Alloy 22，Hastelloy C-22 Strip，UNS N06022,E FORU

British Specs:，American Specs:，German Specs:WS 2.4602

### **Product Introduction: Alloy 22 (Hastelloy® C-22) Strip / UNS N06022** **Precision Thin-Strip Solution for Demanding Corrosion Applications** **Hastelloy® C-22 Strip** (UNS N06022) represents the highest standard in precision cold-rolled corrosion-resistant strip materials. This nickel-chromium-molybdenum-tungsten alloy strip offers exceptional corrosion resistance combined with precise dimensional tolerances and superior surface quality, making it ideal for applications requiring both corrosion resistance and precise fabrication characteristics. The material's excellent formability and consistent mechanical properties ensure reliable performance in critical chemical, electronic, and industrial applications. Our C-22 strip is manufactured through precision cold-rolling processes, ensuring uniform gauge control, exceptional surface finish, and consistent mechanical properties throughout the coil. --- #### **1. Chemical Composition (Weight %)** | Element | Content (%) | | :--- | :--- | | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 20.0 - 22.5 | | **Molybdenum (Mo)** | 12.5 - 14.5 | | **Tungsten (W)** | 2.5 - 3.5 | | **Iron (Fe)** | 2.0 - 6.0 | | **Cobalt (Co)** | 2.0 max | | **Vanadium (V)** | 0.35 max | | **Silicon (Si)** | 0.08 max | | **Manganese (Mn)** | 0.50 max | | **Carbon (C)** | 0.015 max | | **Phosphorus (P)** | 0.02 max | | **Sulfur (S)** | 0.02 max | * **Precision Chemistry:** The carefully balanced composition provides optimal corrosion resistance while maintaining excellent cold-working characteristics. The low carbon content ensures immunity to sensitization during subsequent manufacturing processes. --- #### **2. Physical Properties** | Property | Value | | :--- | :--- | | **Density** | 0.315 lb/in³ (8.69 g/cm³) | | **Melting Range** | 1350 - 1380°C (2460 - 2520°F) | | **Specific Heat** | 0.095 Btu/lb-°F (398 J/kg-°K) at 70°F | | **Thermal Conductivity** | 6.5 Btu-ft/hr-ft²-°F (11.2 W/m·K) at 70°F | | **Mean Coefficient of Thermal Expansion** | 7.8 x 10⁻⁶ per °F (14.0 x 10⁻⁶ per °K) 70-200°F | | **Modulus of Elasticity** | 29.5 x 10⁶ psi (203 GPa) | | **Electrical Resistivity** | 46.0 μΩ·in (117 μΩ·cm) at 70°F | --- #### **3. Mechanical Properties** C-22 strip is available in various tempers to suit specific application requirements. | Property | Annealed | 1/4 Hard | 1/2 Hard | Full Hard | | :--- | :--- | :--- | :--- | :--- | | **Tensile Strength (ksi)** | 110-130 | 130-150 | 150-170 | 170-190 | | **Yield Strength (ksi)** | 52-65 | 95-115 | 125-145 | 160-180 | | **Elongation (%)** | 65-50 | 45-30 | 25-15 | 10-5 | | **Hardness (HRB)** | 90-85 | 98-100 | 102-105 | 106-110 | --- #### **4. Corrosion Resistance & Product Applications** **Superior Corrosion Performance:** - **Universal Chemical Resistance:** Outstanding performance in oxidizing and reducing environments including nitric, hydrochloric, and sulfuric acids - **Localized Corrosion:** Excellent resistance to pitting and crevice corrosion in chloride solutions - **Stress Corrosion Cracking:** High immunity to chloride-induced SCC - **Mixed Chemical Environments:** Maintains integrity in complex process streams - **Oxidizing Salts:** Resists attack from contaminated acids with oxidizing metal ions **Primary Applications:** * **Electronic Components:** - Lead frames and connectors - Spring contacts and terminals - Semiconductor processing components * **Industrial Components:** - Precision springs for corrosive environments - Bellows and flexible seals - Medical instrument components - Chemical processing equipment parts * **Specialty Applications:** - Encapsulating strips for corrosive service - Shims and spacers in aggressive environments - Electrical resistance elements * **Consumer Products:** - High-end watch components - Chemical exposure sensors - Precision mechanical parts --- #### **5. International Standards** Our Hastelloy C-22 Strip conforms to major international standards: **Primary Standards:** * **ASTM B575:** Standard Specification for Low-Carbon Nickel-Chromium-Molybdenum, Nickel-Chromium-Molybdenum-Tungsten Alloy Plate, Sheet, and Strip * **AMS 5757:** Strip, Corrosion and Heat Resistant Alloy * **UNS:** **UNS N06022** * **EURONORM:** **2.4602** * **DIN:** DIN 17744 - NiCr21Mo14W * **ISO:** ISO 15156-3 / NACE MR0175 **Technical Specifications:** * **Thickness Range:** 0.001" to 0.125" (0.025mm to 3.175mm) * **Width Range:** 0.125" to 24" (3.175mm to 610mm) * **Temper Conditions:** Annealed, 1/4 Hard, 1/2 Hard, Full Hard * **Surface Finish:** Bright annealed, 2B finish, polished finishes * **Edge Condition:** Mill edge, slit edge, round edge, or square edge --- #### **Why Choose Our Hastelloy C-22 Strip?** * **Precision Manufacturing:** Tight thickness tolerances and superior surface quality * **Consistent Properties:** Uniform mechanical properties throughout the coil * **Multiple Tempers:** Available in various hardness levels for different applications * **Excellent Formability:** Suitable for deep drawing, stamping, and bending operations * **Quality Assurance:** Complete traceability with certified test reports * **Technical Expertise:** Comprehensive support for material selection and fabrication **Contact us today** for detailed specifications, technical guidance, and application support. Our team provides expert solutions for your precision strip requirements in corrosive environments. *Hastelloy® is a registered trademark of Haynes International Inc.*

Packing of Standard Packing: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 2736 gallon liquid totes Special package is available on request.