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Hastelloy C-22 (UNS N06022) supplier — ASTM B574/B575/B619/B622. Superior pitting and crevice corrosion resistance in oxidizing and reducing media. FGD systems, chemical plants.
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 C-22:
Detailed Introduction to Hastelloy C-22
Hastelloy C-22 is a versatile nickel-chromium-molybdenum alloy known for its excellent resistance to pitting, crevice corrosion, and stress corrosion cracking. This alloy is effective in a variety of harsh environments, particularly those involving chlorides and other aggressive chemicals.
Hastelloy C-22 retains its mechanical properties and stability across a wide temperature range. It is often chosen for applications in the chemical processing and pharmaceutical industries due to its reliability and performance.
Equivalent Grades by Country:
• ASTM: UNS N06022
• DIN: NiCr21Mo W.Nr.2.4602
• GB/T: NS3304
International Standards for Hastelloy C-22 Products
The following table outlines the applicable standards for Hastelloy C-22 in various forms:
| Product Form | ASTM Standard |
|---|---|
| Plate,Sheet&Strip | ASTM B575 |
| Round Bar | ASTM B574 |
| Seamless Pipe&Tube | ASTM B622 |
| Welded Pipe&Tube | ASTM B619,ASTM B626 |
| Forging | ASTM B564,ASTM B462 |
| Fittings | ASTM B366 |
Chemical Composition of Hastelloy C-22
The chemical composition of Hastelloy C-22 is summarized in the following table:
| Element | Percentage (%) |
|---|---|
| Nickel (Ni) | Bal. |
| Molybdenum (Mo) | 12.5 - 14.5 |
| Chromium (Cr) | 20.0 - 22.5 |
| Iron (Fe) | 2.0 - 6.0 |
| Tungsten (W) | 2.5 - 3.5 |
| Cobalt(Co) | ≤ 2.50 |
| Carbon (C) | ≤ 0.015 |
| Silicon (Si) | ≤ 0.08 |
| Manganese (Mn) | ≤ 0.50 |
| Phosphorus (P) | ≤ 0.020 |
| Sulfur (S) ≤ | 0.020 |
| Vanadium(V) | ≤ 0.35 |
Physical Properties of Hastelloy C-22
Key physical properties of Hastelloy C-22 are outlined in the table below:
| Property | Value |
|---|---|
| Density | 8.9 g/cm³ |
| Melting Point | 1325-1370 °C |
Material Characteristics
Hastelloy C-22 is characterized by several key properties:
• Corrosion Resistance: Outstanding resistance to various forms of corrosion, particularly in aggressive chemical environments.
• High Strength: Retains strength and stability under high temperatures and pressures.
• Weldability: Can be easily welded using standard techniques, facilitating fabrication.
• Versatility: Suitable for a wide range of applications due to its excellent mechanical properties.
Applications of Hastelloy C-22
Hastelloy C-22 is utilized across various industries, including:
• Chemical Processing: Equipment such as reactors, heat exchangers, and pipelines handling corrosive substances.
• Pharmaceuticals: Components in drug manufacturing processes that require high corrosion resistance.
• Oil and Gas: Parts used in environments with high chloride concentrations, such as offshore applications.
• Environmental: Systems for waste treatment and flue gas desulfurization.
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Mechanical Properties of Hastelloy C-22
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 770 |
| Yield Strength (MPa) | 355 |
| Elongation (%) | 50 |
| Hardness (HRB) | 85-95 |
Frequently Asked Questions about Hastelloy C-22
What is Hastelloy C-22 used for?
Hastelloy C-22 (UNS N06022) is primarily used in incinerators flue gas scrubbers, chlorination systems, cellophane manufacturing, pesticide production, phosphoric acid plants. Its excellent corrosion resistance and high-temperature strength make it ideal for these demanding applications.
What is the temperature range of Hastelloy C-22?
Hastelloy C-22 can operate at temperatures up to 1250F (677C) for welded structures, depending on the specific application and environmental conditions.
What are the key properties of Hastelloy C-22?
Hastelloy C-22 (UNS N06022) exhibits excellent corrosion resistance, high-temperature strength, good fabricability, and outstanding mechanical properties. It meets standards including ASTM B575, ASME SB575.
What is the difference between Hastelloy C-22 and other nickel alloys?
Hastelloy C-22 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 incinerators flue gas scrubbers 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 |
