Do you hot blue or do you use another type?
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Ramblings and Such From Hunting Coyote
- Thread starter DSheetz
- Start date
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For the guy at home that wants to touch up a bare spot or small project there are some good products available. I'm not a fan of things like birchwood casey and a few others. There again we all have found what will and what won't do what we want. Most of the time when something didn't perform as I wanted it to it was my fault dealing with the preparation or in the final step, they do have the procedures written for a good reason not just to use paper I have learned at my own expense.
Who are you using for Cryro my friend?I won't get it back till Thursday. It's an E.A. Brown 26" 1:8 twist 260 Remington. The biggest reason I wanted it crio treated is that when you laser engrave it has localized heating and having done a lot of welding in my lifetime, I know that creates stress risers in the metal. It was crio treated before I set it up in the action the first time. 4140 and 4150 chrome molies react differently to machining than 416 stainless steel, in the world of knife making the stainless steels and high carbon steels, 52-100, react well to crio treating as it helps lessen the graphite around the grain boundaries of the microstructures so that they have smooth edges without any gaps between them that is filled by a brittle substance filling them in. In the world of steam turbines we used nitriding on the surface of stainless steels to harden them for around .030, you couldn't touch them with a file till you got through the nitride finish. Then a crio treatment to relieve the stress and you had a hard surface that was wear resistant but an inner core that wasn't brittle and would grow and shrink at an ever rate with the massive changes in temperatures, kind of like what we do when we fire a cartridge in the chamber of our firearms. With nitrated bolts and studs, we used the amount of stretch in their length instead of a torque value in foot pounds to calculate how much it took for them to still be tight after they heated up and you would ideally only use them through so many tightening's before replacement. In the world of firearms knowledge of some of the metallurgy proprieties is also a good thing as most of us already know, and we are learning more all of the time. If we stamp markings in one side of a barrel we have created stress in that side and as has been said many, many, time for every action there is an equal and opposite reaction, most of the time it really doesn't affect the barrel or it's life for the average hunter, but when we are talking about precision rifles or rifles that the operator's life depends on them , in my opinion, relieving the stress is a good option for making everything as well balanced as can be and not allowing the bullets travels be affected unduly by lowering the possibility of having more drag on one side than the other even in a small area such as we create when we stamp or laser engrave an barrel. Just some of my anal retentive thoughts creeping out again. lol oops dry humor!!!!
I use a guy in Casper by the name of Bryan Hebert at Phantom Hybrid Designs. He's been waiting to get enough for a full load to do crio to keep the costs down. he's at www.phantomhybriddesigns.com ph. 307-215-9799. His price isn't bad on any of the things he does laser engraving or crio treatment. I am a believer in stress relief being a useful tool. For my knife blades I do that myself as they are small and a couple of blocks of dry ice, in a cooler with cirawool insulation does what I want for them some guys use dry ice and acetone in a caldera for their knives, I just lay cerawool on the bottom of the cooler put a block of dry ice down lay my blades on it and lay a block of ice on them cover them with more cerawool. He has been doing a few brake drums for simi and passenger busses as well, it extends their life quite a bit as well.
Well, I'm back again for a while. The wildfires are close to contained in our area and the air quality is back to good running in the 30's and 40's from as high as 158 the other day. Having abused myself a lot when I was younger, they advised me to stay indoors till the air quality improved. Where I live is about 4500 feet above sea level and it's still in kind of a valley that the Platt River runs down on its way to Nebraska, so we get some inversions and that traps all of the pollutants in the valley and holds them close to the ground. Several years back my brother-in-law called me one day to ask me if I could run him up a fuel filter for his tractor, he said his was plugged up with some bad fuel that had some waxy stuff in it. I laughed and asked him if he had ever seen diesel fuel jelled, he said no we use winter blend it won't jell. At 40 below it wasn't winter blend, and it was jelled. I picked up a couple of fuel filters and headed up to the mountain. He lived at 7500 feet above sea level, when I left here it was 40 below when I got to his place it was only 20 below but the wind started blowing on the way up from the southwest, what is called Chinook winds. By the time we got the fuel filter changed it was nearly freezing if you were out of the wind. I showed Brian that if you put the old fuel filter in a warm place it would be okay to use in a pinch, took a weed burner and warmed his fuel tank and opened the recirc valve so that he got warmed fuel put back in the tank, and headed home. It was now above freezing up there and you could see a layer of smoky air laying in the valley below, when I got home it was still 20 below down in the valley with bad air quality, but by morning it was above freezing, and the air was cleaned up by the Chinook winds. I am so glad that we have four seasons I missed them when I was in a place with only two seasons wet and dry.
Glad you're back and all safe and sound DSheetz. What a destructive thing those fires are. I can't imagine. Pasture burns and such are a good thing when done in a controlled manner and at the right time of year but the indesciminate type like what most western states have to deal with are just bad bad bad.
