Hastelloy B3(UNS N10675 / W.Nr. 2.4600) is a nickel-based alloy with excellent corrosion resistance and resistance to stress corrosion cracking. Its main components include nickel, molybdenum, iron, chromium and other elements. Which is widely used in chemical industry, aerospace, marine engineering and other fields.
Hastelloy B3 seamless pipe exhibits extremely high resistance to pure hydrochloric, hydrobromic, and sulfuric acids. Furthermore, it has greatly improved structural stability compared with previous B-type alloys, leading to fewer concerns during welding, fabrication, and service.
Chemical Composition
| Element | Content (%) |
| Nickel, Ni | 65 min |
| Molybdenum, Mo | 27-32 |
| Cobalt, Co | 3 max |
| Manganese, Mn | 3 max |
| Tungsten, W | 3 max |
| Iron, Fe | 1-3 |
| Chromium, Cr | 1-3 |
| Aluminum, Al | 0.5 max |
| Copper, Cu | 0.2 max |
| Niobium, Nb | 0.2 max |
| Tantalum, Ta | 0.2 max |
| Titanium, Ti | 0.2 max |
| Vanadium, V | 0.2 max |
| Zirconium, Zr | 0.1 max |
| Phosphorus, P | 0.03 max |
| Sulfur, S | 0.01 max |
| Carbon, C | 0.01 max |
Physical Properties
| Density | g/cm3 | 9.22 |
| lb/in.3 | 0.333 |
| Melting Range | °F | 2500 - 2585 |
| °C | 1370 - 1418 |
Mechanical Properties
| Condition & Size | Tensile Strength | Yield Strength (0.2% Offset) | Elongation | Reduction of Area | Hardness |
| MPa, min | MPa, min | %, min | %, min | Rockwell |
| All | 760 | 350 | 40 | ... | ... |
*Mechanical Properties According to ASTM B622