Manufactures & Suppliers of Pipes, Tubes, Flanges, Pipe Fitting & Fasteners
ASTM A193 Gr. B16 Fasteners
ASTM A193 Grade B16 fasteners are designed for use in high-temperature and high-pressure applications, particularly in the petrochemical, oil, and gas industries. Manufactured from chromium-molybdenum alloy steel, these fasteners are engineered to provide exceptional strength and durability in demanding environments. The unique chemical composition of Grade B16 ensures that the fasteners can withstand extreme conditions while maintaining their mechanical integrity.
ASTM A193 Gr .B16 Stud Bolt, ASTM A193 Gr .B16 Bolt, ASTM A193 Gr .B16 Nuts, ASTM A193 Gr. B16 Fasteners Supplier and Manufacturer in Mumbai, India
One of the key attributes of ASTM A193 Grade B16 fasteners is their ability to perform reliably at elevated temperatures, often exceeding 1000°F (540°C). This makes them ideal for applications such as pressure vessels, flanges, valves, and piping systems, where the need for robust fastening solutions is critical. The fasteners are often subjected to stringent quality control measures to ensure they meet the required specifications, including tensile strength and yield strength.
In addition to their high strength, Grade B16 fasteners also offer excellent resistance to corrosion and oxidation. This resistance is particularly important in harsh environments where exposure to chemicals and moisture is common. The heat treatment processes applied during manufacturing enhance their toughness and fatigue resistance, making them suitable for cyclic loading applications.
ASTM A193 Gr. B16 Fasteners Dimension Chart
| Diameter (inches) | Thread Pitch (inches) | Length (inches) | Weight per 100 pcs (lbs) |
|---|---|---|---|
| 1/4 | 20 | 1 - 12 | 5.0 |
| 5/16 | 18 | 1 - 12 | 7.8 |
| 3/8 | 16 | 1 - 12 | 12.2 |
| 7/16 | 14 | 1 - 12 | 17.4 |
| 1/2 | 13 | 1 - 12 | 24.5 |
| 5/8 | 11 | 1 - 12 | 35.2 |
| 3/4 | 10 | 1 - 12 | 49.5 |
| 7/8 | 9 | 1 - 12 | 67.2 |
| 1 | 8 | 1 - 12 | 88.4 |
| 1-1/4 | 8 | 1 - 12 | 135.0 |
| 1-1/2 | 8 | 1 - 12 | 188.0 |
ASTM A193 Gr. B16 Fasteners Chemical Composition
| Element | Minimum (%) | Maximum (%) |
|---|---|---|
| Carbon (C) | 0.28 | 0.33 |
| Manganese (Mn) | 0.40 | 0.60 |
| Phosphorus (P) | — | 0.035 |
| Sulfur (S) | — | 0.040 |
| Chromium (Cr) | 1.00 | 1.10 |
| Molybdenum (Mo) | 0.15 | 0.25 |
| Silicon (Si) | 0.15 | 0.40 |
| Nickel (Ni) | — | 0.40 |
| Copper (Cu) | — | 0.25 |
| Vanadium (V) | — | 0.10 |
