Conversion Tables DBMT STEEL products

1. CONVERSION TABLES Useful Tables Weights - Kg/Metre ROUND BARS: Metric Size mm Size inch 3 0.1181 0.056 3.175 1/8 0.062 4 0.1575 0.099 4.762 0.140 5 0.1969 0.154 6 0.2362 0.222 6.350 1/4 0.247 7.937 0.388 8 0.3150 0.395 9.525 3/8 0.559 10 0.3937 0.617 11.112 0.761 12 0.4724 0.888 12.700 1/2 0.994 13 0.5118 1.042 14 0.5512 1.208 14.287 1.259 15.875 5/8 1.554 16 0.6299 1.578 17 0.6693 1.782 17.462 11/16 1.880 19 0.7480 2.226 19.050 3/4 2.237 20 0.7874 2.466 20.637 13/16 2.626 22 0.8661 2.984 22.225 7/8 3.045 Imperial Equivalent Size inch Imperial Equivalent Size inch 23/4 2.756 2.953 3 3.149 31/4 31/2 3.543 3.937 4 4.134 4.331 41/2 4.724 5 5.118 5.512 5.905 6 6.299 7.086 7.874 8.267 8.661 9.055 9.842 Imperial Equivalent Metric Size mm Metric Size mm kg/m kg/m kg/m 23.812 24 25 25.400 28 28.575 30 31.750 32 33 34.925 35 38.100 40 41.275 44.450 45 47.625 50 50.800 53.975 55 57.150 60 60.325 63.500 65 3.496 3.551 3.853 3.978 4.834 5.034 5.549 6.215 6.313 6.714 7.520 7.553 8.950 9.865 10.504 12.181 12.485 13.984 15.413 15.911 17.962 18.650 20.137 22.195 22.436 24.861 26.049 69.850 70 75 76.200 80 82.55 88.90 90 100 101.60 105 110 114.30 120 127.0 130 140 150 152.40 160 180 200 210 220 230 250 30.081 30.120 34.680 35.799 39.458 42.013 48.726 49.939 61.654 63.642 67.973 74.601 80.547 88.781 99.441 104.19 120.84 138.72 143.19 157.83 199.75 246.61 271.89 298.40 326.14 385.33 15/16 0.9449 0.9843 1 3/16 1.1024 11/8 1.1811 11/4 1.2598 1.2992 13/8 1.3780 11/2 1.5748 15/8 13/4 1.7717 17/8 1.9685 2 21/8 2.1654 21/4 2.3622 23/8 21/2 2.559 5/16 7/16 9/16 HEXAGON BARS: 6.35 7.94 9.52 11.11 12.70 14.29 15.87 0.274 0.428 0.616 0.840 1.096 1.388 1.712 19.05 20.64 20.83 22.22 23.37 25.40 26.99 2.466 2.894 2.948 3.358 3.711 4.386 4.946 28.57 31.75 34.92 38.10 47.24 52.07 5.550 6.853 8.292 9.868 15.166 18.379 11/8 11/4 13/8 11/2 1.860 2.050 1/4 5/16 3/4 13/16 0.820 3/8 7/16 7/8 0.920 1 11/16 1/2 9/16 5/8 To calculate the weights of Bright Steel Bars in kg/metre, use the following formulae: - Hexagons - (size a/f in mm)2 Squares - (size a/f in mm)2 Rounds - (Diameter in mm)2 Flats - Width in mm x thickness in mm x .006798 x .00785 x .006165 x .00785 = weight per metre in kilograms = weight per metre in kilograms = weight per metre in kilograms = weight per metre in kilograms. http://www.dbmtsteel.com/ Page 1 of 3

