Gowling Lafleur Henderson Llp
Sumitomo Metal Industries Ltd.
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