See the information below collected by Dr. Boren, owner of the Handloading List - previously on Yahoo Groups, but now on Groups.io.
Side note: I looked through the Shootersworld data manual and found they specify the Lovex powders used under Shootersworld names.
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Identical Powders
Manufacturer Powder Manufacturer Powder
Hodgdon HP38 = Winchester W231
Hodgdon HS6 = Winchester W540
Hodgdon HS7 = Winchester W571
*These have been confirmed by Hodgdon. Be aware that there are always lot-to-lot
differences in powders, and while the powders may be identical, when switching
from one to its analog, the handloader should work the load up from 10% below max
(unless advised otherwise by the manufacturer) as with any new load.
Confirmed on p. 29, 'Handloader', No. 254. HP38 also confirmed in the Hodgdon 229
Annual Manual, p. 48, first column. This same column also says that
Hodgdon H110 = Winchester W296
Winchester SMP224 = Winchester AutoComp
This information (and the above) is also confirmed in Handloader, No. 262 (Oct 09); which also states that
Hodgdon H414 = Winchester W760
HL 273 (August 2011, p. 59) and HL 286 (Oct/Nov 2013, p. 14) both state-
Accurate 2700 = Winchester W760 and Hodgdon H414
Another issue of HL (No. 248, p. 26; and No. 282, p. 16) states-
Ramshot Silhouette = Winchester Action Pistol
Accurate 2230 = Ramshot X-Terminator
Examining load data in the Western Powders Load Manual Ed. 5.0.1, I find that data for Accurate 2230 and Ramshot X-Terminator is identical. (Upd. 3-11-14)
Lane Pearce says that AA2230 and Ramshot X-Terminator are the same powder (Shooting Times, July 2015, p. 25).
Norma MRP = Alliant Reloder 22
(Handloader 289, p. 13, Brian Pearce)
The following ADI to Hodgdon Equivalents was found on the internet. I have not directly verified these with either Hodgdon or ADI. In the QuickLoad software program, data for these equivalents are indeed identical, which supports the claim that they are the same.
ADI | Hodgdon Equivalent
AS30N = Clays
AP50N (no match)
AS50N = International
AP70N = Universal
AP100 (no match)
AR2205 = H4227
AR2207 = H4198
Bench Mark1 (no match)
AR2219 = H322
Bench Mark2 = BenchMark
AR2206 (no match)
AR2206H = H4895
AR2208 = Varget
AR2209 = H4350
AR2213 (discontinued)
AR2213SC = H4831sc
AR2217 = H1000
AR2225 = Retumbo
AR2218 = H50BMG