How much difference will it make?

[qajaq59]

I've had good results casting and shooting with 91% lead plus 4.5% tin and 4.5% antimony. However I got my hands on some 50% WW & 50% pure lead yesterday. I'm wondering if I will have to change the PL and WW formula in order to have it cast as good as the original mix? Also will the BHN be way different? I should add these will be bullets for a .308 rifle, if that matters.
Thanks in advance for any help you can offer.
Qajaq

[BABore]

Depending on the make-up of the WW's used in the 50/50 WW-Pb alloy, it should produce air cooled boolits of 9-10 bhn. If you water drop them, they should come out at 18-22 bhn. I shoot this alloy in alot of my HV applications. The lower antimony level actually reduces the fouling or grey wash in your barrel. Give it a try and do a direct comparison. It's the only way YOU will know the real answer.

[Calamity Jake]

"4.5% tin" is a waist of tin. 2% max is all you need.

[Boerrancher]

I push gas a gas checked 50/50 WW and pure alloy up to 2500 fps out of my 30-06. I am sure I could push it a bit faster but it does well right were it is. Boolit fit and the proper lube is key along with a slow burning powder. Pressure causes leading in the bore not velocity.

Best wishes from the Boer Ranch,

Joe

[BABore]

I push gas a gas checked 50/50 WW and pure alloy up to 2500 fps out of my 30-06. I am sure I could push it a bit faster but it does well right were it is. Boolit fit and the proper lube is key along with a slow burning powder. Pressure causes leading in the bore not velocity.

Best wishes from the Boer Ranch,

Joe

Ditto to that. I do have an anomalous 30'06 that seems to really like Reloder 7 at around 2,400 fps. It goes against the grain, but it shoots. A touch of copper added to the 50/50 alloy can take you to that next velocity jump. Toughness as opposed to hardness.

[Tom Herman]

"4.5% tin" is a waist of tin. 2% max is all you need.

I never use more than 2% Tin, and use it simply for better fillout. I use the WW material for its hardening properties. I'm a big fan of 50/50 wheel weights to lead.

Happy Shootin'! -Tom

[qajaq59]

Ok Guys, I'd say you definitely took care of my concerns. Thank you.

[jdgabbard]

A little off subject but still on the beaten path, with the age of WWs coming to an end, anyone know of a fairly close mixture of Lino and 99% to get a alloy that is close to WWs?

[KYCaster]

A little off subject but still on the beaten path, with the age of WWs coming to an end, anyone know of a fairly close mixture of Lino and 99% to get a alloy that is close to WWs?


If you normally add Sn to your WW, try 5 parts Pb to 1 part Lino. About the same Sb as WW but a little higher Sn.

If you use your WW straight then 6 parts Pb to 1 part Lino is about the same Sn as WW, but a little lean on the Sb.

Jerry

[jdgabbard]

I usually add about 0.5% Tin, just to bring it up a tad bit. Helps me with fillout, and lightening just a hair to get my boolits to the desired weight.