Alloy C276,Hastelloy C276 Other/Similar Specs,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 / Hastelloy C-276 (UNS N10276) - Other Forms & Similar Specifications** **Alloy C-276** (commercially known as **Hastelloy C-276**) is a nickel-molybdenum-chromium superalloy that offers exceptional corrosion resistance across a wide range of severe environments. This datasheet covers additional product forms beyond standard offerings and outlines similar international specifications that ensure consistent material performance across global markets and applications. --- #### **1. Chemical Composition** The chemical composition is tightly controlled across all product forms: | Element | Content (%) | Purpose | |:---|:---|:---| | **Nickel (Ni)** | Balance | Austenite matrix formation | | **Molybdenum (Mo)** | 15.0 - 17.0 | Reducing media resistance | | **Chromium (Cr)** | 14.5 - 16.5 | Oxidizing media resistance | | **Iron (Fe)** | 4.0 - 7.0 | Matrix element | | **Tungsten (W)** | 3.0 - 4.5 | Solid solution strengthening | | **Cobalt (Co)** | 2.5 max | Impurity control | | **Manganese (Mn)** | 1.0 max | Sulfide control | | **Vanadium (V)** | 0.35 max | Impurity control | | **Silicon (Si)** | 0.08 max | Carbide formation control | | **Carbon (C)** | 0.01 max | Carbide precipitation control | --- #### **2. Physical Properties** | Property | Value | Test Standard | |:---|:---|:---| | **Density** | 8.89 g/cm³ (0.321 lb/in³) | ASTM B311 | | **Melting Range** | 1325 - 1370°C (2420 - 2500°F) | - | | **Coefficient of Thermal Expansion** | 11.2 × 10⁻⁶/°C (20-100°C) | ASTM E228 | | **Thermal Conductivity** | 10.2 W/m·K (at 100°C) | ASTM E1461 | | **Specific Heat** | 427 J/kg·K (at 100°C) | ASTM E1269 | | **Modulus of Elasticity** | 205 GPa (29.7 × 10⁶ psi) | ASTM E111 | | **Electrical Resistivity** | 1.30 μΩ·m | ASTM B193 | | **Magnetic Permeability** | <1.001 (essentially non-magnetic) | ASTM A342 | --- #### **3. Mechanical Properties (Typical Annealed Condition)** | Property | Value | Test Standard | |:---|:---|:---| | **Tensile Strength** | 790 MPa (115 ksi) min | ASTM E8 | | **Yield Strength (0.2% Offset)** | 415 MPa (60 ksi) min | ASTM E8 | | **Elongation** | 55% min | ASTM E8 | | **Reduction of Area** | 65% min | ASTM E8 | | **Hardness** | 90 HRB max | ASTM E18 | | **Impact Strength (Charpy V-Notch)** | 100 J min | ASTM E23 | --- #### **4. Other Product Forms & Applications** **Specialized Product Forms:** **Wire Products:** - **Welding Electrodes:** AWS A5.14 ERNiCrMo-4 classification - **Fastener Wire:** For high-strength corrosion-resistant bolts - **Spring Wire:** For corrosive environment applications - **Fabricated Wire Forms:** Custom shapes and assemblies **Custom Components:** - **Fasteners:** Bolts, nuts, studs, washers - **Machined Parts:** Custom-fabricated components - **Castings:** Investment and sand cast versions - **Powder Metallurgy:** For specialized applications **Special Applications:** **Nuclear Industry:** - **Nuclear Fuel Reprocessing:** Chemical processing equipment - **Radioactive Waste Handling:** Containment and processing components - **Reactor Components:** Non-critical structural elements **Marine Engineering:** - **Seawater Piping Systems:** Pump components and valves - **Offshore Platforms:** Critical structural components - **Desalination Plants:** Heat exchanger and evaporator parts **Medical Applications:** - **Surgical Instruments:** Corrosion-resistant medical tools - **Medical Implants:** Non-magnetic implant components - **Diagnostic Equipment:** MRI and imaging system components --- #### **5. International Standards & Equivalents** **Global Standard Equivalents:** | Country/Region | Standard | Designation | |:---|:---|:---| | **International** | UNS | N10276 | | **USA** | ASTM B574/B575/B619/B622 | Alloy C-276 | | **USA** | ASME SB574/SB575/SB619/SB622 | Alloy C-276 | | **Germany** | DIN | 2.4819 | | **Germany** | Werkstoff Nr. | 2.4819 | | **France** | AFNOR | NiMo16Cr15W | | **UK** | BS | HR 10 | | **Europe** | EN | NiMo16Cr15W | | **Japan** | JIS | NW 0276 | | **China** | GB | NS334 | **Industry-Specific Specifications:** **Oil & Gas:** - **NACE MR0175/ISO 15156:** Approved for sour service - **API 6ACRA:** CRA (Corrosion Resistant Alloy) applications - **API 20B:** Open die forgings specification **Chemical Processing:** - **ASME B31.3:** Process piping requirements - **ISO 15156:** Petroleum and natural gas industries **Aerospace:** - **AMS 5754:** Aerospace material specification - **MIL-SPEC:** Various military specifications --- #### **6. Special Processing Specifications** **Heat Treatment Standards:** - **Solution Annealing:** 1120-1175°C (2050-2150°F) + rapid quench - **Process Standards:** AMS 2759, ASTM B906 **Testing & Certification:** - **Chemical Analysis:** ASTM E1473, ISO 11438 - **Mechanical Testing:** ASTM E8, ISO 6892-1 - **Corrosion Testing:** ASTM G48, ASTM G36 - **NDE Requirements:** ASME Section V, EN 10228 --- #### **7. Quality Assurance & Documentation** **Certification Requirements:** - **EN 10204 3.1/3.2:** Inspection certificates - **PED 2014/68/EU:** Pressure equipment directive - **NORSOK M-630:** Material data sheet requirements - **ANSI/NCSL Z540-1:** Calibration requirements **Quality Management:** - **ISO 9001:** Quality management systems - **ISO 14001:** Environmental management - **API Q1:** Quality management system requirements - **OHSAS 18001:** Health and safety management --- #### **8. Technical Advantages** * **Global Recognition:** Accepted by major international standards organizations * **Consistent Quality:** Uniform properties across all product forms * **Proven Performance:** Extensive service history in critical applications * **Technical Support:** Comprehensive engineering and application support * **Supply Chain Reliability:** Multiple qualified suppliers worldwide * **Documentation Traceability:** Complete material traceability from melt to final product * **Regulatory Compliance:** Meets international regulatory requirements --- #### **9. Special Considerations for Material Selection** **Design Considerations:** - **Corrosion Allowance:** Minimal due to excellent corrosion resistance - **Fabrication Methods:** Compatible with standard manufacturing processes - **In-Service Performance:** Proven long-term reliability in harsh environments - **Life Cycle Costing:** Favorable due to extended service life and reduced maintenance **Technical Support Services:** - **Material Selection:** Assistance with specification choices - **Fabrication Guidance:** Recommended practices and procedures - **Failure Analysis:** Investigation and resolution of service issues - **Application Engineering:** Customized solutions for specific requirements Hastelloy C-276's comprehensive international specification coverage and availability in multiple specialized forms make it a versatile and reliable choice for engineers designing critical components for corrosive service applications across multiple industries worldwide.

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 2037 gallon liquid totes Special package is available on request.