Alloy C276,Inconel C276 Strip,UNS N10276,E FORU

British Specs:，American Specs:AMS 5750 ASTM B462 ASTM B564 ASTM B574 ASTM B575 ASTM B622 ASTM B626 (Tube *) ASTM B619 ASTM B775，German Specs:WS 2.4819

### **Product Datasheet: Alloy C-276 / Inconel C-276 Strip (UNS N10276)** **Alloy C-276** (commercially known as **Inconel C-276**) strip is a nickel-molybdenum-chromium superalloy supplied in thin, narrow coiled form, offering exceptional corrosion resistance combined with excellent formability and precise dimensional control. This product form is specifically engineered for high-volume manufacturing applications requiring tight tolerances, consistent properties, and reliable performance in aggressive chemical environments. --- #### **1. Chemical Composition** The chemical composition of Alloy C-276 strip is precisely controlled to ensure consistent performance: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | Balance | | **Molybdenum (Mo)** | 15.0 - 17.0 | | **Chromium (Cr)** | 14.5 - 16.5 | | **Iron (Fe)** | 4.0 - 7.0 | | **Tungsten (W)** | 3.0 - 4.5 | | **Cobalt (Co)** | 2.5 max | | **Manganese (Mn)** | 1.0 max | | **Vanadium (V)** | 0.35 max | | **Silicon (Si)** | 0.08 max | | **Carbon (C)** | 0.01 max | | **Phosphorus (P)** | 0.025 max | | **Sulfur (S)** | 0.01 max | *Note: The carefully balanced composition provides exceptional resistance to both oxidizing and reducing media, while the low carbon and silicon content ensures optimal corrosion resistance in welded structures and formed components.* --- #### **2. Physical Properties** Alloy C-276 strip exhibits consistent physical properties: | Property | Value | |:---|:---| | **Density** | 8.89 g/cm³ (0.321 lb/in³) | | **Melting Range** | 1325 - 1370°C (2420 - 2500°F) | | **Coefficient of Thermal Expansion** | 11.2 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 10.2 W/m·K (at 100°C) | | **Specific Heat** | 427 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 205 GPa (29.7 × 10⁶ psi) | | **Electrical Resistivity** | 1.30 μΩ·m | | **Magnetic Permeability** | <1.001 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Annealed Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 760-860 MPa (110-125 ksi) | | **Yield Strength (0.2% Offset)** | 380-480 MPa (55-70 ksi) | | **Elongation** | 50-60% | | **Hardness** | 85-95 HRB | **Properties by Temper Condition:** | Temper | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) | |:---|:---|:---|:---| | **Annealed** | 760-860 | 380-480 | 50-60 | | **¼ Hard** | 860-960 | 690-790 | 25-35 | | **½ Hard** | 960-1060 | 860-960 | 15-25 | | **Full Hard** | 1060-1160 | 1000-1100 | 8-15 | --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Thickness:** 0.05mm to 3.0mm (0.002" to 0.118") - **Width:** 3mm to 600mm (0.118" to 23.6") - **Coil Weight:** Up to 5000 kg - **Temper Conditions:** Annealed, ¼ Hard, ½ Hard, Full Hard - **Coil Dimensions:** ID 405/510mm, OD up to 1500mm **Surface Finishes:** - **2D:** Dull cold-rolled finish - **2B:** Bright cold-rolled finish - **BA:** Bright annealed - **Polished:** Various grit finishes (180-600 grit) - **Special:** Coated or plated surfaces available --- #### **5. Product Applications** **Electronic Components:** - **Spring Contacts:** For corrosive environment applications - **Connector Components:** High-reliability electrical contacts - **Shielding Elements:** EMI/RFI shielding in harsh conditions - **Battery Components:** Current collectors and interconnects **Precision Engineering:** - **Sealing Elements:** Gaskets and seal strips for chemical service - **Bellows Components:** Pressure and temperature applications - **Sensor Elements:** Corrosion-resistant sensing components - **Medical Devices:** Surgical instruments and implant components **Chemical Processing:** - **Gasket Materials:** For corrosive chemical service - **Spacer Elements:** Precision thickness control in assemblies - **Seal Components:** Pump and valve sealing elements - **Filter Elements:** Support mesh and filter components **Automotive & Aerospace:** - **Fuel System Components:** Injector parts and seals - **Actuator Parts:** Precision control elements - **Fastener Components:** Specialized clips and retainers - **Thermal Management:** Heat