If you specify silicon bronze 513B alloy, it is a yellow brass color. It's a little harder to polish (as all silicon bronzes are) compaired to manganese bronze...
If you do a search of this group you will find a few years ago a guy on this list who may still be a member, Tom Cobett, gave all of that info in a few posts....
check http:\\copperstarways.com Richard ... From: hobbicast@yahoogroups.com [mailto:hobbicast@yahoogroups.com]On Behalf Of Lyle Sent: Friday, December 01, 2006...
I asked the same question a little while ago and found this information The resin is about $55, while the co reactant is $80+, for 5 gallons of each. It goes...
... Do brass and bronze spark when you grind them? Copper-beryllium should not. -Sebastien...
Sebastien Bailard
penguin@...
Dec 2, 2006 2:30 am
36954
No _____ From: hobbicast@yahoogroups.com [mailto:hobbicast@yahoogroups.com] On Behalf Of Sebastien Bailard Sent: Friday, December 01, 2006 4:38 PM To:...
We're talking two different things. The copperstairways place has petrobond resin, not the same as "Resin bonded sand" which is epoxy resin bonded sand similar...
my problem is i have a lot of brass,phosphor-bronze and stuff that could be copper-byrl..is there a chemical reaction test?? --- In ... On Behalf ... bronze ...
Resin bonded sand is not an epoxy system and it is not a polyester like fiberglass systems. There are several systems these include : 1) furan based 2)...
You are correct. No Herman Iron Pour this year. I was at the 2005 one. The resin bonding was fairly easy. Basicly, you mix sand and resin in a cement mixer,...
One of the best ways to tell brass and naval bronze apart is to drill a hole in the material. Brass will put out chips as does cast iron. Bronze will put out a...
Hello there- A word of caution. As a welder it has been a safety issue about Beryllium Copper. I don't know the details, but I've heard that this alloy emits...
Beryllium is extremely nasty in dust form - micrograms can pretty much kill you. I needed to get some beryllium copper springs made and could only find a ...
Wow I haven't found that to be 100% true, I alloy 90/10 bronze, and it puts out lots of chips when drilling, and I snapped my bronze. Maybe 90/10 is the...
I sent an email to Ashland to find a distributor for the Chem-rez 400. I'd like to try this stuff out since it seems really interesting. I also like the idea...
Hello Aaron - I'm dealing with a spring manufacturer who's pretty good. He makes a lot of very accurate springs for the "Things-that-go-bang" people. My...
I have created an album in the photo section of an air rammer that I am building. I purchased an Air Body Saw from a Homier Tool Sale and simply cut off the...
I was wondering what you are planning to use for the rammer head? I see the previous post used mahogany wood...I was wondering if aluminum or bronze, or what...
Thanks - I found a shop that not only did the job but did it very cheap and with exceptional quality. I only spoke with them over the phone and via email but...
I have not figured out exactly what I will use for the tip yet. I visited a local foundry and their air rammer has a rubber tip. They are always willing to...
Hi Aaron - good news that. cheers edi ... From: "Aaron Pasteris" <aarons_groups@...> To: <hobbicast@yahoogroups.com> Sent: Monday, December 04, 2006...
I think silicone rubber is too soft. The rubber tips on any air rammers I've seen were hard rubber. Rupert ... -- -- yvt Rupert Wenig Camrose, Alberta, Canada....
The idea rubber for this kind of application would be Devcon Flexane 80 which is pretty firm to begin with and can be used with a chemical modifier to increase...
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