Hastelloy B2 Round Bar ASTM B574 UNS N10665 Round Bar Rod
We are professional manufacturer of Hastelloy B2 Round Bar ASTM B574 UNS N10665 Round Bar Rod in China.
What is Hastelloy B2 Round Bar?
Hastelloy B2 is a nickel-molybdenum alloy with exceptional resistance to reducing acids and chloride-induced stress corrosion cracking. The round bar form provides a machinable, durable format for fabricating valves, pumps, reactors, and other components exposed to extreme chemical and thermal stress.
- Nickel (65-70%): Base element for corrosion resistance and thermal stability.
- Molybdenum (26-30%): Enhances resistance to hydrochloric and sulfuric acids.
- Iron (2-6%): Balances mechanical properties.
EQUIVALENT GRADES OF Hastelloy B2/B3 PLATES
STANDARD UNS WERKSTOFF NR. Alloy B2 N10276 2.4617
Chemical Composition of Hastelloy B2
| Grade | Ni | Cr | Mo | Fe | C | Si | Co | Mn | P | S |
| UNS N10665 | Balance | ≤1.00 | 26.00-30.00 | ≤2.00 | ≤0.02 | ≤0.10 | ≤1.00 | ≤1.00 | 0.040 | 0.030 |
Mechanical Properties of Hastelloy B2
| Grade | Tensile Strength | Yield Strength | Elongation (%) |
| N10665 | ≥110(760) | ≥51(350) | ≥40 |
Standard Specification for Low-Carbon Nickel-Chromium-Molybdenum, Low-Carbon Nickel-Molybdenum-Chromium, Low-Carbon Nickel-Molybdenum-Chromium-Tantalum, Low-Carbon Nickel-Chromium-Molybdenum-Copper, and Low-Carbon Nickel-Chromium-Molybdenum-Tungsten
This specification covers rod of low-carbon nickel-chromium- molybdenum alloys (UNS N10276, N06022, N06035, N06455, N06058, and N06059), low-carbon nickel-molybdenum- chromium-tantalum (UNS N06210), low-carbon nickel-chromium-molybdenum-copper alloy (UNS N06200), and low-carbon nickel-chromium-molybdenum-tungsten (UNS N06686), for use in general corrosive service.
Applications of Hastelloy B2 Round Bar
- Chemical Processing: Reactors, distillation columns, and piping systems.
- Pharmaceuticals: Equipment for acid handling and synthesis.
- Pickling Plants: Components exposed to hydrochloric acid baths.
- Waste Treatment: Scrubbers, heat exchangers, and ducting in corrosive gas environments.
- Sulfuric Acid Production: Pump shafts, valve trim, and agitators.
Why get Hastelloy B2 Round Bar from Us?
As a trusted Hastelloy B2 Round Bar supplier, we provide
- Certified Quality: Full traceability with EN 10204 3.1/3.2 certifications.
- Global delivery: Fast shipping
The Difference Between Hastelloy B2 & Hastelloy B3
Hastelloy B2 and Hastelloy B3 are both nickel-based alloys known for their excellent resistance to corrosion, particularly in aggressive chemical environments. While they share similarities, there are some key differences between these two alloys.The difference between Hastelloy B2 & Hastelloy B3 is of importance to take into consideration. The thing about Alloy B2 and Hastelloy B3 is that both of these material give good resistance to non-oxidizing acids like sulfuric acid and hydrochloric acid. But the primary difference between both these types of material is that Hastelloy B-3 offer fabrication characteristics that are improved and they also offer enhanced thermal stability. Also, as compared to Hastelloy UNS N10665, Alloy B3 have greater structural stability and this in turn leads to lesser concerns during service, fabrication and welding.
CHEMICAL COMPOSITION OF Hastelloy B2/B3 PLATES
| Grade | Ni | C | Mo | Mn | Si | Fe | P | S | Co | Cr | Ti |
| Alloy B2 | Balance | 0.02 max | 26 – 30 | 1.00 max | 0.1 max | 2.0 max | 0.04 max | 0.03 max | 1.0 max | 1.0 max | – |
| Alloy B3 | 65.0 min | 0.01 max | 28.5 | 3.0 max | 0.10 max | 15 | – | 0.03 max | 0.20 max | 1.5max | 0.2 max |
Hastelloy B2 is a corrosion-resistant nickel-molybdenum alloy, known for its excellent resistance to hydrochloric acid and other aggressive chemicals.
