| AISI Type 633 | |
 | |
| Category | Steel |
| Class | Stainless steel |
| Type | Precipitation-hardening nonstandard |
| Common Names | Chromium steel |
| Designations | United States: AMS 5546 , AMS 5548 , AMS 5554 , AMS 5745 , AMS 5774 , AMS 5775 , ASTM A579 (grade 61) , ASTM A693 , SAE J467 (AM-350) , UNS S35000 |
| Composition | |
| |
| Element | Weight % |
| C | 0.07-0.11 |
| Mn | 0.5-1.25 |
| Si | 0.50 |
| Cr | 16.0-17.0 |
| Ni | 4.0-5.0 |
| P | 0.04 |
| S | 0.03 |
| Mo | 2.5-3.25 |
| N | 0.07-0.13 |
| 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) | 1105 | 25 | annealed more |
| Yield Strength (Mpa) | 415 | ||
| Elongation (%) | 30 | ||
| Reduction in Area (%) | |||
| Hardness (HRB) | 95 | 25 | annealed more |
| Thermal Properties | |
| |
| Properties | Conditions | ||
| T (°C) | Treatment | ||
| Thermal Expansion (10-6/ºC) | 11.3 | 20-100 more | |
| Thermal Conductivity (W/m-K) | 14.5 | 38 more | |
| Electric Properties | |
| |
