Alloy PE16,Nimonic PE16 Bar(Round bar, Flat bar),,E FORU

British Specs: BS HR55 BS HR207，American Specs:，German Specs: AFNOR NW 11AC

### **Product Data Sheet: Alloy PE16 / Nimonic PE16 Bar (Round Bar, Flat Bar) (UNS N07115)** **Overview** **Alloy PE16** (commercially known as **Nimonic PE16**) is a precipitation-hardenable nickel-chromium-iron superalloy designed for high-temperature service. In the form of **round bar and flat bar**, this material delivers **good high-temperature strength, excellent oxidation resistance, and superior machinability** at temperatures up to 700°C (1290°F). Nimonic PE16 bar products are manufactured to provide reliable performance in high-temperature applications where dimensional stability, mechanical reliability, and cost-effectiveness are important considerations. Both round and flat bar forms offer excellent machinability and fabrication versatility while maintaining the alloy's balanced high-temperature characteristics. --- #### **1. Chemical Composition** | Element | Content (%) (Typical) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | Balance | Austenitic matrix; provides corrosion resistance and toughness | | **Chromium (Cr)** | 15.0 - 17.0 | Confers oxidation and corrosion resistance | | **Iron (Fe)** | 32.0 - 38.0 | Enhances fabricability and cost-effectiveness | | **Molybdenum (Mo)** | 2.5 - 3.5 | Provides solid solution strengthening | | **Titanium (Ti)** | 1.0 - 1.8 | Primary precipitation hardener (forms γ' phase) | | **Aluminum (Al)** | 1.0 - 1.8 | Secondary precipitation hardener | | **Carbon (C)** | 0.05 - 0.10 | Forms carbides for grain boundary strength | | **Boron (B)** | 0.001 - 0.010 | Strengthens grain boundaries | | **Manganese (Mn)** | 0.50 max | Controls sulfur content | | **Silicon (Si)** | 0.50 max | Improves oxidation resistance | --- #### **2. Physical Properties** | Property | Value / Condition | | :--- | :--- | | **Density** | 8.00 g/cm³ (0.289 lb/in³) | | **Melting Range** | 1350 - 1400°C (2460 - 2550°F) | | **Specific Heat** | 450 J/kg·K (0.107 Btu/lb·°F) @ 20°C | | **Thermal Conductivity** | 12.0 W/m·K (83.2 Btu·in/hr·ft²·°F) @ 20°C | | **Mean Coefficient of Thermal Expansion** | 14.5 × 10⁻⁶/°C (20-500°C) | | | 16.2 × 10⁻⁶/°C (20-800°C) | | **Electrical Resistivity** | 1.15 μΩ·m @ 20°C | | **Modulus of Elasticity** | 200 GPa (29.0 × 10⁶ psi) @ 20°C | --- #### **3. Mechanical Properties** **Typical Room Temperature Properties (Heat Treated Condition)** * **Tensile Strength:** 800-1000 MPa (116-145 ksi) * **Yield Strength (0.2% Offset):** 500-700 MPa (73-102 ksi) * **Elongation:** 20-30% * **Reduction of Area:** 25-35% **Elevated Temperature Performance** * **Stress Rupture Strength (1000 hours):** * **600°C (1110°F):** ~150 MPa (~22 ksi) * **700°C (1290°F):** ~70 MPa (~10 ksi) --- #### **4. Product Forms & Specifications** **Round Bar:** * **Diameter Range:** 5mm to 200mm (0.2" to 8") * **Standard Lengths:** 3-6 meters (10-20 feet) * **Tolerance:** h11 for precision applications **Flat Bar:** * **Thickness Range:** 3mm to 100mm (0.12" to 4") * **Width Range:** 10mm to 200mm (0.4" to 8") * **Standard Lengths:** 3-6 meters (10-20 feet) **Surface Condition:** * Centerless ground (round bar) * Turned and polished * Hot-rolled, annealed, and pickled * Machined surfaces available --- #### **5. Key Characteristics** * **Good High-Temperature Strength:** Suitable for service up to 700°C * **Excellent Oxidation Resistance:** Performs well in oxidizing atmospheres * **Superior Machinability:** Excellent machinability in solution-annealed condition * **Good Weldability:** Can be welded using conventional methods * **Cost-Effective:** More economical than higher-nickel superalloys * **Good Thermal Fatigue Resistance:** Performs well under thermal cycling conditions * **Stable Microstructure:** Maintains properties during long-term exposure * **Excellent Fabricability:** Easy to machine, form, and weld --- #### **6. Product Applications** Nimonic PE16 bar products are used for various components in moderately high-temperature environments: **Round Bar Applications:** * **Aerospace & Gas Turbine Engines:** * **Turbine blades and vanes** * **Compressor components** * **Fasteners and bolting** * **Shafts and spindles** * **Spacers and bushings** * **Power Generation:** * **Gas turbine components** * **Steam turbine parts** * **High-temperature fasteners** * **Valve stems** **Flat Bar Applications:** * **Structural supports and brackets** * **Wear plates and guides** * **Fabrication components** * **Heat treatment fixtures** * **Tooling and die components** * **Machine tool elements** **Industrial Applications:** * **Heat treatment furnace components** * **Chemical processing equipment** * **Glass manufacturing equipment** * **Automotive turbocharger components** --- #### **7. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07115** | All product forms | | **Aerospace (SAE/AMS)** | **AMS 5718** | Bar, Forgings, and Rings (Solution heat treated, precipitation-hardenable) | | **British Standard** | **BS HR 4** | Bar Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4950** | Material number | | **ASTM** | **ASTM B637** | Standard Specification for Precipitation-Hardening Nickel Alloy Bars, Forgings, and Forging Stock | --- #### **8. Quality Assurance** **Testing & Certification:** * Chemical analysis certification * Mechanical properties testing * Ultrasonic testing per ASTM A388 * Grain size assessment * Macro-etch testing * Dimensional inspection **Certification:** * Material Test Certificate 3.1 per EN 10204 * Full traceability to melt heat number * Heat treatment compliance records * Non-destructive testing reports --- **Summary** **Alloy PE16 Bar (Nimonic PE16, UNS N07115)** in both round and flat forms provides an optimal combination of machinability, moderate high-temperature performance, and cost-effectiveness for various industrial applications. Its good creep strength and oxidation resistance at temperatures up to 700°C make it suitable for turbine components, fasteners, structural elements, and other applications in aerospace, power generation, and general industry. The bar forms offer excellent dimensional consistency and metallurgical quality, enabling precision machining and fabrication of components while maintaining the balanced properties that make Nimonic PE16 a cost-effective choice for moderately demanding high-temperature applications. Compliance with international standards including AMS 5718, BS HR 4, and ASTM B637 ensures reliable performance in various industrial applications where component reliability and economic viability are important considerations. The alloy's excellent machinability, good weldability, and adequate high-temperature strength make it particularly suitable for applications requiring complex fabrication operations, while its precipitation-hardening characteristics provide sufficient strength for service at moderately elevated temperatures up to 700°C.

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 2172 gallon liquid totes Special package is available on request.