Approximate Tensile Strength

Carbon Per Cent

Tensile Strength in Lbs. Per Square Inch

.05 to .10	47,040 to 60,480
.10 to .15	53,760 to 64,960
.15 to .20	60,480 to 71,680
.20 to .25	64,690 to 76,160
.25 to .30	67,200 to 78,400
.30 to .35	69,440 to 82,800
.35 to .40	78,400 to 91,840
.40 to .45	87,360 to 100,800
.45 to .50	96,320 to 107,520
.50 to .55	105,280 to 118,920
.55 to .60	112,000 to 123,200
.60 to .65	116,480 to 127,680
.65 to .70	123,200 to 134,400
.70 to .75	129,920 to 138,880
.75 to .80	134,400 to 143,360
.80 to .85	136,640 to 145,600
.85 to .90	141,120 to 150,800