Machinery's Handbook, 31st Edition
422
Mechanical Properties of Steels Table 11a. Typical Mechanical Properties of Selected Carbon and Alloy Steels (Hot Rolled, Normalized, and Annealed)
Table 11a. (Continued) Typical Mechanical Properties of Selected Carbon and
Tensile Strength Ultimate Yield lb/in 2 121,250 81,000 102,000 63,250 129,250 87,000 100,000 61,250 97,000 63,250 81,250 52,250 148,000 95,000 95,000 60,500 167,500 106,500 105,750 55,000 115,000 67,250 84,000 61,625 185,500 125,000 108,000 68,500 83,250 53,125 74,250 54,000 109,500 70,250 98,750 67,250 115,000 68,500 83,000 42,500 126,250 76,750 98,000 51,750 138,750 77,000 104,750 40,000 136,250 89,250 96,750 59,750 91,750 51,750 77,750 55,875 94,250 62,250 81,750 54,000 148,500 99,750 103,750 56,000 134,750 88,000 100,750 60,250 135,250 84,000 112,250 70,500 131,500 82,750 119,000 63,750
Reduction in Area, Percent
Impact Strength (Izod), ft-lb
Hard ness, BHN
AISI No. a
Treatment
Elongation, Percent
1340 Normalized (1600 F)
22.0 25.5 19.7 24.5 25.5 28.2 17.7 25.7 11.7 20.2 20.8 29.0 12.2 22.0 29.0 31.3 24.0 22.3 22.7 28.6 20.7 22.0 17.5 17.2 21.8 23.0 26.3 31.3 23.5 29.0 14.0 22.5 16.0 22.2 19.7 21.7 18.8 17.3
62.9 57.3 57.3 50.8 59.5 55.6 46.8 56.9 30.8 40.2 50.7 58.4 36.3 49.9 66.7 60.3 59.2 58.8 59.2 57.3 58.7 43.7 44.8 30.6 61.0 48.4 59.7 62.1 53.5 58.9 40.4 46.4 47.9 46.4 43.4 41.1 58.1 42.1
248 207 262 197 197 156 302 197 321 197 235 163 363 217 174 149 229 197 229 167 255 197 269 197 269 197 183 149 187 156 302 212 269 201 269 229 269 241
68.2 52.0 39.5 34.2 63.7 45.5 16.7 40.2 18.2 53.8 81.0 11.7 37.7 98.0 69.0 81.0 8.5 68.5 28.0 30.0 23.2 18.5 26.2 20.2 73.5 82.8 69.8 70.2 10.0 21.7 8.0 7.4 13.0 29.5 10.0
Annealed (1475 F)
3140 Normalized (1600 F)
Annealed (1500 F)
4130 Normalized (1600 F)
Annealed (1585 F)
4140 Normalized (1600 F)
Annealed (1500 F)
4150 Normalized (1600 F)
Annealed (1500 F)
4320 Normalized (1640 F)
Annealed (1560 F)
4340 Normalized (1600 F)
Annealed (1490 F)
4620 Normalized (1650 F)
Annealed (1575 F)
4820 Normalized (1580 F)
Annealed (1500 F)
5140 Normalized (1600 F)
Annealed (1525 F)
5150 Normalized (1600 F)
Annealed (1520 F)
5160 Normalized (1575 F)
Annealed (1495 F)
6150 Normalized (1600 F)
Annealed (1500 F)
8620 Normalized (1675 F)
Annealed (1600 F)
8630 Normalized (1600 F)
Annealed (1550 F)
8650 Normalized (1600 F)
Annealed (1465 F)
8740 Normalized (1600 F)
Annealed (1500 F)
9255 Normalized (1650 F)
Annealed (1550 F)
6.5
9310 Normalized (1630 F)
88.0
Annealed (1550 F) 58.0 a All grades are fine-grained except those in the 1100 series that are coarse-grained. Austenitizing temperatures are given in parentheses. Heat-treated specimens were oil-quenched unless otherwise indicated. Source: Bethlehem Steel Corp. and Republic Steel Corp. as published in 1974 DATABOOK issue of the American Society for Metals’ Metal Progress magazine and used with permission.
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