Category: "Black Oxide, Bluing, Coloring, Patinas, Nitriding"

20713. How can nylok nuts be black oxided? - June 5

59418. Passivation after black oxide? - March 29

54394. Black Oxide on stainless steel: problems - March 21

61635. Hot Black Oxide Issue- brownish-green parts and black spots/streaks - February 12

• Smut on the black oxide coatings - December 7

• Blackening gold with iodine - June 17

• Possible to black oxide Inconel? - May 14

• Blackening formulas for steel and cast iron - April 29

• Black Oxide poor coverage on welded part open Q. - April 7

• How often must cold black oxide bath be replaced? open Q. - April 6

• Does black oxide on stainless fasteners improve resistance to galling? open Q. - February 9

• How to do smut-free mid temp black oxide on wood screws - December 25

• Black Ox problems due to lot variations in type 300 SS? - December 20

• Black Oxide Coating Thickness - November 18

• Which oil BLACK OXIDE finish? open Q. - October 2

• Black oxide is salmon colored. Is copper the problem? - September 19

• Cold blackening on SS turns blue over time open Q. - September 6

• Mid temperature blackening smut issue open Q. - June 13

• Rust on black oxide parts open Q. - June 12

• Black oxide problems on 4340 steel open Q. - May 13

• Steam Homo Treatment vs Black Oxide Treatment - April 6

• Black oxiding of hardened steel is brown open Q. - March 3