Alloy 75,Nimonic 75 Plate,UNS N06075,E FORU

British Specs:BS HR5 Alloy 75 Bar BS HR203 Alloy 75 sheet BS HR403 Alloy 75 tube* BS HR504 Alloy 75 Bar (rivet)，American Specs:，German Specs:WS 2.4630 WS 2.4951,AFNOR NC 20T

### **Product Datasheet: Alloy 75 / Nimonic 75 Plate (UNS N06075)** **Alloy 75** (commercially known as **Nimonic 75**) plate is a nickel-chromium alloy supplied in plate form, designed for high-temperature applications requiring excellent oxidation resistance and good mechanical properties. This product form is specifically engineered for pressure vessels, heat treatment equipment, and structural applications where reliability at elevated temperatures up to 950°C is paramount. --- #### **1. Chemical Composition** The chemical composition of Nimonic 75 plate is precisely controlled to ensure optimal high-temperature performance: | Element | Content (%) | |:---|:---| | **Nickel (Ni)** | Balance | | **Chromium (Cr)** | 18.0 - 21.0 | | **Iron (Fe)** | 3.0 - 5.0 | | **Titanium (Ti)** | 0.2 - 0.6 | | **Carbon (C)** | 0.08 - 0.15 | | **Manganese (Mn)** | 1.0 max | | **Silicon (Si)** | 1.0 max | | **Copper (Cu)** | 0.5 max | | **Sulfur (S)** | 0.015 max | *Note: The balanced composition provides excellent oxidation resistance through chromium content while maintaining good high-temperature strength and fabricability in plate form.* --- #### **2. Physical Properties** Nimonic 75 plate exhibits consistent physical properties: | Property | Value | |:---|:---| | **Density** | 8.31 g/cm³ (0.300 lb/in³) | | **Melting Range** | 1380 - 1425°C (2516 - 2597°F) | | **Coefficient of Thermal Expansion** | 14.5 × 10⁻⁶/°C (20-100°C) | | **Thermal Conductivity** | 12.0 W/m·K (at 100°C) | | **Specific Heat** | 460 J/kg·K (at 100°C) | | **Modulus of Elasticity** | 214 GPa (31 × 10⁶ psi) | | **Electrical Resistivity** | 1.12 μΩ·m | | **Magnetic Permeability** | <1.01 (essentially non-magnetic) | --- #### **3. Mechanical Properties** **Standard Mechanical Properties (Solution Annealed Condition):** | Property | Value | |:---|:---| | **Tensile Strength** | 690 MPa (100 ksi) min | | **Yield Strength (0.2% Offset)** | 310 MPa (45 ksi) min | | **Elongation** | 45% min | | **Hardness** | 85 HRB max | **Elevated Temperature Properties:** - **Service Temperature:** Up to 950°C (1742°F) - **Creep Strength:** 100 MPa at 750°C (1382°F) - **Stress Rupture:** Maintains integrity under prolonged loading at high temperatures --- #### **4. Product Specifications** **Available Forms & Sizes:** - **Thickness:** 5mm to 150mm (0.187" to 6") - **Width:** 1000mm to 3000mm (39" to 118") - **Length:** 2000mm to 12000mm (78" to 472") - **Surface Finish:** Hot rolled, annealed, pickled, or machined **Standard Specifications:** - **Thickness Tolerance:** ±5% or ±0.25mm, whichever is greater - **Flatness:** Typically 5mm per meter maximum - **Straightness:** 1mm per meter maximum - **Surface Quality:** Free from defects per applicable standards --- #### **5. Product Applications** **Aerospace Industry:** - **Engine Components:** Combustion chamber parts, mounting plates - **Exhaust Systems:** Heat shields and structural supports - **Airframe Components:** High-temperature structural elements - **Rocket Components:** Nozzle parts and heat protection **Power Generation:** - **Gas Turbine Components:** Casing parts and support structures - **Heat Exchanger Parts:** Header plates and support frames - **Boiler Components:** High-temperature pressure parts - **Nuclear Applications:** Non-critical structural components **Industrial Processing:** - **Heat Treatment Equipment:** Furnace retorts, muffles, and radiant tubes - **Chemical Processing:** High-temperature reaction vessel components - **Glass Manufacturing:** Forming plates and furnace components - **Ceramic Industry:** Kiln furniture and setters **Automotive Industry:** - **Turbocharger Components:** Housing parts and heat shields - **Exhaust Systems:** High-temperature mounting plates - **Performance Engine Parts:** Heat-resistant brackets and supports --- #### **6. International Standards** **Material Standards:** - **UNS N06075**: Unified Numbering System designation - **ASTM B168**: Standard for Nickel-Chromium-Aluminum Alloy Plate, Sheet, and Strip - **AMS 5755**: Aerospace Material Specification - **BS HR 501**: British Standard - **DIN 2.4951**: German Industrial Standard **Industry Specifications:** - **ASME SB168**: ASME Boiler and Pressure Vessel Code - **ISO 9724**: Aerospace series standards - **EN 10095**: Heat resisting steels and nickel alloys **Testing & Certification:** - **ASTM A578**: Ultrasonic Examination - **ASTM E112**: Grain Size Determination - **ASTM E384**: Microhardness Testing - **EN 10204 3.1/3.2**: Material certification --- #### **7. Heat Treatment** **Solution Annealing:** - **Temperature Range:** 1150-1180°C (2100-2150°F) - **Cooling Method:** Rapid air cool or water quench - **Purpose:** To dissolve precipitated phases and optimize properties **Aging Treatment (Optional):** - **Temperature:** 700-750°C (1290-1380°F) - **Time:** 8-16 hours, air cool - **Purpose:** To enhance mechanical properties for specific applications --- #### **8. Oxidation & Corrosion Resistance** **Excellent Performance In:** - **High-Temperature Oxidation:** Up to 950°C continuous service - **Sulfur-Containing Atmospheres:** Good resistance to sulfidation - **Carburizing Environments:** Moderate resistance - **Thermal Cycling:** Good resistance to thermal fatigue **Oxidation Performance Data:** - **Continuous Service Temperature:** Up to 950°C (1742°F) - **Oxidation Rate:** <0.1 mm/year at 900°C (1652°F) - **Scale Adherence:** Excellent, with protective chromia scale --- #### **9. Fabrication Characteristics** **Machining:** - **Machinability Rating:** 40-50% (compared to 1212 steel) - **Tool Materials:** Carbide tools recommended - **Cutting Speeds:** 15-25 m/min for milling operations - **Coolant Requirements:** Essential for optimum tool life **Welding:** - **Recommended Processes:** GTAW, GMAW, SMAW - **Filler Metals:** AWS A5.14 ERNiCr-3 - **Preheat:** Generally not required - **Post-Weld Heat Treatment:** Recommended for critical applications **Forming:** - **Cold Forming:** Good formability in annealed condition - **Hot Forming:** Temperature range 1050-1200°C - **Minimum Bend Radius:** 3 × thickness for 90° bends - **Springback:** Higher than carbon steels, requires compensation --- #### **10. Quality Assurance** **Testing Requirements:** - **Chemical Analysis:** Certified mill test reports - **Mechanical Testing:** Tensile, hardness tests - **Non-Destructive Testing:** UT, RT, MT, PT as specified - **Dimensional Inspection:** To specified tolerances - **Surface Inspection:** Visual and dimensional checks **Certification:** - **Material Certificates:** EN 10204 3.1/3.2 - **Third-Party Inspection:** Available as required - **Traceability:** Complete documentation from melt to final plate --- #### **11. Key Advantages** * **Excellent High-Temperature Strength:** Maintains mechanical properties at elevated temperatures * **Superior Oxidation Resistance:** Outstanding performance up to 950°C * **Good Fabricability:** Can be welded and formed using standard methods * **Versatile Applications:** Suitable for various high-temperature environments * **Industry Compliance:** Meets major international standards * **Proven Reliability:** Extensive service history in demanding applications * **Cost-Effective:** Economical solution for high-temperature applications Nimonic 75 plate provides engineers and fabricators with a reliable, high-performance material solution for critical applications in aerospace, power generation, and industrial heating industries where excellent oxidation resistance and maintained mechanical strength at high temperatures are essential requirements.

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 2045 gallon liquid totes Special package is available on request.