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(SCREW MACHINE STOCK) ASTM A108 - UNS G12130, G12150
Color Marking


1215 are resulphurized and rephosphorized free machining steels, commonly referred to as Screw Stock. They are improved free-cutting steels that have replaced the Bessemer B-1113 grade. They are especially suited for automatic screw machine operations where the major requirement is exceptional free-cutting quality with a good finish.

Stock Lengths 11' to 12'
Unit of Measure
1 

Size

Estimated Weight per Foot

Estimated Weight 12-Ft. Bar

1/8 N/A .0531 lb N/A .6381 lb
3/16 N/A .1196 lb N/A 1.436 lb
1/4 N/A .2127 lb N/A 2.552 lb
5/16 N/A .3323 lb N/A 3.988 lb
3/8 N/A .4786 lb N/A 5.743 lb
7/16 N/A .6514 lb N/A 7.817 lb
1/2 N/A .8508 lb N/A 10.21 lb
9/16 N/A 1.077 lb N/A 12.92 lb
5/8 N/A 1.329 lb N/A 15.95 lb
11/16 N/A 1.609 lb N/A 19.30 lb
3/4 N/A 1.914 lb N/A 22.97 lb
7/8 N/A 2.606 lb N/A 31.27 lb
15/16 N/A 2.991 lb N/A 35.89 lb
1 N/A 3.403 lb N/A 40.84 lb
1 1/8 N/A 4.307 lb N/A 51.69 lb
1 1/4 N/A 5.318 lb N/A 63.81 lb
1 3/8 N/A 6.434 lb N/A 77.21 lb
1 1/2 N/A 7.657 lb N/A 91.89 lb
1 5/8 N/A 8.987 lb N/A 107.8 lb
1 3/4 N/A 10.42 lb N/A 125.1 lb
2 N/A 13.61 lb N/A 163.4 lb
2 1/8 N/A 15.37 lb N/A 184.4 lb
2 3/8 N/A 19.20 lb N/A 230.4 lb
2 1/2 N/A 21.27 lb N/A 255.2 lb
3 N/A 30.63 lb N/A 367.5 lb
Unit of Measure
1