shield and spacer elements **Oil & Gas Industry:** - **Instrumentation Components:** Pressure sensor diaphragms - **Control System Parts:** Valve components and actuators - **Safety Device Elements:** Relief valve and regulator parts - **Measurement Tools:** Downhole instrument components --- #### **6. International Standards** **Material Standards:** - **UNS N10276**: Unified Numbering System designation - **ASTM B575**: Standard for Plate, Sheet, and Strip - **ASTM B906**: Standard for General Requirements for Flat-Rolled Nickel and Nickel Alloys - **DIN 2.4819**: German Industrial Standard - **EN 10095**: NiMo16Cr15W (European Standard) **Dimensional Standards:** - **ASTM B909**: Standard Guide for Plane Strain Fracture Toughness Testing - **ISO 9445**: Continuously cold-rolled stainless steel strip for springs - **MIL-S-22499D**: Shim Stock, Metallic, Corrosion Resistant **Quality & Testing Standards:** - **ASTM E8**: Standard Test Methods for Tension Testing - **ASTM E290**: Standard Test Methods for Bend Testing - **ASTM E345**: Standard Test Methods of Tension Testing of Metallic Foil - **ASTM G48**: Standard Test Methods for Pitting and Crevice Corrosion --- #### **7. Corrosion Resistance** **Excellent Performance In:** - **Hydrochloric Acid:** All concentrations and temperatures - **Sulfuric Acid:** Wide concentration range up to 70% - **Phosphoric Acid:** All concentrations and temperatures - **Chloride Solutions:** Superior pitting and crevice corrosion resistance - **Wet Chlorine Gas:** Outstanding performance - **Organic Acids:** Formic, acetic, and other organic acids **Corrosion Performance Data:** - **Critical Pitting Temperature:** >85°C - **Critical Crevice Temperature:** >65°C - **Pitting Resistance Equivalent Number (PREN):** ~69 - **General Corrosion Rate:** <0.1 mm/year in most aggressive media --- #### **8. Fabrication Characteristics** **Forming Operations:** - **Blankability:** Excellent for precision blanking operations - **Bendability:** Minimum bend radius 1 × thickness - **Deep Drawing:** Good formability in annealed condition - **Stamping:** Suitable for high-volume production **Joining Methods:** - **Resistance Welding:** Excellent for thin sections - **Laser Welding:** Precision joining capability - **Brazing:** Compatible with various filler metals - **Adhesive Bonding:** Good surface for structural adhesives **Heat Treatment:** - **Solution Annealing:** 1120-1175°C (2050-2150°F) + rapid quench - **Stress Relieving:** Not recommended - **Aging Treatment:** Not applicable --- #### **9. Quality Assurance** **Testing & Certification:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness, springback tests - **Surface Inspection:** Visual and microscopic examination - **Dimensional Checks:** Thickness, width, camber, flatness - **Special Testing:** Corrosion tests, micrographic examination **Quality Control Parameters:** - **Thickness Control:** ±2% for critical applications - **Width Control:** Precision slitting capabilities - **Surface Quality:** Defect-free surface requirements - **Edge Condition:** Burr-free edges specified - **Flatness:** Stringent flatness requirements --- #### **10. Key Advantages** * **Precision Tolerances:** Tight dimensional control for critical applications * **Excellent Formability:** Can be stamped, bent, and formed into complex shapes * **Exceptional Corrosion Resistance:** Outstanding performance in aggressive environments * **Consistent Properties:** Uniform mechanical properties throughout coil * **High Strength-to-Weight Ratio:** Ideal for weight-sensitive applications * **Surface Quality:** Multiple finish options available * **Cost-Effective:** Efficient material usage in strip form * **Industry Compliance:** Meets major international standards Alloy C-276 strip provides manufacturers with a high-precision material solution for applications requiring excellent corrosion resistance, precise dimensional control, and reliable performance in demanding industrial environments, particularly where space constraints, weight considerations, and high-volume production are critical factors.

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 2021 gallon liquid totes Special package is available on request.