Hastelloy B-3, also known as Alloy B-3, with the UNS designation N10675 and W. Nr. 2.4600, is a nickel-molybdenum alloy known for its excellent resistance to hydrochloric acid at all concentrations and temperatures. It also offers exceptional resistance to other reducing chemicals such as sulfuric, acetic, and phosphoric acids. Hastelloy B-3 is particularly well-suited for equipment handling reducing chemical environments. This alloy has a high resistance to stress corrosion cracking and provides good resistance to pitting and corrosion fatigue. It is commonly used in chemical processing, pollution control, and pharmaceutical industries, as well as in applications where resistance to corrosion in harsh environments is essential.
| Nickel (Ni) | 65% min. |
| Molybdenum (Mo) | 27-32% |
| Nickel+Molybdenum (Ni+Mo) | 94-98% |
| Copper (Gu) | 0.2% max. |
| Chromium (Cr) | 1-3% |
| Aluminum (Al) | 0.5% max. |
| Titanium (Ti) | 0.2% max. |
| Iron (Fe) | 1-3% |
| Cobalt (Co) | 3% max. |
| Tungsten (W) | 3.0% max. |
| Vanadium (V) | 0.2% max. |
| Manganese (Mn) | 3.0% max. |
| Silicon (Si) | 0.10% max. |
| Carbon (C) | 0.01% max. |
| Phosphorus (P) | 0.03% max. |
| Sulfur (S) | 0.01% max. |
| Columbium (Nb) | 0.2% max. |
| Tantalum(Ta) | 0.2% max. |
| Zirconium(Zr) | 0.1% max |
| Density | 9.22 g/cm³ |
| Melting Point | 1330-1380°C (2426-2526°F) |
| Specific Heat | 418 J/kg·K |
| Electrical Resistivity | 1.09 μΩ·m |
| Thermal Conductivity | 10.8 W/m·K |
| Coefficient of Thermal Expansion | 11.1 x 10^-6 /°C (20-100°C) |
|
Temperature |
Yield strength |
Tensile strength |
Elongation |
|||
|
0.2% Offset |
Rm |
A |
||||
|
°C |
°F |
MPa |
Ksi |
MPa |
ksi |
% |
|
20 |
68 |
283 |
41 |
690 |
100 |
50 |
| Bar and Rod | Seamless Pipe and Tube | Welded Pipe and Tube | Plate, Sheet, and Strip | Forgings | Fittings |
| ASTM B 335/ASME SB 335 | ASTM B 622 / ASME SB 622 | ASTM B 626 /ASME SB 626, B 619/ SB 619 | ASTM B 333/ASME SB 333 | ASTM B 564/ASME SB 564, B 462/ SB 462, B 472/ SB 472 | ASTM B 366/ASME SB 366, B 462/ SB 462 |
Standard product forms of Hastelloy B-3/Alloy B-3/UNS N10675/W. Nr. 2.4600 are pipe, tube, sheet, strip, plate, round bar, flat bar, forging stock, hexagon and wire. The products are available in a wide variety of sizes. Please contact us at [email protected] for full information.
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