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Hastelloy B-3 (UNS N10675) supplier — ASTM B574/B619/B622. Improved thermal stability vs B-2. Resistant to HCl, H2SO4, acetic acid. Chemical reactors, heat exchangers. ISO certified.
Hangbo Alloy Group offers a diverse range of materials, including round bars, steel plates, strips, seamless pipes, forged products, and wire. Below is a detailed overview of HASTELLOY B-3:
Detailed Introduction to Hastelloy B-3
Hastelloy B-3 is a nickel-molybdenum alloy engineered to offer enhanced resistance to hydrochloric acid and other corrosive environments. This alloy is an improvement over Hastelloy B-2, featuring better thermal stability and increased resistance to pitting and stress corrosion cracking. It performs excellently in reducing conditions and is especially effective in handling non-oxidizing acids.
The alloy's outstanding performance makes it a preferred choice in various chemical processing applications. The modifications in the composition from B-2 to B-3 help mitigate the risks associated with temperature fluctuations and corrosive conditions.
Equivalent Grades by Country:
•ASTM: UNS N10675
•DIN: NiMo28 W.Nr.2.4600
•GB/T: NS3303
International Standards for Hastelloy B-3 Products
The following table outlines the applicable standards for Hastelloy B-3 in various forms:
| Product Form | ASTM Standard |
|---|---|
| Plate,Sheet&Strip | ASTM B333 |
| Round Bar | ASTM B335 |
| Seamless Pipe&Tube | ASTM B622 |
| Welded Pipe&Tube | ASTM B619,ASTM B626 |
| Forging | ASTM B564,ASTM B462 |
| Fittings | ASTM B366 |
Chemical Composition of Hastelloy B-3
The chemical composition of Hastelloy B-3 is summarized in the following table:
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | ≥ 65.0 |
| Molybdenum (Mo) | 27.0 - 32.0 |
| Iron (Fe) | 1.0 - 3.0 |
| Chromium (Cr) | 1.0 - 3.0 |
| Carbon (C) | ≤ 0.01 |
| Silicon (Si) | ≤ 0.10 |
| Manganese (Mn) | ≤ 3.00 |
| Cobalt(Co) | ≤ 3.00 |
| Alumiun(Al) | ≤ 0.50 |
| Titanium(Ti) | ≤ 0.20 |
| Tungsten(W) | ≤ 3.00 |
| Copper(Cu) | ≤ 0.20 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.010 |
| Vanadium(V) | ≤ 0.20 |
| Tantalum(Ta) | ≤ 0.20 |
| Zirconium(Zr) | ≤ 0.10 |
Physical Properties of Hastelloy B-3
Key physical properties of Hastelloy B-3 are outlined in the table below:
| Property | Value |
|---|---|
| Density | 8.89 g/cm³ |
| Melting Point | 1370 - 1410 °C |
Material Characteristics
Hastelloy B-3 is characterized by several key properties:
•Corrosion Resistance: Superior resistance to chlorides and non-oxidizing acids, particularly hydrochloric acid.
•Thermal Stability: Enhanced stability under high-temperature conditions compared to its predecessor, Hastelloy B-2.
•Weldability: Easily welded using standard practices, allowing for versatile fabrication options.
•Versatility: Effective in both continuous and batch processes in corrosive environments.
Applications of Hastelloy B-3
Hastelloy B-3 is utilized across various industries, including:
•Chemical Processing: Equipment that handles corrosive chemicals in production environments.
•Oil and Gas: Components exposed to harsh refining processes and environments.
•Pharmaceuticals: Systems and equipment used in processes that require resistance to corrosive media.
•Environmental: Applications in waste treatment facilities dealing with corrosive effluents.
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Mechanical Properties of Hastelloy B-3
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 800 |
| Yield Strength (MPa) | 375 |
| Elongation (%) | 48 |
| Hardness (HRB) | 90-100 |
Frequently Asked Questions about Hastelloy B-3
What is Hastelloy B-3 used for?
Hastelloy B-3 (UNS N10675) is primarily used in hydrochloric acid handling, sulfuric acid production, acetic acid manufacturing, pharmaceutical processing equipment. Its excellent corrosion resistance and high-temperature strength make it ideal for these demanding applications.
What is the temperature range of Hastelloy B-3?
Hastelloy B-3 can operate at temperatures up to 1650F (900C) in reducing environments, depending on the specific application and environmental conditions.
What are the key properties of Hastelloy B-3?
Hastelloy B-3 (UNS N10675) exhibits excellent corrosion resistance, high-temperature strength, good fabricability, and outstanding mechanical properties. It meets standards including ASTM B333, ASME SB333.
What is the difference between Hastelloy B-3 and other nickel alloys?
Hastelloy B-3 has a unique chemical composition (see the composition table above) that gives it specific advantages in certain environments. The combination of elements provides optimal performance for its target applications in hydrochloric acid handling and related industries.
Contact Shanghai Hangbo Alloy Group
| Channel | Details |
|---|---|
| Website | www.nickel-alloy.com |
| specialalloy001@gmail.com | |
| hangbo@nickel-alloy.com | |
| WhatsApp / Phone | +86 13611656360 |
| Skype | +86 13611656360 |
| Address | Shanghai, China |
