Click on the link below to view colours used for product identification. Colour coding should only ever be used as a secondary source of identification. Print on a color printer with Two-sided printing enabled and you will have handy 3.5" x 2.4" cards showing all of our mil color codes Instructions: Use these Mil Color Code Cards as a quick, easy-to-carry reference the next time a shipment of Steeler steel framing arrives at your job site. PERCEIVED COLORS DEPEND ON LIGHTING. Color information #43464B (or 0x43464B) is unknown color: approx Steel Grey.HEX triplet: 43, 46 and 4B.RGB value is (67,70,75). Low Carbon Steel (Mild Steel): Typically contain 0.04% to 0.30% carbon content. Presumably you have to start with a low-carbon mild steel, or the rods will not bend easily. Carbon steel is grayish silver generally. * NC Signifies no colour code. For a full list of our Color Codes, see our Color Code Chart below. Carbon Steel can be segregated into three main categories: Low carbon steel (sometimes known as mild steel); Medium carbon steel; and High carbon steel. Carbon Steel. Product Colour Code Chart. The colors are affected to some extent by the composition of the steel and the method may not be dependable. Back to “How To” Page A smaller, focused flame, such as a Bunsen burner or torch, will provide a more dramatic variation of colors. At Southern Tool Steel, we understand how difficult it can be identifying drops and left over pieces. Depending on the temperature that the metal reaches you can create a color from pale yellow to blue. Unfortunately, it isn’t possible to do so very accurately¹, especially at temperatures above 1200°C. Steel Color Coding. This is one of the largest groups of Carbon Steel. colors of heated steel. CAST STEEL MELTS 2600 TO 2750 F. MILD STEEL MELTS AT 2690 F. WROUGHT IRON MELTS 2700 TO 2750 F. PURE IRON MELTS AT 2768 F. CHROMIUM MELTS AT 2750 -3034 F. STAINLESS STEEL MELTS AT 2550 F; Click here to see an accurate color chart at Roman Kral’s Amateur Blacksmith Site. Heat Colors. An open flame will create more of a subtle variation. If you take and harden the steel, remove the black iron oxide with sandpaper, then heat until you get a rainbow of colors on the steel (test the particular steel, not all show the colors well) with different hardness as the color changes. End use: Shear blades, collets, diecasting dies, extrussion dies, punches, cold forming dies. Interlloy believes the information provided is accurate and reliable. Melting Points of Heat-Treating Baths Product Colour Code Chart << Previous Page High impact steel with high hardenability and excellent shock resistance. In order to clearly distinguish the steel grade, tubing, casing and its coupling should be painted with color codes respectively. Color bands should be painted on tubing and casing body longer than 600mm to either end. Before infrared pyrometers became available, blacksmiths and other metalworkers judged the temperature of heated steel and iron by its color. That’s why we Color Code the full length of the bar, not just the ends. You can use this method on any metals containing copper or iron, such as steel. If steel is heated in an oxidizing atmosphere - like air - a film of oxide forms on the surface and the color changes as the temperature increases. American Petroleum Institute (API) steel grades Color coding. Sum of RGB (Red+Green+Blue) = 67+70+75=212 (28% of max value = 765).Red value is 67 (26.56% from 255 or 31.60% from 212); Green value is 70 (27.73% from 255 or 33.02% from 212); Blue value is 75 (29.69% from 255 or 35.38% from 212); Max value from RGB is 75 - color … Yet it can be made into black carbon steel during the manufacturing process when high temperatures create a thin layer of oxidized iron on the outer surface. 0. 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