Cast bullet alloys, characteristics of CB alloys ...
Alloys for Cast Bullets by Jerry Gonicberg, The Art of Bullet Casting, Wolf Publishing, pages 85 & 86; K ey T o M etals, an industry leader in supplying lead alloys to industry worldwide. The NRA Cast Bullet book by Col. E. H. Harrison referenced in the article is out of print.
again allow the alloy to solidify. *****-----We now have two completely-separate hardnesses of alloy in the cavity, with a probably-weak attachment to each other and a visible joint or crease where the metals meet. This is where most earlier types of softpoint cast bullets run into possible trouble.
Most of our low-melting, fusible alloys are cast into square ingots measuring approximately 2-3/8" x 2-3/8" x 5/8" . The product names we use are the approximate melting temperatures in degrees Fahrenheit, as they have no definite melting point. These alloys are normally used in gravity casting, but they also can be used in other casting methods.
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Related Topics . Material Properties - Material properties for gases, fluids and solids - densities, specific heats, viscosities and more ; Related Documents . Alloys of Metals - Melting Points - Alloys of metals and their melting points; Bronze Flanges - ASME/ANSI 150 lb - Flange diameters, thickness, bolt circles, numbers and diameters of bolts for ASME/ANSI B16.15 - Cast Bronze Threaded ...
Bullets made from this alloy are very brittle, and will predictably shatter when fired at modest velocities if they encounter large bone mass or steel targets. There are also those commercially cast bullets which use a 6% or higher antimony content and are heat-treated to …
Bullet Casting Alloy consists of 2% tin, 6% antimony and 92% lead - also known as "hardball" bullet casting alloy. You are purchasing 10lbs of this bullet alloy ingot, so if you need a total of 20lbs, simply order a quantity of 2 for this item.
Bullet Design & Loading Specifications for the Browning ...
Bullet and Lyman Snover 410663 with aerodynamic streamline noses I use 16:1 alloy to eliminate the possibility of nose slump or setback. If the alloy is too soft the nose may slump back along the axis of the bullet, resulting in possible bore leading, especially in a dry bore since the nose is not lubed.
Alloys of lead, tin, antimony, and, in many instances, arsenic Alloys of lead, calcium, tin, and one or more of the alkaline earth metals Ammunition. Large quantities of lead are used in ammunition for both military and sporting purposes. Alloys used for shot contain up to 8% Sb and 2% As; those used for bullet cores contain up to 2% Sb.
And that's the catch -- heavy (400+ grain) bullets will usually make the mold hot and then this alloy will produce frosty, shrunken bullets. 91/3/6 (91% lead, 3% tin, 6% antimony). Casts well as long as the mold does not get too hot, but very prone to shrunken bands.
Dec 27, 2015· It reduces the surface tension of the alloy, which helps the mold fill out better. It's also good for expansion and helps keep the bullet together upon impact at higher velocities. I seem to get better accuracy when doing so as well. Cast bullet alloys, characteristics of CB alloys, maintenance of CB alloys
Reloading .44 Magnum with hard cast lead for rifle
May 08, 2013· Cast bullet alloys, characteristics of CB alloys, maintenance of CB alloys. Manus haec inimica tyrannis The only cure for the liberal/progressive minded is; to put them into a situation where they have to rely on their own advice and theories to defend themselves. 05-07-2013, 09:22 AM #15. VARMINT223. General Join Date
lead alloys for bullet casters and for numerous applications in the metals industry. It is an extremely brittle metal but has unique characteristics in a lead alloy in addition to its basic hardening, such as the ability to heat treat a lead alloy bringing the final hardness up far more than what the percentage of antimony would suggest.
casting for accuracy. HOW FLUXES DO IT Bullet casting alloys are composed of mixtures of metallic and semi-metallic elements, usually lead, tin, and antimony. In general, an alloy’s usefulness depends on its physical characteristics, which in turn are dependent on its specific composition.
