Please note that burn rate charts can never reflect the differences between powders in the correct proportion, and can only place powders in approximate burn rate envelopes. The data represented is for your info only and should not be substituted for traditional reloading data manuals across the site. Materials that do not ignite or propagate combustion as described above do not require further testing. Sponsors coyote hunting coyote calling example coyote attacks varmint hunting 17 hmr field testing deer hunting. August 10th, 2018 get latest powder burn rate chart here. Shotgun powders d0 a fast burning, low density, double base, disc propellant similar to accurate nitro 100 most suitable for shotgun cartridges with 24 to 28 g of shots and for some handgun. I wasnt completely clear in my first post on this subject. Powder burn rate chart 265 powders listed from fast to slow. Thermodynamic calculations were cited that relate computed theoretical values to experimentally determined quantities. In the burning rate test, the burning time is measured over a distance of 100 mm and the rate of burning is determined. Powder burn rate always consult a load manual and start with minimum loads.
Updated hodgdon and imr relative burn rate chart daily. More expensive options may include an electronic scale, which can be more accurate and faster. Jan 04, 2016 january 4th, 2016 updated hodgdon and imr relative burn rate chart. All of the following information was taken from sierra rifle reloading manual, 4th edition and vihtavuori 1996 reloading guide. Black powder strand burn rate propellant physical properties of black powder burn rate 26. Shooters world retail lovex oem western powders hogdon powders. For example, a certain powder type can act slightly quicker than some other powder type, when used in 308 winchester loads. Powder burning rate chart shows 107 powders from the fastest to the slowest. Green imr enduron powders red winchester powders 1 norma r1 51 alliant blue dot 101 hodgdonvarget 2 vihta vuori n310 52 accurate arms no.
Download latest hodgdon imr relative burn rate chart daily. The latest in reloading, straight to your inbox keep uptodate on new products, trends and tips from the leader in reloading. Cfos typically think about burn rate in monthly terms. What is a burn rate, as related to internal ballistics. The powder hodgdon shows as fast may be slow on the one published by vhita vuori. The following powders are listed by their approximate burning rate, from fastest to slowest. Clearly the burn rate of the two powders are similar, but the load data in the same manual suggests that w244 is slightly faster burning than w231, at least with most cartridges and bullet weights. Free download powder burn rate chart pdf, 18kb and customize with our editable templates, waivers and forms for your needs.
Until you know what conditions a particular manufacturer tested the burn rate of various powders, picking powders by burn rate is an exercise in. Ive read, but cannot confirm, that 842 is the same as cfe223, which puts it at the same burn rate as blc2. Black powder burns at essentially the same rate out in the open unconfined as when in a gun. Burn rates are not linear meaning the relative quickness between powders listed by each other in the chart may be nearly the same, or significantly different. If you look at the chart that you posted, they have h4198 as being faster than n120. Powder equivalents adi world class powders and ammunition. With different characteristics and a ton of variables, gunpowder needs to be fully understood before you attempt to reload ammunition. Jan 31, 2016 burn rate charts are not a reliable method of determining whether any two powders are identical, nor even if the same burn rate, different chart publishers use different methods for creating their list.
To view the pdf version of this burn rate chart click here. Do not use burn rate data to calculate comparable loads using a different powder. This table shows the latest imr powders including the enduron series imr 4166, 4451, 4955, 7977, highlighted in green below. People often shorten the phrase from burn rate to just burn. Bulk propellant shooters world smokeless powders and. Hey guys, youll probably want to download this powder burn rate table issued by hodgdonimr. This chart gives an approximation of where the powders fit within their relative burn rates. Smokeless powder may be the most important component for any shooter who is reloading ammo and its probably the most complicated as well.
To view this list in a pdf format, click the button below. The actual burning rate and position on this chart can be drastically altered by many factors including case size. One atmosphere flamespread rates for various classes of black powder 25 7. You might be surprised as you compare your favorite powder to others you have never seen or used before or have been curious about. The latest powder burn rate chart from hodgdon is some what different. Hodgdon powder relative burn rate chart published by hodgdon. Hodgdon powder relative burn rate chart published by. This list is sorted from the powders with the fastest burn rates to those with the slowest burn rates. Actual burning rates can vary depending on the calibre, firearm, loading components and practices, as well as from powder lot to lot.
Burn rate charts can never reflect the differences between powders in the correct proportion, and can only place powders in approximate burn rate envelopes. The vihtavuori selection covers more than 20 different types of reloading powders the right choice for all disciplines, firearms and ranges. Where does lil gun powder fall on the burn rate chart. The chart of relative quickness of powders below is intended as a guideline only. Industry tests have shown that a powder s location on this list can shift by 5 6 positions or more depending on conditions. The relative burn rate data is only intended as a rough starting point for load development, and the user assumes all risk for the data. Learn the burn rate definition, calculate burn rate, and use it to help your business grow here. Smokeless powder does not detonate like high explosives as it has a controlled rate of burn and differs considerably in its burning characteristics from common black powder. Blue hodgdon powders yellow imr standard powders green imr enduron powders red winchester powders 1 norma r1 51 alliant blue dot 101 hodgdonvarget. Its not as easy to read as hodgdons, but it appears more inclusive. This chart should not be used to directly substitute one propellant for another. Samecomparableclose powders under different labels page 5.
