Hastelloy B (UNS N10001)
Hastelloy B (UNS N10001) is a surface centered cubic lattice. By controlling the minimum value of iron and chromium, the processing brittleness is reduced and the precipitation of Ni4Mo phase between 700-870℃ centigrade is prevented.
Equivalent Grades
Trademarks | GB | JIS | KS | ASTM | UNS | DIN | W.Nr | GOST | BS | NF |
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Hastelloy B | NS3201 | – | – | Hastelloy B | N10001 | S-NiMo30 | 2.4800 | – | – | – |
Product Forms
Wire, Bar, Strip, Sheet, Plate, Tube, Pipe, Pipe Fittings, Forgings
Chemical Composition,%
C | P | S | Mn | Si | Cr | Ni | Co | Mo | V | Fe |
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≤0.05 | ≤0.040 | ≤0.030 | ≤1.00 | ≤1.00 | 4.0~6.0 | Bal | ≤2.5 | 26.0~30.0 | 0.2~0.4 | Bal |
Typical Physical & Mechanical Properties (Annealed)
Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | Elongation,% |
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9.24 | 1330-1380 | ≥745 | ≥325 | ≥40 |
Specifications
Rod, Bar, Wire, Forgings | ASTM B335, ASME SB335 |
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Plate, Sheet, Strip | ASTM B333, ASME SB333 |
Pipe, Tube | ASTM B622, ASTM B619, ASME SB622, ASME SB619 |
Others | ASTM B366, ASTM B564, ASTM B462, ASME SB366, ASME SB564, ASME SB462 |
Features
- Control the iron and chromium elements at the lowest level to prevent the formation of β phase Ni4Mo.
- Excellent corrosion resistance to the reduction environment.
- Excellent medium concentration of sulfuric acid and many non oxidizing acid corrosiveness.
- Good resistance to chloride ion reduction of stress corrosion cracking (SCC).
- Excellent ability to endure a variety of organic acid corrosion.
Applications
Hastelloy B has a wide range of applications in the fields of chemical, petrochemical, energy manufacturing and pollution control, especially in sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid and other industries.