Stud bolts / bolting
ASTM A193 B16 — chemistry & properties
ASTM A193 B16 (Stud bolts / bolting, UNS K14072): chemical composition and mechanical properties. High-temperature bolting to about 595 °C (values for dia ≤ M64 / 2½ in.)
Chemical composition (wt %)
| C | 0.36 – 0.47 |
| Mn | 0.45 – 0.7 |
| P | ≤ 0.035 |
| S | ≤ 0.04 |
| Si | 0.15 – 0.35 |
| Cr | 0.8 – 1.15 |
| Mo | 0.5 – 0.65 |
Mechanical properties
| Tensile strength, min | 860 MPa |
| Yield strength, min | 725 MPa |
| Elongation, min | 18 % |
| Hardness | 321 HBW (35 HRC) |