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Topic: Bluing (steel)

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	GUNS AND BLUING (Site not responding. Last check: 2007-10-29)
		Bluing is a process which applies high heat to the external surfaces of a steel gun.
		Stainless steel is considerably stronger and harder than steel used in guns before this time.
		The Army Colt revolvers of 1913 were issued with a BLUED surface, NOT stainless steel or chrome or silver or gold.
	members.aol.com /beachbt/gunblue.htm (1059 words)

	Gun Bluing
		However, the real usefulness of cold bluing is touching up small areas, those little dings or worn spots that aren't bad enough to warrant a complete rebluing but need some coloring to keep them from becoming an embarrassment.
		One of the easiest cold blue durability tests is to apply the blue to a piece of steel as per instructions, and then see how well it stands up to brisk rubbing with 000 steel wool.
		Some guns, or portions thereof--such as the barrels on some Remington 700 Magnums--are made of stainless steel and are darkened with a plating that gives the appearance of bluing.
	www.gunsandammomag.com /gunbench/blue_0515 (1353 words)

	Principal Metals
		Steel melted in a furnace with a basic bottom and lining and under a slag containing an excess of a basic substance such as magnesia or lime.
		Steel wire bright drawn and annealed in controlled non-oxidizing atmosphere so that surface oxidation is reduced to a minimum and the surface remains relatively bright.
		A hardened, tempered, and polished high carbon spring steel strip material (carbon content is generally higher than that of a material used for wood band saw applications) with a Rockwell value of roughly C47/49.
	www.principalmetals.com /glossary/bdoc.htm (2219 words)

	Alloy, Metal Terminology (B)
		A steel making process wherein oxygen of the highest purity is blown onto the surface of a bath of molten iron contained in a basic lined and ladle shaped vessel.
		A steel making process either Bessemer, open hearth or electric, in which the furnace is lined with a basic refractory.
		A steel making process in which air is blown through the molten iron so that the impurities are thus removed by oxidation.
	www.metal-mart.com /Dictionary/dictletb.htm (2028 words)

	Hints - Using Multi-ply Stainless Steel Cookware
		When stainless steel is finished, it leaves the manufacturing process with a thin film of machine oil on the surface of the metal.
		This darkening, is called "bluing" and is sometimes seen on the exhaust pipes of a motorcycle near the engine.
		Multi-Ply stainless steel cookware does not require nearly as much energy to cook your food as other types of cookware because it is designed to use heat efficiently.
	www.reeveswebs.com /cookware/using.html (1392 words)

	Steel Dictionary - B
		Cold-reduced sheet steel, 12-32 inches wide, that serves as the substrate (raw material) to be coated in the tin mill.
		Steel processors may offer blanking for their customers to reduce their labor and transportation costs; excess steel can be trimmed prior to shipment.
		For example, as a steel processor trims the sides of the sheet steel parallel or cuts a sheet of steel into strips, its edges will bend with the direction of the cut (see Edge Rolling).
	www.mesteel.com /dictionary/b.htm (2894 words)

	Hardware - Bluing
		The steel wool quickly becomes flened (because of the bluing agent), and this leaves an already-deeply-colored liquid on the nickel silver.
		I cover the blued part with masking tape and then use waxed dental floss to bind the ferrule taps down, if you use enough floss almost all of the glue is brought to the surface of the floss.
		Lastly, the steel is tempered two or three times to return the metal inside to normal "malleability," while the highly carburized (and colored) outer skin remains in its hardened state.
	www.bamboorodmaking.com /html/hardware_-_bluing.html (7306 words)

	Hints - Caring for your new Multi-Ply Stainless Steel Cookware
		When stainless steel is finished and leaves the manufacturing process, it leaves with a thin film of machine oil on the surface of the metal of oxidation.
		This darkening or "bluing" of the metal is sometimes seen on the exhaust pipes of a motorcycle near the engine.
		The heat that rises off the burner that you use the cookware on and the heat that radiates from the cookware itself when in use is sufficient to fuse airborne particles to the sides and bottom of your cookware along with any drips, spills or splashes that may accompany them.
	www.reeveswebs.com /cookware/cleaning.html (549 words)

	Bluing (Arno Hahma; Geoff Kotzar; John DeArmond; Ole-Hjalmar Kristensen)
		Mild steel will become almost fl, strongly alloyed steel will be mostly dark blue and hardened high carbon steel mostly dark brown or reddish.
		The parts to be blued are immersed in the boiling solution for 5 to 10 minutes (no more or the finish will become reddish).
		I've stripped the last ##attempt and left the steel in its natural state as I don't hunt with it.
	yarchive.net /gun/bluing.html (1512 words)

