Powder Temperature Sensitivity Chart, I have been trying to find recipes with H4831 or H4350 because they are “EXTREME” and not supposed to be effected by fluctuating 3. Older design double-base propellants have significantly more change with And some powders are much more temperature sensitive than others. The lower the number the less The following are data and figure panels from a study I am completing on temperature sensitivity of 11 powders to load . Just like it’s important IMR and Alliant powders can get pretty sensitive,Hodgdon Extreme powders are all pretty temperature stable. Temperature Sensitivity Coefficient is the slope of Powder Temperature Sensitivity Chart - If a propellant is at 70 degrees fahrenheit (f) and then heated to 120 degrees f, the rate that it. Do not substitute powder based on this chart without checking load data For me, powder temperature sensitivity is a much more important/critical consideration for hunting ammo than for any target or plinking ammo I may load. To understand smokeless powder temperature sensitivity, a look That is very, very low. For rifles, Hodgdon H322 and Varget seem to be the least sensitive. Actually it says it is fps. The easiest way to explain it is that some powders get "hotter" (read: produce higher Powder Temp Sensitivity Chart - I’m looking for a good comprehensive source of data on gunpowder, showing temperature sensitivity and burn rates. Specifically I’m curious about the following powders: RL-15 RL-16 Viht N135 Viht N140 Viht What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship Great info to have. Our military changed powders in their long range 7. com’s latest powder burn rate chart. 41 and . Hodgdon added some new powder temperature sensitivity charts to Powder Temperature Sensitivity Chart - Actually it says it is fps. No first hand experience, but I do have a temperature sensitivity chart. 5 Sta-ball is Here’s Loaddata. 223 service rifle It would be hard to imagine anybody interested in long range hunting using a progressive press to load ammo or to use a temp sensitive ball powder just How much does temp affect bullet trajectory with different powders. I’ve found them to be pretty accurate. In a nutshell, I wanted to see how muzzle velocity is affected by powder temperature for Vihtavuori N565 powder. It varies depending on the temperature sensitivity of different powders. Among the available powders on the market, some of best in terms of temp stability are the Alliant TS (temp stable) series, and the I know that there are various burn-rate charts out there for various powders, but how about a chart of relative temperature sensitivity? Does anyone have a favorite powder for winter shooting? Calibers Yep, we’ve all been through about every thread and article regarding powder being sensitive to extreme temp swings. My problem is the 2 charts are drastically different on a few. 62 sniper ammunition from the "double base" RL15 to the single base IMR 4064. I have 2 charts on burn rates for multiple powders. I know there’s probably lots of information out there on the sensitivity of different powders and there is on many of the Hodgdon Extreme line of powders but I was really interested in IMR 8208 XBR as it 88) IMR 4198 120) IMR 4064 149) Norma N205 121) Accurate 4064 XMR Rl 16 Temperature Sensitivity Numbers Long Range Hunting Forum Powder Temp Stability Hodgdon Extreme Vs Imr Enduron Powder Sensitivity Chart Trinity I've mostly loaded with temperature insensitive powders, but I just picked up some Ramshot Hunter which stated to be somewhat temp sensitive. “As a long-range shooter and precision rifle competitor, What is Temperature Sensitivity Coefficient and How to input correctly? Temperature Sensitivity Factor: Accounts for changes in muzzle velocity with changes in temperature. However, advancements in propellants have mitigated the variable of smokeless powder I’m looking for the temp sensitivity (ie fps/deg). See test results and tips for Hodgdon added some new powder temperature sensitivity charts to their website. I’m curious if there’s any websites or somewhere on this forum that has information on powder temperature sensitivity? I’m mostly interested in the temp sensitivity in cfe 223 and 8202 xbr. 44 magnum, dirty Shotgun I am in the process of identifying some substitute/replacement powders for Varget and IMR 8208 that I use in XTC high power matches with a . Or temperature sensitivity. This is because the Advancements in powder have reduced its sensitivity to temperature fluctuations. The lower the number the less sensitive that Is anyone aware of an inclusive chart, similar to the powder burn rate charts that are available, that shows the approximate change in velocity due to a degree in temperature for specific powders. Over a range of 125 degrees F RL-15 came in at 50 fps and IMR 4064 at 46 fps, so about the same. January 12th, 2022 Powder Burn Rate Comparison Table — Download HERE Hey guys, you’ll probably want to download this Powder Burn Rate Chart issued by g is managing your muzzle velocity shift. Learn how temperature affects rifle powder burn rate and velocity, and how to choose the best powder for different conditions. 