Re: [hobbicast] Re: Bronze or Brass
- Dear friends,
i am into mfg. brass & bronzes for last 35 yrs. any
enquiry ,information you need would be welcome
--- "terryb_au <terrybrown@...>"
> Hello Antonio,http://groups.yahoo.com/group/Hobbicast_coffee_lounge/
> It was LG2 Bronze that I melted. I have since done a
> few more melts
> of this bronze, the biggest melt was 4
> Kg.(8.8Pounds) LG2 leaded
> bronze consists of 85% copper, 5% tin, 5% zinc, 5%
> lead. I used a
> crushed glass(food grade) cover on the melt and
> about a teaspoon of
> Borax as a flux. I poured it at about 1080C -
> 1150C.(1976F -2102F) I
> don't know the correct temp for pouring this stuff
> but it worked ok
> for me at that. If you go to Hobbicast group and
> look at message
> 21221 there are some other bronze compositions
> listed. Obviously have
> your melt area well ventilated, preferably with a
> bit of breeze (fan)
> blowing fumes away from you. The crushed glass
> cover(which melts and
> floats on top)pretty much stops the zinc flare, pour
> as soon as you
> scoop the glass cover off. If you make a copper/tin
> only bronze you
> probably have to pour at a higher temp than I have
> mentioned above.
> I thought you lived in Portugal or maybe you're
> TerryB http://members.optushome.com.au/terrybrown/
> PS Anyone know a correct range of temps for pouring
> the leaded
> --- In firstname.lastname@example.org, antonio ramos
> <toki_500@y...> wrote:
> > Hello Terry : I wish to know about your melting
> of bronze . It is
> bronze o brass?? I have read that these stuff
> contains zinc... then
> will be brass perhaps.
> > Please is important for me to known this.
> > This week end I have some bronze melt Sn and add
> progressively, but when I want cast it , it was
> frozen. I suppose
> that it is a tiny amount of bronze.
> > Regards.
> > Antonio .
> > Spain
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