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# Machining Material Density Chart – Density Unit Conversion Table

2024.6.13

The density of a material is critical in CNC machining and engineering, to save you time for searching and converting densities of different materials, below we showcase a material density chart with four units.

## Why Is Density Important in Engineering and Machining?

– Material selection: density affects the selection of material in engineering, which is crucial for ensuring the performance, safety, and cost-effectiveness of a product or component.
– Structural integrity: denser materials are generally stronger and more rigid than less dense materials, making them more suitable for applications that require high strength and stiffness, such as aerospace and automotive components.
– Machining parameters: density affects cutting speeds, feeds, and depths of cut.
– Thermal properties: density is a factor that influences the thermal properties of a material, such as its specific heat capacity and thermal conductivity. These properties are important for applications that involve heat transfer, such as cooling systems and electronic components.
– Cost: generally, denser materials are more expensive than less dense materials, so selecting a material with the appropriate density is important for balancing performance and cost.
– Safety: materials with a higher density may be more prone to cracking or shattering under impact, making them less suitable for applications that involve high-impact forces, such as safety equipment and protective gear.

## How to Convert Density Units?

Here we list different ways of density conversion & calculation.
– g/cm3 to kg/m3: multiply it by 1000
– g/cm3 to lb/in3: multiply it by 0.036127
– g/cm3 to lb/ft3: multiply it by 62.427961
– lb/ft3 to lb/in3: multiply it by 0.00057870368028786
– lb/ft3 to kg/m3: multiply it by 16.01846
– lb/in3 to kg/m3: multiply it by 27,679.90

## Machining Material Density Chart – Density Unit Conversion Table

 Metal Material Density Table Types of Materials Density – g/cm3 Density – kg/m3 Density – lb/in3 Density – lb/ft3 Carbon Steel 7.81 7,810 0.282 487.29 Cast iron, gray 7.20 7,200 0.260 448.28 Mild Steel 7.85 7,850 0.284 490 Medium carbon steel 7.83 7,830 0.283 489 High carbon steel 7.81 7,810 0.282 488 Iron 7.87 7,870 0.284 491 Stainless steel 7.7-8.0 7,700-8,000 0.278-0.289 481-499 Aluminum 2.70 2,700 0.098 169 Copper 8.00 8,000 0.323 557.5 Brass 8.50-8.80 8,500-8,800 0.307-0.318 531-499 Gold 19.30 19,302 0.697 1205 Silver 10.49 10,490 0.379 655 Lead 11.34 11,340 0.410 708 Nickel 8.90 8,902 0.322 556 Chromium 7.19 7,190 0.260 449 Antimony 6.70 6,697 0.242 418 Arsenic 5.78 5,778 0.209 361 Barium 3.5 3,500 0.126 218.5 Beryllium 1.85 1,848 0.067 115 Bismuth 9.81 9,808 0.354 612 Boron 2.45 2,450 0.089 153 Brass 7.75 7,750 0.309 673.92 Cadmium 8.64 8,642 0.312 540 Calcium 1.55 1,550 0.056 97 Carbon (graphite) 2.25 2,250 0.081 140.5 Cerium 8.16 8,160 0.295 509 Cesium 1.90 1,903 0.069 119 Cobalt 8.83 8,832 0.319 551 Dysprosium 8.55 8,551 0.309 534 Erbium 9.07 9,066 0.328 566 Europium 5.24 5,244 0.189 327 Gadolinium 7.90 7,901 0.285 493 Gallium 5.91 5,907 0.213 369 Germanium 5.32 5,323 0.192 332 Hafnium 13.31 13,310 0.481 831 Holmium 8.795 8,795 0.318 549 Inconel 8.42 8,420 0.307 639.36 Indium 7.3 7,300 0.264 456 Iridium 22.562 22,562 0.815 1409 Lanthanum 6.15 6,146 0.222 384 Lithium 0.533 533 0.019 33.3 Lutetium 9.84 9,841 0.356 614 Magnesium 1.74 1,738 0.063 108.5 Manganese 7.43 7,430 0.268 464 Mercury 13.55 13,546 0.489 846 Molybdenum 10.22 10,220 0.369 638 Neodymium 7.01 7,008 0.253 438 Niobium 8.57 8,570 0.310 535 Osmium 22.587 22,587 0.816 1410 Palladium 12.02 12,020 0.434 750 Phosphorus (white) 1.83 1,830 0.066 114 Platinum 21.45 21,450 0.775 1339 Plutonium 19.86 19,860 0.717 1240 Potassium 0.855 855 0.031 53 Praseodymium 6.773 6,773 0.245 423 Promethium 7.264 7,264 0.262 453 Protactinium 15.43 15,430 0.557 963 Rhenium 21.02 21,020 0.759 1312 Rhodium 12.41 12,410 0.448 775 Rubidium 1.532 1,532 0.055 96 Ruthenium 12.45 12,450 0.450 777 Samarium 7.52 7,520 0.272 469.5 Scandium 2.99 2,989 0.108 187 Selenium 4.81 4,809 0.174 300 Silicon 2.33 2,329 0.084 145 Sodium 0.97 967 0.035 60 Stainless steel 7.75 7750 0.280 483.84 Strontium 2.6 2,600 0.094 162 Tantalum 16.6 16,600 0.600 1036 Technetium 11.5 11,500 0.415 718 Tellurium 6.24 6,237 0.225 389 Terbium 8.23 8,230 0.297 514 Thallium 11.87 11,872 0.429 741 Thorium 11.8 11,800 0.426 737 Thulium 9.32 9,321 0.337 582 Tin 5.765 5,765 0.208 360 Titanium 4.51 4,507 0.163 281 Tungsten 19.25 19,254 0.696 1202 Uranium 19.05 19,050 0.688 1189 Vanadium 6.16 6,160 0.223 385 Ytterbium 6.90 6,903 0.249 431 Yttrium 4.47 4,469 0.161 279 Zinc 7.13 7,133 0.258 445 Zirconium 6.51 6,505 0.235 406