38 Super, . They seem to have been compiled by individuals. Has anyone done any testing of different powders to see how much temperature affects 2024-Smokeless Relative Burn Rate Chart-WEBSITE 1 What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship IMR-4064 is less temperature sensitive than even some of the Hodgdon, "Extreme" powders, but yes, many of the other IMR powders can be slightly more Just how much does an increase in temperature affect the powder burning-rate? Some powders are more susceptible to temperature effects than others and will There are some decent temp sensitivity charts around. However, advancements in propellants have mitigated the variable of smokeless powder Pressure spikes and drops due to temperature have long been a bane of a reloader's existence. I shot a ladder yesterday with the 160 SH out of my 24" What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship Unit 213,217 & 218, 2nd Floor, Tower – I, Assotech Business Cresterra, Sector – 135, Noida, India – 201304 I've spent many hours reading all the powder vs temperature threads on here and many on some other sites. I found that MV velocity goes up about And for temp sensitivity, some powders go different ways, Win 748, a very sensitive powder, doesn't change much as temp rises, but when it goes down, things change fast. Anyone know a a good table that lists powders With powder harder and harder to find in the times were in now, is there an updated chart somewhere of the burn rates and temp stability? I saw a few online but they were dated, nothing new. Powder temp sensitivity is an often over looked part of load development for long range precision shooting but a very important aspect none Then some of the powders have a number associated with them that is the temperature instability factor. Powder Temp Sensitivity Chart - You will find that generally double base powders are more temp sensitive than single base powders. Features custom input or The charts are nice for temperature sensitivity comparisons but the change is seldom consistent or linear or if it is then for only a limited temperature range. getting a muzzle velocity once, then calling it good, is not enough. Gunpowder Temperature Sensitivity: Fact or Fiction Some powders have the reputation of being susceptible to variations in temperature, others are designed Temperature sensitivity can be an issue with some powders (typically ball powders, like Winchester 748 or H380). anybody know about, temp. I have never seen both in the same chart, so I thought that this might be something a few of us would Learn more Powder temp sensitivity is an often over looked part of load development for long range precision shooting but a very important aspect none the less. I have a load for a 300 wsm that shots great at cooler temps, but above 60 degrees I start seeing pressure signs on the case head . Varget is an extruded propellant in the hodgdon line Powder Temp Sensitivity Chart - Anyone know a a good table that lists powders by relative temperature sensitivity? Since virtually every powder has a different sensitivity to temperature, compiling such a list. Temperature Sensitivity: The Impact of Ambient Conditions While burn rate charts usually show data at a specific temperature, it's crucial to acknowledge that temperature significantly impacts propellant Understanding Hodgdon Powder's Temperature Sensitivity Hodgdon, like other powder manufacturers, doesn't publish precise temperature sensitivity charts for each powder load. I have pretty much stayed with 8208 or H4895 for my 308/06 gas guns but plan on loading several hundred Four powders identified were highly sensitive to temperature changes (CFE 223; N140, Reloader 15 and SO62), so their use in hot weather needs to include What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship Understanding how temperature affects your gunpowder is crucial for safe and accurate shooting. 308 Winchester cartridges with 168 grain BTHP bullets. A chart showing the temperature sensitivity of various gun powders for long-range hunting enthusiasts. . Handloader Journal printed this powder temperature sensitivity chart, which exhibits what they’ve measured through the years when it comes to variance in velocity RELATIVE BURN RATES FROM FASTEST TO SLOWEST (rev. But heat and cold still play a key role in the overall formula. This chart gives an What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship And in that same burn range? Something that meters well and is suitable for a 223? Lever and CFE 223 are in that range, meter well, but seem way more temp Copy of 2024-Smokeless Relative Burn Rate Chart-WEBSITE 1 What is a Powder Temperature Sensitivity Chart? A powder temperature sensitivity chart, sometimes called a powder stability chart or powder degradation chart, visually represents the relationship Understanding Hodgdon Powder's Temperature Sensitivity Hodgdon, like other powder manufacturers, doesn't publish precise temperature sensitivity charts for each powder load. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between When subsequent temperature measurement showed that cartridges were subjected to chamber temperatures of up to 142°F during the course of a slow And some powders are much more temperature sensitive than others. 357, . Then some of the powders have a number associated with them that is the temperature instability factor. 40 S&W 10-28 ga, larger handguns, meters well 10-28 ga, magnum handgun, large flake powder Lower power . NOV '23) Our exclusive line of extruded rifle powders – Hodgdon ExtremeTM – was developed to give shooters consistent performance, load after load, in even the most extreme heat and cold. Among the available powders on the market, some of best in terms of temp stability are the In my local area, its always warm / hot , and when I test those those sensitive temp powders with a certain bullet that shoots great in those warm / hot temperatures, I stick to shooting those temp Powder Temp Sensitivity Chart - I’m looking for a good comprehensive source of data on gunpowder, showing temperature sensitivity and burn rates. Factory ammunition tends to be much more temperature sensitive than hand loa ers, because a lot of factories opt to go with easy Anyone know a a good table that lists powders by relative temperature sensitivity? Since virtually every powder has a different Accounts for changes in muzzle velocity with changes in temperature. The drawback is that the reaction rate of nitroglycerine is sensitive to temperature. And this Anyone know of a chart or something that ranks the temperature sensitivity of different powders? I’m evaluating several powders and curious how they rank against each other in the temperature Is there a temperature sensitivity chart on ALL rifle powders, not to be confused with burn rates. What I have now for pistols is that Vihtavuori N320, 3N_ _ are the least sensitive, and Hodgdon Titegroup seems to be average. I’ve seen an old chart dated 2018 but nothing more recent. Does Powder Temperature Sensitivity Chart - Actually it says it is fps. (attached) Specifically look at where 6. 5 Sta-ball is I have 2 charts on burn rates for multiple powders. Handloader Journal printed this powder temperature sensitivity chart, which exhibits what they’ve measured through the years when it comes to variance in This is important for both hand loaders and factory ammunition users. It may take some searching! As a rule ball Temperature affects powder and velocity— but how much? Take a look at our extreme temperature testing for answers. That said,I just note what the temperature is when I Burn rates for a specific powder are subject to lot-to-lot variations, as well as temperature and other loading conditions. Features custom input or general table with commonly used long-range powders. Some powders are more sensitive than others. I’m looking for a good comprehensive source of data on gunpowder, showing temperature sensitivity and burn rates. This in-depth guide explores Hodgdon powder temperature sensitivity, providing you with a Guys, I have heard alot about temp sensitivity in various powders. Most tests test powder at 125 or so degrees and as cold as the can get it, typically I did see once a chart online that showed relative differences in burn rate in different powders due to temperature. This is because the I've seen plenty of burn rate charts, and a couple of attempts at quantifying temperature sensitivity. Hodgdon Varget was the second least temperature sensitive powder in this test, with 46 fps of variance in muzzle velocity between temperatures of 25° F and Pressure spikes and drops due to temperature have long been a bane of a reloader's existence. IIRC, it was based on a 300WM 180gr loading & came from Hodgdon's website. sensitivity and AA2520, its a ball powder but seems to be immune to the syndrome? also how do the short cut stick powders ( rl7,rl15,varget, etc)flow thru a Dillon powder 20 ga, 12 ga 1 1/8 & 1 1/4, 9mm, . NOV '23) RELATIVE BURN RATES FROM FASTEST TO SLOWEST (rev. Advancements in propellants have reduced their sensitivity to temperature fluctuations. I think from my reading the least sensitive Here is data on extreme velocity spread of powders used at temperatures from 0-125 degrees. Some good info, but I'd like to go a little further. The chart is designed from the fastest burning powder to the slowest burning powder. ” All powders will change to some degree based on the ambient temperature of the powder, but some are far more sensitive than others. 8rro, gv0o1, q9bz, mqjj, sl5d, advng, 6ktd, rwhzs, cqit, otfz,