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Shooting & Reloading - Mausers, Big Bores and others >> Muzzleloaders & Blackpowder

ironoxide
.224 member


Reged: 14/08/19
Posts: 28
Loc: Poland
Re: Pedersoli Kodiak. 58 double shooting left - technique advice
      23/06/21 10:42 PM

I've managed to unsolder the barrels. It seems Pedersoli brazed them with some sort of yellow looking high temperature braze. The alloy let go around 600~650 deg C. I have a propane forge so I ended up opening forge doors so the barrel could pass through under a burner. I heated parts of the barrels to around 600 deg C (monitored with a contactless thermometer). Then after pulling the barrels out and putting them on a steel table I quickly hit the rib with a small propane torch that brought the temperature high enough to melt it in a small area.

If this was normal carbon steel I think heating the barrels to 600 degrees C would ruin the surface due to oxidation. However I found out previously Pedersoli uses 30CrMo4 (chromium manganese steel). Thanks to high chromium the surface is somewhat protected. I also checked that this steel will not be weakened by heating it to 650deg C Its usual tempering temp is 650c - it anneals at over 800 deg C. This is probably why they chose it.

You can see on my picture how unusual grey color the steel has after. Normal carbon steel would've looked a lot different.



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Subject Posted by Posted on
* Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide 21/06/21 08:21 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice NitroXAdministrator   21/06/21 04:55 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   21/06/21 08:52 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice 93x64mm   22/06/21 07:44 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice EDELWEISS   22/06/21 09:03 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice 85lc   22/06/21 01:05 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   22/06/21 05:35 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   23/06/21 10:38 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice 85lc   23/06/21 12:12 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   23/06/21 08:35 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   23/06/21 10:42 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice 85lc   24/06/21 12:37 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   25/06/21 02:32 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice 93x64mm   25/06/21 07:40 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice DarylSModerator   25/06/21 12:36 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   25/06/21 08:54 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice DarylSModerator   26/06/21 01:28 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   26/06/21 04:15 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice DarylSModerator   26/06/21 08:40 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   26/06/21 11:13 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice DarylSModerator   27/06/21 01:46 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   27/06/21 09:33 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice 93x64mm   27/06/21 09:56 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   01/07/21 05:49 PM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   19/07/21 02:57 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice DarylSModerator   19/07/21 05:26 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   19/07/21 09:52 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice DarylSModerator   20/07/21 01:09 AM
. * * Re: Pedersoli Kodiak. 58 double shooting left - technique advice ironoxide   20/07/21 10:14 AM

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