Weight, pressure rating (ASME B31.3), wall thickness, hydrotest, and bid EMD calculators. Accurate ASTM density values for SS, Duplex, Inconel, Monel, Hastelloy, Titanium, Cu-Ni, and more.
Industry-standard density values used in our calculations. Each grade verified against current ASTM/ASME specifications.
| Grade | UNS | Density (g/cm³) | kg/m³ | ASTM Spec |
|---|---|---|---|---|
| SS 304/304L | S30400/S30403 | 8.00 | 8000 | A312/A240 |
| SS 316/316L | S31600/S31603 | 7.99 | 7990 | A312/A240 |
| SS 321 | S32100 | 7.92 | 7920 | A312/A240 |
| SS 310S | S31008 | 7.86 | 7860 | A312/A240 |
| SS 904L | N08904 | 8.00 | 8000 | B677 |
| Duplex 2205 | S31803 | 7.80 | 7800 | A790/A240 |
| Super Duplex 2507 | S32750 | 7.79 | 7790 | A790/A240 |
| Inconel 600 | N06600 | 8.47 | 8470 | B167/B168 |
| Inconel 625 | N06625 | 8.44 | 8440 | B444/B443 |
| Inconel 718 | N07718 | 8.19 | 8190 | B637/B670 |
| Inconel 825 | N08825 | 8.14 | 8140 | B423 |
| Monel 400 | N04400 | 8.83 | 8830 | B164/B127 |
| Hastelloy C276 | N10276 | 8.89 | 8890 | B622/B575 |
| Hastelloy C22 | N06022 | 8.69 | 8690 | B622/B575 |
| Titanium Gr.2 | R50400 | 4.51 | 4510 | B861/B265 |
| Titanium Gr.5 (6Al-4V) | R56400 | 4.43 | 4430 | B861/B265 |
| Alloy P91 | K90901 | 7.78 | 7780 | A335 |
| Cupro-Nickel 70/30 | C71500 | 8.95 | 8950 | B466 |
| Aluminium 6061 | A96061 | 2.70 | 2700 | B221 |