2. CONVERSION TABLES Approx. Comparison of Tensile Strength* tons/in2 p.s.i kg/mm2 N/mm2 or MPa N/mm2 or MPa tons/in2 p.s.i kg/mm2 16 20 23 26 29 30 32 33 35 36 39 40 42 45 46 49 50 52 55 58 60 62 65 68 70 71 75 78 37,000 45,000 51,500 58,000 65,000 67,000 72,000 74,000 78,500 81,000 87,500 90,000 94,000 101,000 103,000 110,333 112,000 116,500 123,000 130,000 134,500 139,000 146,000 153,000 157,000 159,000 168,000 175,000 25.8 31.6 36.5 40.8 45.7 47.1 50.6 52.0 55.5 57.0 61.8 63.3 66.0 71.0 72.5 77.3 78.75 82.0 86.5 91.4 94.5 97.7 102.6 107.5 110.4 111.8 118.0 123.0 250 309 355 402 448 463 494 510 541 556 602 618 649 695 710 757 772 803 849 896 927 957.5 1004 1050 1081 1097 1158 1205 80 81 84 85 88 90 91 94 95 97 100 104 105 107 110 113 115 117 120 123 125 126 130 133 135 136 140 180,000 182,000 188,000 190,000 197,000 202,000 204,000 210,000 213,000 217,000 224,000 233,000 235,000 240,000 246,500 253,000 257,600 262,000 269,000 275,500 280,000 282,500 291,000 298,000 302,400 304,500 313,600 126.0 128.0 132.2 133.6 138.5 142.0 143.4 148.4 149.7 152.6 157.5 163.8 165.4 168.5 173.2 178.0 181.1 184.3 189.0 194.0 197.0 198.0 205.0 209.0 213.0 214.0 221.0 1236 1251 1297 1313 1359 1390 1405 1452 1467 1498 1544 1606 1622 1653 1699 1745 1776 1807 1853 1900 1931 1946 2000 2054 2085 2010 2162 *A Guide Only Metric to Gauge Gauge Number 9 10 12 14 16 18 20 22 24 26 28 Birmingham Gauge (mm) 3.50 3.00 2.50 2.00 1.60 1.20 1.00 0.80 0.60 0.50 0.40 Galv. Sheet Gauge (B.M.T.) 3.45 2.95 2.45 1.95 1.55 1.15 0.95 0.75 0.55 0.45 0.35 *Note: Mild Steel only http://www.dbmtsteel.com/ Page 2 of 3

3. CONVERSION TABLES Approx. Equivalent Hardness Numbers and Tensile Strength for Brinell Hardness for Steel* Rockwell Hardness Rockwell Hardness Diamond Pyramid Diamond Pyramid Brinell Hardness Brinell Hardness Brale Penetrator Brale Penetrator B-Scale 100kg B-Scale 100kg No. 10mm ball No. 10mm ball Hardness No. Hardness No. 3000kg Load 3000kg Load 150kg Load 150kg Load Load 1/16” Load 1/16” No. C-Scale No. C-Scale dia. Ball dia. Ball Strength Strength Tensile Tensile in MPa in MPa - - - 940 840 780 737 697 667 640 615 591 569 547 528 508 491 472 455 440 424 410 396 383 372 360 349 339 328 319 309 301 292 284 276 - - - - - - - - - - - - - - - - - - - - - 68.0 65.3 63.3 61.7 60.0 58.7 57.3 56.0 54.7 53.5 52.1 51.0 49.6 48.5 47.1 45.7 44.5 43.1 41.8 40.4 39.1 37.9 36.6 35.5 34.3 33.1 32.1 30.9 29.9 28.8 27.6 26.6 - - - - - 255 248 241 235 229 223 217 212 207 201 197 192 187 183 179 174 170 167 163 159 156 152 149 146 143 140 137 134 131 128 126 269 261 253 247 241 234 228 222 218 212 207 202 196 192 188 182 178 175 171 167 163 159 156 153 150 146 143 140 137 134 132 (102.0) (101.0) 100.0 99.0 98.2 97.3 96.4 95.5 94.6 93.8 92.9 91.8 90.7 90.0 89.0 87.8 86.8 86.0 85.0 83.8 82.9 81.7 80.8 79.8 78.7 77.6 76.4 75.2 74.0 72.7 72.0 25.4 24.2 22.8 21.7 20.5 (18.8) (17.5) (16.0) (15.2) (13.8) (12.7) (11.5) (10.0) (9.0) (8.0) (6.4) (5.4) (4.4) (3.3) (2.1) (0.9) - - - - - - - - - - 849 826 803 783 764 742 722 706 691 672 658 642 625 612 599 583 570 560 546 535 526 514 504 495 485 475 464 455 446 437 431 682 653 627 601 578 555 534 514 495 477 461 444 429 415 401 388 375 363 352 341 331 321 311 302 293 285 277 269 262 2392 2261 2158 2058 1962 1893 1817 1738 1665 1586 1513 1461 1391 1330 1271 1220 1175 1133 1097 1062 1029 1001 975 949 923 896 873 (110.0) (109.0) (108.5) (108.0) (107.5) (107.0) (106.0) (105.5) (104.5) (104.0) (103.0) *A Guide Only http://www.dbmtsteel.com/ Page 3 of 3