Alloy PE16,Nimonic PE16 Tube,,E FORU

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

### **Product Data Sheet: Alloy PE16 / Nimonic PE16 Tube (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 **tube**, this material provides **good creep strength, excellent oxidation resistance, and reliable pressure integrity** at temperatures up to 700°C (1290°F). Nimonic PE16 tubing is precision-engineered for applications requiring reliable performance under combined thermal and pressure stresses. The tubular form maintains the alloy's characteristic high-temperature properties while providing optimal fluid and gas conveyance in demanding industrial environments, offering a cost-effective solution for moderately high-temperature applications. --- #### **1. Chemical Composition** | Element | Content (%) (Typical) | Role in the Alloy | | :--- | :--- | :--- | | **Nickel (Ni)** | Balance | Austenitic matrix; provides corrosion resistance and structural integrity | | **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)** * **Tensile Strength:** 800-1000 MPa (116-145 ksi) * **Yield Strength (0.2% Offset):** 500-700 MPa (73-102 ksi) * **Elongation:** 20-30% **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 Specifications & Types** **Tube Types:** * **Seamless Tubing** - For high-pressure, high-temperature applications * **Welded and Cold Worked Tubing** - For specific applications * **Heat Exchanger Tubes** - Precision dimensions for thermal efficiency * **Instrumentation Tubing** - Small diameters for control systems * **Hydraulic Lines** - For high-temperature fluid systems **Standard Sizes:** * **Outside Diameter:** 3mm to 150mm (0.125" to 6") * **Wall Thickness:** 0.5mm to 12mm (0.020" to 0.500") * **Tolerances:** To ASTM and BS specifications **Dimensional Tolerances:** * **OD Tolerance:** ±0.1mm for precision tubes * **Wall Thickness:** ±10% standard, ±5% precision available * **Concentricity:** 90% minimum for critical applications --- #### **5. Key Characteristics** * **Good High-Temperature Strength:** Maintains mechanical properties up to 700°C * **Excellent Oxidation Resistance:** Protective chromium oxide layer for extended service life * **Pressure Integrity:** Reliable performance in moderate-pressure systems * **Thermal Fatigue Resistance:** Good performance under thermal cycling conditions * **Good Fabricability:** Can be bent, formed, and welded with proper procedures * **Surface Quality:** Smooth internal and external surfaces for optimal fluid flow * **Cost-Effective:** Economical alternative to higher-nickel superalloys * **Stable Microstructure:** Maintains properties during long-term exposure --- #### **6. Product Applications** Nimonic PE16 tubing is essential for high-temperature systems: * **Power Generation:** * **Heat exchanger tubes** * **Steam generator tubes** * **Boiler tubes** * **Turbine cooling systems** * **Feedwater heater tubes** * **Industrial Processing:** * **Heat treatment furnace components** * **Thermal oil system tubing** * **Chemical processing equipment** * **Reactor tubing** * **Process heater tubes** * **Aerospace & Gas Turbine:** * **Hydraulic and fuel lines** * **Lube oil systems** * **Secondary air systems** * **Auxiliary power unit systems** * **Nuclear Industry:** * **Nuclear fuel cladding** * **Reactor instrumentation tubes** * **Coolant system components** --- #### **7. International Standards** | Standard Type | Standard Number | Description | | :--- | :--- | :--- | | **Unified Numbering System** | **UNS N07115** | All product forms | | **ASTM** | **ASTM B622** | Standard Specification for Seamless Nickel and Nickel Alloy Tube | | **ASTM** | **ASTM B829** | Standard Specification for Seamless Nickel and Nickel Alloy Pipe and Tube | | **British Standard** | **BS 3075** | Nickel Alloy Tube Specifications | | **European** | **EN 10302** | Nickel and cobalt alloys | | **Werkstoff Nr.** | **2.4950** | Material number | | **ASME** | **SB-622** | ASME Code Case for pressure applications | --- #### **8. Fabrication & Quality Assurance** **Welding & Fabrication:** * **Welding Process:** GTAW (TIG) with matching filler wire * **Heat Treatment:** Solution and age treatment after welding * **Bending:** Minimum bend radius 2x OD for thin-walled tubes * **Forming:** Hot forming at 1000-1150°C recommended **Quality Assurance:** * Ultrasonic testing per ASTM A388 * Eddy current testing for surface defects * Hydrostatic testing to 1.5x design pressure * Dimensional verification * Surface finish inspection * Full traceability and certification --- **Summary** **Alloy PE16 Tube (Nimonic PE16, UNS N07115)** represents a cost-effective solution for high-temperature tubular applications where reliability and economic viability are important considerations. Its good creep strength and oxidation resistance at temperatures up to 700°C make it suitable for various industrial applications in power generation, petrochemical, nuclear, and processing industries. The tubing form maintains precise dimensional control and good surface quality while providing the balanced high-temperature properties that make Nimonic PE16 a practical choice for moderately demanding service conditions. Compliance with international standards including ASTM B622, BS 3075, and ASME specifications ensures consistent quality and performance for high-temperature applications. Proper fabrication techniques and comprehensive quality assurance ensure optimal performance throughout the service life of the components, making Nimonic PE16 tube an economical choice for engineers designing systems that must operate reliably under moderately high thermal conditions while maintaining cost-effectiveness and good manufacturability.

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 2174 gallon liquid totes Special package is available on request.