| AISI Type 216 | |
 | |
| Category | Steel |
| Class | Stainless steel |
| Type | Austenitic nonstandard |
| Common Names | Chromium-Manganese-Nickel steel |
| Designations | United States: ASTM A240 , SAE 30216 |
| Composition | |
| |
| Element | Weight % |
| C | 0.08 |
| Mn | 7.5-9.0 |
| Si | 1.00 |
| Cr | 17.5-22.0 |
| Ni | 5.0-7.0 |
| P | 0.045 |
| S | 0.03 |
| Mo | 2.0-3.0 |
| N | 0.25-0.50 |
| Mechanical Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Density (×1000 kg/m3) | 7.7-8.03 | 25 | |
| Poisson's Ratio | 0.27-0.30 | 25 | |
| Elastic Modulus (GPa) | 190-210 | 25 | |
| Tensile Strength (Mpa) | 620 | 25 | annealed (sheet, strip) more |
| Yield Strength (Mpa) | 345 | ||
| Elongation (%) | 40 | ||
| Reduction in Area (%) | |||
| Hardness (HRB) | 100 (max) | 25 | annealed (sheet, strip) more |
