[modeleng] Gun metal or phosphor bronze

  • From: Harry Wade <hww@xxxxxxxx>
  • To: modeleng@xxxxxxxxxxxxx
  • Date: Wed, 04 May 2005 17:19:48 -0500

At 10:50 PM 5/4/05 +0100, you wrote:
>What should I use for boiler bushes? Gunmetal or Phosphor bronze and what
grade? I have been  told Phosphor bronze grade SA660 but as that is leaded
and would it not cause problems when silver soldering? - Andy

Andy,
    Are you in the U.S.?   If so SAE660 is OK for bushes, there isn't
enough lead content to inhibit soldering, but a phosphor bronze such as
C510 or C521 would be better.


Regards,
Harry Wade
Nashville  Tennessee

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