High strength corrosion resistant alloy

Details High strength corrosion resistant alloy High strength corrosion resistant alloy

1998-10-23

1999-08-31

Yee, Deborah

Alloys or metallic compositions

Containing over 50 per cent metal but no base metal

Iron containing

4205861, C22C 3000, C22C 3844

Patent

active

059450673

ABSTRACT:
The alloy consists of an age hardenable-corrosion resistant alloy useful for oil and gas applications that require resistance to low-level sour gas conditions. This alloy contains, by weight percent, 20 to 36 nickel, 18 to 25 chromium, 1 to 8 molybdenum, 1.2 to 4 titanium, less than 0.5 aluminum, 0.001 to 0.5 carbon, less than 1.5 niobium, less than 10 manganese, less than 5 copper, less than 4 cobalt, less than 0.1 total calcium, cerium and magnesium, 0 to 0.01 boron and balance iron and incidental impurities and deoxidizers.

REFERENCES:
patent: 3183084 (1965-05-01), Heydt
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patent: 4255186 (1981-03-01), Rouby et al.
patent: 4358511 (1982-11-01), Smith, Jr. et al.
patent: 4487744 (1984-12-01), DeBold et al.
patent: 4685427 (1987-08-01), Tassen et al.
patent: 4765956 (1988-08-01), Smith et al.
patent: 4816217 (1989-03-01), Bassford et al.
patent: 5310522 (1994-05-01), Culling
Caynard et al., Serviceability of 13Cr Tubulars in Oil and Gas Production Environments, NACE Paper No. 112, 1998, pp. 1-8.

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