Alloy 20 fasteners are crafted from a strong alloy of nickel, chromium, and molybdenum, making them highly durable and resistant to corrosion. These fasteners are ideal for high-temperature settings or acidic environments. The inclusion of copper enhances their resistance to stress cracking and harsh chemicals like hydrochloric and sulfuric acids, making Carpenter 20 fasteners a reliable choice for industrial applications in acidic conditions.
UN08020 Fasteners come in various shapes and sizes, including bolts, screws, nuts, washers, and studs. They are widely used in industries for tasks like joining components, sealing against gas or liquid pressure, reducing vibration, and maintaining structural integrity. Their adaptability and reliability make them essential for demanding industrial applications.
Additionally, Alloy 20Cb3 Fasteners are valuable in areas requiring electrical conductivity, such as electronics or circuit board assembly. Whether used as Alloy 20 Nuts, Washers, or other types, these fasteners offer superior strength and performance compared to stainless steel or brass. Their versatility ensures dependable solutions for various industrial challenges.
Standard Alloy-20 Fasteners specifications as per Fasteners manufacturers.
| Material | Alloy 20 |
| Specification | IS/BS/ASTM |
| Standards | ASTM B366 |
| Size | 3 mm to 200 mm |
| Length | M02 to M30 |
Each Alloy-20 Fasteners have unique design each of them are used in specific applications. Some of them are mentioned below.
Note that this chart includes only some of the most common sizes of Alloy-20 Bolt. There are many other sizes available as well, and some applications may require custom sizes or special configurations.
| Alloy-20 Fasteners | Element (% By Mass) |
|---|---|
| Chromium (Cr) | 19.0–21.0% |
| Nickel (Ni) | 32.0–38.0% |
| Molybdenum (Mo) | 2.0–3.0% |
| Copper (Cu) | 3.0–4.0% |
| Iron (Fe) | 27.0–32.0% |
| Manganese (Mn) | ≤2.00% |
| Silicon (Si) | ≤1.00% |
| Carbon (C) | ≤0.07% |
| Phosphorus (P) | ≤0.045% |
| Sulfur (S) | ≤0.035% |
| Niobium (Nb) + Tantalum (Ta) | 8×C min – 1.00% max |
| Density | 8.05 g/cm³ |
| Melting Point | 1350-1440°C (2460-2620°F) |
| Tensile Strength | 80 ksi (550 MPa) |
| Yield Strength (0.2%Offset) | 35 ksi (240 MPa) |
| Elongation | 30% (in 2 inches) |
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