Hastelloy B (UNS N10001 / W.Nr. 2.4800)
Hastelloy B (UNS N10001 / W.Nr. 2.4800) is a nickel-molybdenum based alloy that is highly resistant to corrosion in reducing environments such as hydrochloric acid and performs well under high temperature conditions.
Equivalent Grades
Trademark | GB | GOST | ASTM | UNS | DIN | W.Nr. | NF | BS | JIS | SS |
Hastelloy B | NS3201 | – | Hastelloy B | N10001 | S-NiMo30 | 2.4800 | – | – | – | – |
Chemical Composition, %
Alloy | C | Si | Mn | P | S | Cr | Ni | Mo | V | Fe |
Hastelloy B | ≤0.05 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.03 | ≤1.0 | Bal | 26.0-30.0 | 0.2-0.4 | 4.0-6.0 |
Typical Physical and Mechanical Properties (RT, Solution annealed)
Density, g/cm3 | Melting Point, ℃ | Tensile Strength, MPa | Yield Strength, MPa | ELongation, % | Hardness, HB |
9.22 | 1370-1418 | 885 | 400 | 58 | – |
Available Products and Specifications
Rod, Bar, Wire and Forgings | ASTM B335, ASME SB335, ASTM B366, ASME SB366, ASTM B564, ASME SB564, ASTM B472, ASME SB472 |
Plate, Sheet and Strip | ASTM B333, ASME SB333 |
Pipe and Tube | ASTM B622, ASME SB622, ASTM B619, ASME SB619 |
Welding Product | AWS A5.11 (ENiMo-10), AWS A5.14 (ERNiMo-10) |
Others | ASTM B366, ASME SB366, ASTM B564, ASME SB564 |
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.