Rods resistant to hydrosulfuric acid

Details Rods resistant to hydrosulfuric acid Rods resistant to hydrosulfuric acid

B - Operations, Transporting

23

K

13/11

B23K 3/00 (2006.01) C21D 8/06 (2006.01) C22C 38/00 (2006.01) E21B 17/00 (2006.01)

Patent

CA 1216107

ABSTRACT "RODS RESISTANT TO HYDROSULFURIC ACID" High-strength rods, useful in an acid environment, in which the H2S partial pressure in gaseous phase may exceed 300 Pa or in which the H2S content in liquid phase may have a corresponding equilibrium pressure and/or in which CO2 or other acidifying substances may be present are manufactured from cold-deformed carbon steel or cold-deformed low- alloyed steel. A preferred composition for the steel is: C 0 - 1.20 % Si 0 - 1.0 % Mn 0 - 3.0 % Cr 0 - 2.0 % Ni 0 - 1.0 % Mo 0 - 1.0 % Cu 0 - 1.0 % V 0 - 0.3 % Nb 0 - 0.2 % Ca 0 - 0.05 % Fe together with incidental ingredients and impurities up to 100 %

427422

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