Table 10. Expected Minimum Mechanical Properties of Cold-Drawn Carbon-Steel Rounds, Squares, and Hexagons
Cold-Drawn Followed by Low-Temperature Stress Relief
Cold-Drawn Followed by High-Temperature Stress Relief
As Cold-Drawn
Size, in.
Tensile Strength Elongation in 2 inches, Percent Ultimate Yield 1000 lb/in 2
Tensile Strength Elongation in 2 inches, Percent Ultimate Yield 1000 lb/in 2
Tensile Strength Elongation in 2 inches, Percent Ultimate Yield 1000 lb/in 2
Reduction in Area, Percent
Reduction in Area, Percent
Reduction in Area, Percent
Hardness, BHN
Hardness, BHN
Hardness, BHN
AISI 1018 and 1025 Steels
70 65 60 55 75 70 65 60 85 80 75 70 90 85 80 75
60 55 50 45 65 60 55 50 75 70 65 60 80 75 70 65
18 16 15 15 15 15 13 12 13 12 12 10 12 12 10 10
40 40 35 35 40 40 35 30 35 35 35 30 35 35 30 30
143 131 121 111 149 143 131 121 170 163 149 143 179 170 163 149
.... .... .... .... 80 75 70 65 90 85 80 75 95 90 85 80
.... .... .... .... 70 65 60 55 80 75 70 65 85 80 75 70
.... .... .... .... 15 15 13 12 13 12 12 10 12 12 10 10
.... .... .... .... 40 40 35 35 35 35 35 30 35 35 30 30
… 65 … 60 … 55 … 50
45 45 45 40 50 50 50 45 60 60 60 55 65 65 60 55
20 20 16 15 18 16 15 15 16 15 15 12 15 15 15 12
45 45 40 40 45 45 40 40 45 45 40 35 45 45 40 35
131 121 111 101 143 131 121 111 163 149 143 131 170 163 149 143
5 ⁄ 8 - 7 ⁄ 8
Over 7 ⁄ 8 - 1 1 ⁄ 4 Over 1 1 ⁄ 4 - 2 Over 2 - 3
AISI 1117 and 1118 Steels
163 149 143 131 179 170 163 149 187 179 170 163
70 65 60 55 80 75 70 65 85 80 75 70
5 ⁄ 8 - 7 ⁄ 8
Over 7 ⁄ 8 - 1 1 ⁄ 4 Over 1 1 ⁄ 4 - 2 Over 2 - 3
AISI 1035 Steel
5 ⁄ 8 - 7 ⁄ 8
Over 7 ⁄ 8 - 1 1 ⁄ 4 Over 1 1 ⁄ 4 - 2 Over 2 - 3
AISI 1040 and 1140 Steels
5 ⁄ 8 - 7 ⁄ 8
Over 7 ⁄ 8 - 1 1 ⁄ 4 Over 1 1 ⁄ 4 - 2 Over 2 - 3
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