	Bluing Hints
		Many clocks and watches that come into the workshop for repair have blued hands that are not in as good a condition as they could be.
		The thinner the metal you are working with or the degree of taper from boss to tip that you are bluing, the greater the difficulty.
		By varying the distance of the nozzle from the hand (which is placed on a heat resistant fibre board) it is easy to progress slowly through all of the colours until a nice even blue is obtained.
	www.bhi.co.uk /hints/bluing.htm (1956 words)

	Parkerizing - TheBestLinks.com - Parkerize, Aluminum, Manganese, Steel, ...
		Parkerizing (sometimes called phosphating) is a method of protecting steel surfaces from corrosion and thus increasing their durability.
		It is commonly used on weapons as an alternative to bluing, and is considered more effective than bluing.
		It is different from coating the metal—the steel reacts with the zinc and the treated finish is thus part of the metal.
	www.thebestlinks.com /Parkerize.html (246 words)

	Internet Sword Collectors Association
		Blued Steel - The bluing process is used to create a protective layer of treated metal on the surface of the sword blade with the goal of reducing rusting and providing an attractive blue coloration.
		Keep in mind that bluing is a condition of the surface of the steel and because of this can be damaged or removed by accidental abrasion.
		But be careful with the steel wool on engraved or etched swords so that you do not apply so much pressure that you start to wear down the edges of the engraving or etching.
	members.aol.com /machood/swordcare.html (4390 words)

	OutdoorsBest Forums: S&W vs Ruger, Bluing ???
		The first method of coloring steel was to allow it to develop a uniform coat of rust, then gently scrub the residue off, rust again, scrub, rust, etc. The metal would darken with each repetition.
		Stainless steel is made by replacing some of the carbon in the mix with chromium and other compounds, making the metal more resistant to oxidation.
		Bluing is a controlled method of rusting the outer surface of carbon steel.
	outdoorsbest.zeroforum.com /zerothread?id=310624 (3769 words)

	www.gunhuntermag.com
		Steel wool can be used dry, but if the rust is really stubborn, add a drop or two of Ballistol, let it stand on the rust for a few hours, and buff again.
		The bluing will come off during this part of the process (you must get down to bare metal), but don’t panic; we’ll fix that next.
		Stroke the bluing liquid on in one direction, and replenish your cloth fluid frequently.
	www.gunhuntermag.com /features/041207Rust.htm (652 words)

	Blue Steel Springs
		Blue steel springs are the traditional type, as opposed to stainless steel.
		Although the bluing does help to prevent rust, it is actually an essential part of the process and is certainly not just a finish.
		The colour and degree of tempering will be governed by the steels final use, so knives, for example, would be straw as they need a keen edge, but bend it and it would break (it is harder but also brittle).
	www.woodwind.org /clarinet/Equipment/Springs.html (336 words)

	Bluing Shed - Barnes Pneumatic
		The entire bath process involves cleaning the polished steel, rinsing the cleaning solution off, boiling the steel at the exact proper degree of temp.
		and salt consistency, neutralizing the salts, cleaning and rinsing the steel, soaking the green blued surface in oil.
		It gave me two steel sheathed walls 10' high for the interior corner - but required a concrete floor, an irregular building footprint with it's framing and sheathing, and blending dissimilar roof lines.
	www.glbarnes.com /bluing_shed.html (650 words)

	Bluing (Chris Kantarjiev; John De Armond; Russ Kepler)
		To do nitrate blueing, you'll need a sturdy steel pan or tank and a Burner capable of heating the mass to the required 600-800 deg F. Brownell's sells a wide variety of sturdy welded steel trays and tanks.
		Bluing can be a hit and miss proposition, if you don't have good temperature control, a good prewash for degreasing and some experience.
		Chrome-Moly steels blue well as well (naturally, with all those 4130 barrels out there but steels with much nickle, or too much chromium will either not blue or blue with some funny colors.
	yarchive.net /metal/bluing.html (1559 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		The earliest I know of is rust bluing that would have been used to help reduce rusting and also for beauty especially where gold or silver was inlaid into the blade.
		An early replacement for bluing is the Parkerized finish developed for the protection of stocks of rolled steel stored in the open, it began to be used early in this century as less expensive and more suitable to rough military finishes than bluing.
		While stainless steel was developed about 1910, there was no useful high-carbon stainless available to the knife industry until the 1960s so some makers used plating, like Gerber's hard chrome, to keep rust down.
	www.sff.net /people/pff/coating.txt (748 words)

	D.F Maisey Gunsmithing Services, Tauranga, Smith & Wessen Guns, Rifles, Gunsmithing, Custom made Rifles
		The main types of bluing we undertake in our workshop are the hot caustic bluing method, traditional rust bluing method and the Nitre Bluing (or Fire Bluing) for small parts.
		The Parkerizing process is different from the bluing process (which is essentially a pre-rusting/ oxidising of the steel surface) in that Parkerizing is actually a manganese- phosphate coating that chemically bonds to the surface of the steel.
		Parkerizing has long been used as a military coating, and while not being as attractive to some as bluing, it is an excellent choice for hunting guns being far more durable than all of the types of bluing.
	www.gunsmith.co.nz /gunsmithing.html (2235 words)

