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Various colors on stainless steel 18 Cr / 8 Ni 7.5 g of sodium dichromate , 1000 mL of sulfuric acid (1.24 g/cm 3 ), lead cathodes, object as an anode, 70-90 °C temp, 0,06 A/dm 2 , voltage 1.3 V – colors depend on the duration of the procedure (5-50 min.), brown, blue, reddish brown, yellow, green.
Marking out a metal bar. Marking blue or layout stain (sometimes called Dykem after trademark erosion of a popular brand, or Prussian blue after the blue pigment) is a dye used in metalworking to aid in marking out rough parts for further machining.
Differentially tempered steel. The various colors produced indicate the temperature the steel was heated to. Light straw indicates 204 °C (399 °F) and light blue indicates 337 °C (639 °F). [1] [2] Tempering is a process of heat treating, which is used to increase the toughness of iron-based alloys.
BlueScope was formed when BHP Billiton spun-off its steel assets on 15 July 2002 as BHP Steel. [1] It was renamed BlueScope on 17 November 2003. [2] Early in 2004, ...
Comparing 2020 election results to 2024, Trump’s margin increased more in counties with the most difficult housing markets.
Mexico and the U.S. have reached an agreement to address Mexico's habit of falling behind in water-sharing payments. The agreement announced Saturday “provides Mexico with tools and flexibility."
Nuts, fennel and quinoa add more layers of texture, while blue cheese lends a savory note. View Recipe. Spinach Salad with Quinoa, Chicken & Fresh Berries.
SAE 316 stainless steel is a molybdenum-alloyed steel and the second most common austenitic stainless steel (after grade 304). It is the preferred steel for use in marine environments because of its greater resistance to pitting corrosion than most other grades of steel without molybdenum. [ 1 ]