casting with straight lino

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Last Post 18 September 2023

CBA Member

GWarden posted this 18 September 2023

If casting with straight lino, what temp does one need to use for best results in cast bullets?

bob

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Standard Member

Rich/WIS posted this 18 September 2023

Haven't use straight Lino in years but IIRC ran the pot in the 700 degree range with iron molds when casting rifle bullets. Not sure of he exact temp as I did not have a lead thermometer and went by the temp setting on my old Lyman 10# pot. Checked my notes and references and was surprised to see that RCBS recommended 775 degrees, a lot hotter than my experience.

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Standard Member

OU812 posted this 18 September 2023

About 700 degrees will work. Cadence and mould temp is more important. Sprue should solidify or frost over in about 2 to 3 seconds after pouring.

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CBA Member

delmarskid posted this 18 September 2023

With a good hot mold I can get by with 650 . The goodies start burning off above 700 by my thermometer.

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CBA Member

RicinYakima posted this 18 September 2023

Cast 30 caliber match bullets for many years with a single cavity Ideal mould using linotype. Depending upon shop temperature and speed of casting, I would start at 710 and lower five degrees when the mould was too hot. In the winter it would normally end up about 690. If the bullets didn't fill out well, I'd add five degrees. For me, it was a rate of casting as much as anything, and I'm fairly quick with a single cavity mould.