	BLUE WONDER Gun Blue Instructions Novum Solutions, Makers of Blue Wonder and Muscle Wonder.
		For the best finish, the areas to be blued should be free from all pits, scratches, etc. If necessary, smooth the areas using green ScothBrite™ abrasive pads and/or 400 to 800 grit emery cloth.
		After the final coat of bluing is dry, “saturate” a small area of a clean paper towel or cloth with Blue Wonder™ Developer and apply it liberally to the blued areas.
		The bluing process is now complete and you may and handle the piece as you would any factory new gun.
	novumsolutions.com /BLUEWONDERGunBlueInstructions.html (1098 words)

	Mosin-Nagant refinishing project - THR
		From all I've ever researched the Mosins were blued and not parkerized although many of the Mosins, particularly the M44, had the bluing worn to the point the metal resembled a gray parkerized finish.
		But an important key to a successful blued finish is a thorough polishing of the gun metal.
		Be informed.....different qualities of steel take cold bluing better/differently than others and stainless steel won't take it at all.
	www.thehighroad.org /showthread.php?t=94940 (1511 words)

	Twisted Nickel - Custom Damascus
		The best Damascus to use if you are bluing is a bold pattern, a fine pattern may be lost or subdued.
		The nickel is surface coated, but there is penetration into the steel.
		#1 Hot bluing salts are mostly caustic soda, and the finish is done at 292° F. This will eat solder, silver, and other non-ferrous metals as well as handle materials.
	www.twistednickel.com /damascus.htm (1015 words)

	Gunsmith Services Fees
		The bluing of steel is not a coating or other form of protective film put on the surface of metal.
		However, the bluing process itself is the easy part because the quality of the "blue" depends on the quality of the metal surface, not the bluing process itself.
		The Belgium Bluing process involves heating the barrels in a boiling water bath (220 deg F.) and then applying a cold caustic rusting solution to the hot steel (in hot bluing you add cold steel to the hot salts, this is just the opposite).
	www.bsrgroup.org /gunsmith_services_price_list.htm (1739 words)

	[No title] (Site not responding. Last check: 2007-10-29)
		Bluing the steel parts of your crossbow is fairly easy: use these formulas:
		The rusting effect of salt water has been known since the beginning of the iron age, and therefore it can at least surmised that common salt was the first substance intentionally used to produce rust.
		When I have a quick bluing job to do I use Brownells cold blue, very easy to use and quick, just remember to polish your part to a high polish, and then degrease with Acetone and keep your fingers off, this will then turn the steel a very nice peacock blue.
	www.thecrossbowmansden.com /blueing.html (393 words)

	Run-N-Iron - Premium Finishes
		Color Case Hardening is a process for the surface hardening of steel, which results in a decorative mottled-color finish.
		To achieve these results, we use the traditional method of packing the component into a steel crucible together with a generous amount of charred bone, wood and leather, then heating the entire unit to a temperature of 1400 degrees F for two hours or more.
		A risk with Color Case Hardening is the warping of components during exposure to the extreme heat.
	runniron.com /finishes/color_case.html (212 words)

	myArmoury.com - bluing and browning
		I would think that many of the late 15th C italian blades with their mythological sceenes at the forte were picked out with gilding and blueing.
		Looking at medieval art, steel is often depicted as very dark blue or fl, but this might be artistic style rather than showing an actual truth.
		I do feel that some of the armor was definitely blued as I interpret some portraits as definitely depicting polished blued steel armor.
	www.myarmoury.com /talk/viewtopic.php?p=8131 (2738 words)

	The Arador Armour Library (Site not responding. Last check: 2007-10-29)
		Bluing is a controlled oxidization (rust) of the metal.
		This thin layer of rust (which is a blue/fl color thanks to chemicals in the bluing solution) and the fact that the oxidization is controlled forms a protective layer over the steel beneath it.
		As bluing is a surface treatment it will be prone to scratching.
	www.arador.com /articles/bluing.html (912 words)

	Bluing O1? - BladeForums.com: The Leading Edge of Knife Discussion
		The steel has to be heated hot enough for water to sizzle on it for the browning solution to work.
		In my opinion, the heat bluing done with hot salts has a distinctive look that is a bit different from chemical bluing.
		This steel hardware was made from A36 and colored in hot salt.
	www.bladeforums.com /forums/showthread.php?t=260135 (1303 words)

	RB;s Treasures - Van's Instant Gun Blue
		Factory blue penetrates the steel and actually changes the metal resulting in that rust resistant blue-fl surface.
		The brighter the metal shines before the blue, the bighter the finish after you are done.
		The rougher the texture of the metal, the duller the bluing will be.
	www.rb-treasures.com /MPI_Products/VanBlue.html (461 words)

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