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Jan 20, 2002· If you would go to the TECH NOTES here on this site and review the article on quench- annealing you will see how you can make a lead alloy bullet as effective as a copper jacketed bullet. I have been using this type of bullet for the last 16 or 17 years and I can guarentee you a 180 grn 30 caliber bullet with a muzzle of 2450 to 2500 fps ...
Casting Alloys and Bullet Hardness Common bullet casting materials are pure lead; alloys of tin and lead, or of tin, antimony, and lead. The common methods of hardening bullets are: increasing the percentage of antimony, which results in a harder bullet but also increases the “brittleness”, and two types of heat treatments.
May 26, 2010· Here's a good one by Rick Kelter, one of the foremost experts on lead bullets: Cast bullet alloys, characteristics of CB alloys, maintenance of CB alloys It's eye-Oh-wee-jan I was taught to respect my elders .... problem is, I'm having a hard time finding them.
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Within the range of alloy hardness we use for typical as- cast or heat treated bullets (from 5-30 BHN), yield strength is approximated by the BHN multiplied by 480. This means that a soft alloy of 8 BHN, such as factory swaged lead bullets will stand up to about 15,000 CUP (8x480x4=15,360), and an alloy of 12 BHN will stand 23,000 CUP.
Nra Cast Bullets Harrison - motta001.targettelecoms.co.uk
'Cast Bullet Alloys Characteristics Of CB Alloys May 13th, 2018 - Just About Every Alloy Containing Lead Has Been Used To Cast Bullets At One Time Or Another With Varying Degrees Of Success Many Bullet Casters Use An Alloy Simply Because It’s What They Have Available Without Giving Much Consideration To The Type Of
What makes the Cast Iron (CI) engined Bullets cruise ...
May 20, 2011· Bullets till 78 (iirc) came with heavy crank. From then onwards bullets had lighter cranks till 2002. From 2003 onwards they went back to the heavy crank configuration till production stopped. I had discssed this in a very old post of mine, it has more …
Cast bullet alloys, characteristics of CB alloys . Antimony contents of lead-antimony alloys can range from 0.5 to 25%, but they are usually 2 to 5%. Lead-calcium alloys have replaced lead-antimony alloys in a number of applications, in particular, storage battery grids and casting applications. These alloys contain 0.03 to 0.15% Ca. Get Price
Hand cast lead bullets for black powder and smokeless powder firearms. We have a large variety of lead bullets for sale from .25 caliber to .577 caliber. Heeled bullets, ringtail bullets, hollow base bullets for sale. Hornady bullets, Bitterroot Components and Remington. Everything for old obsolete calibers and modern too! Reloading supplies and bullet molds.
How to choose Brinell hardness on a cast bullet | The High ...
Mar 24, 2016· I cast most of my bullets for .45 acp at Bhn 12. I use the same alloy for .38 Special bullets, too. I get zero leading with either caliber with the .45 acp and .45 Colt bullets sized .452" and the .38 Bullets sized .358". Hope this helps. Fred
Feb 10, 2004· The best explanation of bullet alloys, their hardening, softening, time dependent stability characteristics that I have ever read can be found in: The 1991 Jan-Feb issue of the Fouling Shot has an article by O.H. McKagen and Dennis Marshall entitled "On Lead-Tin Solders".
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'cast bullet alloys characteristics of cb alloys may 9th, 2018 - just about every alloy containing lead has been 9 / 13. used to cast bullets at one time or another with varying degrees of success many bullet casters use an alloy simply because it’s what they have available without giving much
Bullet castings for target shooters - by John Robinson - SSAA
It is too soft for use in smokeless powder loads and also does not cast as well as the lead alloys that have been developed for bullet casting. In some older publications on bullet casting, a 90 per cent lead/10 per cent tin alloy is sometimes recommended.
Most cast bullet shooters don't know a lot about the properties of the lead alloy they're shooting because they haven't been educated about it. If you want to learn a little bit about some important cast bullet facts, then please read on. A common conception is that when it comes to lead bullets, harder lead equals less leading.