Hastelloy B-3 (UNS N10675) Corrosion-resistant alloy
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Features
- Hastelloy B-3 is a nickel-molybdenum alloy giving it excellent resistance to pitting, corrosion, and stress-corrosion cracking
- It can also endure sulfuric, acetic, formic, and phosphoric acids, as well as other non-oxidizing media.
- Alloy B-3 features thermal stability superior to that of alloy B-2
- This alloy uses minimal amounts of Fe and Cr to avoid precipitation between 700~800℃, lowering the chance of brittleness.
Product Form
| Product | ASTM Standard |
| Sheet/ Coil | B335 |
| Plate | B333 |
| Seamless Steel Tube | B622 |
| Welded Steel Pipe | B619 |
| Tube | B626 |
| Flange | B564 |
| Forging Part | B564 |
Chemical Analysis
| % | Ni | Cr | Mo | Fe | W | Co | C | Mn | Si | V | P | S | Cu | AL | Ti | Nb | Ta | Zr | Ni Mo | |
| Hastelloy B-3 | Min. | ≥65 | 1 | 27 | 1 | 94 | ||||||||||||||
| Max. | 3 | 32 | 3 | 3 | 3 | 0.01 | 3 | 1.0 | 0.2 | 0.03 | 0.1 | 0.2 | 0.5 | 0.2 | 0.2 | 0.02 | 0. 1 | 98 |
Physical Properties
| Density | 9.24G/CM3 |
| Melting Range | 1370-1418℃ |
The Min. Mechanical Properties under Room Temperature
| Alloy | Tensile Strength | Yield Strength | Elongation |
| RM N/MM2 | RP0.2 N/MM2 | A5% | |
| Annealing | 760 | 350 | 40 |
- Applications
- Chemical processes especially for sulfuric acid, hydrochloric acid, phosphoric acid and acetic acid
- Mechanical components in reducing environments
- Vacuum furnaces
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