I seem to remember that in the bad old days Solder was not just Solder.
There was Plumbers Solder with more lead and a higher melting point.
There was Tinsmiths Solder with more tin in it and a lower melting point.
And a few different compostions of the lead tin alloy I have a feeling Antimony was is some solder but can not be sure.
I would never use the horrible lead free solder on my car plumbing.
The Advantages of Antimony in Solder Alloys Antimony has demonstrated several advantages when used as a doping agent in solder alloys. When used in tin-lead solders in the 0.3% - 0.5 % range, the alloys exhibit better thermal fatigue resistance than alloys that do not contain antimony.
I just found the above on the Web.
It seems I was paying attention in my metalwork class Got the GCSE to prove it.
There was Plumbers Solder with more lead and a higher melting point.
There was Tinsmiths Solder with more tin in it and a lower melting point.
And a few different compostions of the lead tin alloy I have a feeling Antimony was is some solder but can not be sure.
I would never use the horrible lead free solder on my car plumbing.
The Advantages of Antimony in Solder Alloys Antimony has demonstrated several advantages when used as a doping agent in solder alloys. When used in tin-lead solders in the 0.3% - 0.5 % range, the alloys exhibit better thermal fatigue resistance than alloys that do not contain antimony.
I just found the above on the Web.
It seems I was paying attention in my metalwork class Got the GCSE to prove it.