4198

[blvedere]

What is the difference between IMR4198 and Hodgon 4198. Are they comparable, could you use either one with the same powder charge and get the same results ?

 

[bheadboy]

i do not believe they are the same, different production, yes they are simular, but not the same. check Hod web load data and see the differance they show.

bob

 

[Larryh128]

Either can be used for the same caliber but you will be at a slightly different charge.

 

[243winxb]

http://www.hodgdon.com/msds.html Different.

 

[blvedere]

http://www.hodgdon.com/msds.html Different.

Didn't tell me anything in regard to burn rate ?

 

[243winxb]

http://www.hodgdon.com/msds.html Different.

Didn't tell me anything in regard to burn rate ?

http://forum.accurateshooter.com/index.php?topic=3749983.0 Data for 223 rem shows H to be slower. Burn rate means nothing, as it changes in different cartridges. Closed bomb tests are how burn rates are classified. This is how i understand it. I am no expert on the subject. Some of H powders are made darker for the US market & given a different number or changed completely. (4895)

 

[Tim Singleton]

This is a good burn rate chart you can save as PDF

http://www.hodgdon.com/burn-rate.html


IMR4198 is #71
H4198 is #72

As close to the same as you can get. I know the H is an extreme powder supposed to be stable in wide temp changes.
I don't know how the IMR meters compared to H

 

[blvedere]

Dave, Thanks, that answers my question. I just started to shoot a 30 BR and was looking for a little faster powder. I use 8208 in my 6 BR. Just saying, I know 8208 is alot slower than 4198. Bob

 

[blvedere]

Dave, I have about 3# of H4198 at this time. When I find a load that the rifle likes, I will more than likely go back and shoot my 6 BR more than the 30, although I am out of 8208, going to load 322. I have a load I believe the 30 likes and will find out if it does at our next centerfire match in two weeks. It is a case full, pretty close to a compressed load. Thanks again for your info. Bob

 

[ScottMcc]

Imr4198 has big grains and crunches in the measure. In comparison CFE223 meters great and gives an extra 100 fps in 222 and 223 loads.

 

[bheadboy]

the number 71 and 72 say nothing as to the % difference in burn rate only that they are adjacent to each other in the overall rating.


IMR4198 is #71
H4198 is #72

As close to the same as you can get. I know the H is an extreme powder supposed to be stable in wide temp changes.
I don't know how the IMR meters compared to H Bob

 

[CatShooter]

I know the H is an extreme powder supposed to be stable in wide temp changes.
I don't know how the IMR meters compared to H

Bob

The H-4198 is finer grained than the IMR-4198. But it is still a stick and you will cut a grain from time to time - it looks like a slightly larger version of IMR-8208 XBR, (but it is much faster).

I have never heard anyone use the word "accurate" when talking about CFE - but 4198 is a classic accuracy powder.

 

[fm1947]

In most VFS matches I have been to in the loading list most 30BR shooters I have seen are from 34 Gr to 34.5 of H-4198 with 118 gr bullets and 125, most 118.