Hey guys, youll probably want to download this powder burn rate table issued by. This is because there is no industrystandard protocol for measuring powder burn rates. The most comprehensive smokeless powder burn rate chart i have found. Hey guys, youll probably want to download this new powder burn rate chart issued by hodgdonimr. This printable pdf chart can be viewed, downloaded and also printed. Rule3, sorry, but i have no idea as to the why be86 is absent from current burn rate charts i trust your report regarding same. Jul 19, 2016 the latest in reloading, straight to your inbox keep uptodate on new products, trends and tips from the leader in reloading. It must be clearly understood that burning rates are not linear. Light charge weights of fast burn rate propellants are loaded in small, lowerpressure, straightwalled cartridges.
A bit over 2 years ago i settled on be86 as my preferred propellant for 124gr plated 9x19s. This chart is for informational purposes only and is not designed to take place of data in conventional reloading manuals or this site. As the cartridge capacity increases andor the saami pressure limits increase, the best propellant will typically exhibit a relatively slower burn rate. This new table shows the latest imr powders including the enduron series imr 4166, 4451, 4955, 7977, shown in. Heavy charges of slow powder go in large, bottlenecked, higherpressure rounds. I would like to better understand the effect of powder burn rate on cast bullet performance in pistols such as the 9mm. When doing load development, and testing one powder versus another, its generally wise to choose propellants that share the same relative burn rate, as least for starters. This chart can be downloaded in seconds along with the other valuable charts we provide. Method 1030 ignitability of solids sw846 is not intended to be an analytical training manual. Powders within three lines of one another are similar in relative quickness but cannot be directly substituted without due regard for safe reloading procedures. May 22, 2018 powder burn rate chart powder burn rate chart relative burn rates smokeless powder burn rate chart accurate powder burn rate chart alliant powder burn rate chart burn rate chart powder burn rate related. Most reloading manuals have them, but sometime the same powder will has a different burn rate say through out a time span. Therefore, method procedures are written based on the assumption that they will be performed by analysts who are formally trained in at least the basic principles of chemical analysis and in the use of the subject technology.
This invaluable burn rate chart ranks powders from eight major powdermakers. This table shows only approximate equivalent values within about 5%. January 4th, 2016 updated hodgdon and imr relative burn rate chart. Comparative powder burning rates the chart below lists powders currently and commonly available in the us. Burning rate chart sequence from fast burning on the top to slow burning rates click on names or numbers in orange below for more information. W244 appears before w231 indicating that w244 is slower.
Burn rate for rl26 in ql is way off, so no it doesnt have the answer. It will give you a general idea but those burn rates for powders shouldnt be thought as being etched in stone. Updated hodgdon and imr relative burn rate chart daily bulletin. Relative burning rate charts can never provide absolute data because too many factors are involved in how propellants burn within a. Powder trickler a tool used to precisely pour trickle powder onto the scale. Supplying bulk propellant to ffl class 6 ammunition loaders, small and large. Burn rate refers is how fast a company is losing money. There are really two important burn rates, gross burn rate and net burn rate.
Use this chart for your own personal use completely free. They are listed in order from the fastest burning to the slowest burning. If you understand these three properties, you have. Burn rates are not linear meaning the relative quickness between powders. Smokeless powder burn rate chart pdf download print pdf description. Powder measure most kits will contain a powder scale, most of which use weights on a balance beam to measure powder. What started as a small dream has become a multimillion dollar international business selling ammunition, reloading supplies and. Accurate, alliant, hodgdon, imr, norma, ramshot western, vihtavuori, winchester. Get latest powder burn rate chart here daily bulletin. I did find a post somewhere where someone did use ql to make an updated chart just not accurate for rl26 and i believe rl16 is wrong too. Burn rates are not linear meaning the relative quickness between powders listed by each other in the chart may be nearly the.
Interior of black powder grain produced by jetmill process 14 3. What started as a small dream has become a multimillion dollar international business selling ammunition, reloading supplies and accessories. Strand burn rates at atmospheric pressure as a function of density18 5. Relative burn rates from fastest to slowest provided by. However, when propellants noted occupy the same burn rate, they likely have adequate substitutionary characteristics.
Aug 10, 2018 august 10th, 2018 get latest powder burn rate chart here. Strand burn rates of these samples were determined by. Shooters world lovex western powders hodgdon powders. This new table shows the latest imr powders including the enduron series imr 4166, 4451, 4955, 7977, shown in green below. The power burn rate factor in ql is an approximate value, derived by the author of ql from lab measurements on actual samples of each powder. I wanted to do a controlled test for gunpowder to see which gun powders left the most residue. And to also see the burn rates, was looking for the cleanest burning powder. Offers a wide range of popular powders for all burning rates. I have limited experience reloading the 9 as i produced 3k rounds this summer using 125gr lrn bullets and 4. Jun 22, 2016 burn rate is a way of describing how fast a company is using up its cash reserves. Lovex powders for pistols and revolvers calibres d0 s011 s015 d032 s020 d036 d037. Burn rate charts provide an approximate comparison of gas generation rates between propellants. Beartooth bullets powder burning rate chart author.