(These have a fusing point usually below 300° F.)

(See also Solders.)

I. Rose's Alloy

Bismuth, 2 parts; lead, 1 part; tin, 1 part. Melting point, 200° F.

II. Darcet Alloy

This is composed of 8 parts of bismuth, 5 of lead, and 3 of tin. It melts at 176° F. To impart greater fusibility, 1/16 part of mercury is added; the fusing is then lowered to 149° F.

III

Newton alloy melts at 212° F., and is composed of 5 parts of bismuth, 2 of lead, and 3 of tin.

IV

Wood's Metal.—

Tin................. 2 parts

Lead................ 4 parts

Bismuth..........5 to 8 parts

This silvery, fine-grained alloy fuses between 151° and 162° F., and is excellently adapted to soldering.

V

Bismuth,.7 parts; lead, 6 parts; cadmium, 1 part. Melting point, 180° F.

VI

Bismuth, 7 to 8 parts; lead, 4; tin, 2; cadmium, 1 to 2. Melting point, 149° to 160° F.

Other easily fusible alloys: