Alloy 450,Monel 450 Pipe,,E FORU

British Specs:，American Specs:，German Specs:

### **Product Introduction: Alloy 400 / Monel 400 Pipe** **Alloy 400**, also commonly known by the trade name **Monel® 400**, is a nickel-copper alloy renowned for its exceptional resistance to a wide range of corrosive environments. It exhibits high strength and toughness over a broad temperature spectrum, from cryogenic levels to approximately 540°C (1000°F). Monel 400 pipes are engineered to deliver superior performance in demanding applications where reliability and longevity are critical, particularly in marine, chemical, and hydrocarbon processing industries. --- #### **Key Features & Advantages** * **Excellent Corrosion Resistance:** Superior performance in seawater, hydrofluoric acid, alkalies, sulfuric and hydrochloric acids under reducing conditions. * **High Strength & Toughness:** Maintains excellent mechanical properties from sub-zero to elevated temperatures. * **Good Fabricability:** Can be readily welded, brazed, and soldered using standard techniques. * **Low Corrosion Rate in Flowing Seawater:** Highly resistant to chloride-induced stress corrosion cracking and erosion-corrosion. --- #### **Chemical Composition (Typical % Weight, UNS N04400)** | Element | Nickel (Ni) | Copper (Cu) | Iron (Fe) | Manganese (Mn) | Carbon (C) | Silicon (Si) | Sulfur (S) | | :--- | :---: | :---: | :---: | :---: | :---: | :---: | :---: | | **Content** | **63.0 min** | **28.0 - 34.0** | 2.5 max | 2.0 max | 0.3 max | 0.5 max | 0.024 max | *Note: Monel is a registered trademark of Special Metals Corporation. Alloy 400 is the generic name for UNS N04400.* --- #### **Physical Properties** | Property | Metric Units | Imperial Units | | :--- | :--- | :--- | | **Density** | 8.80 g/cm³ | 0.318 lb/in³ | | **Melting Point** | 1350 °C | 2460 °F | | **Specific Heat** | 427 J/kg·K | 0.102 Btu/lb·°F | | **Thermal Conductivity** | 21.8 W/m·K | 151 Btu·in/hr·ft²·°F | | **Electrical Resistivity** | 51.0 μΩ·cm | 20.1 μΩ·in | | **Magnetic Response** | Essentially non-magnetic | Essentially non-magnetic | --- #### **Mechanical Properties (Typical for Annealed Condition)** | Property | Metric Units | Imperial Units | | :--- | :--- | :--- | | **Tensile Strength** | 480 - 620 MPa | 70 - 90 ksi | | **Yield Strength (0.2% Offset)** | 170 - 345 MPa | 25 - 50 ksi | | **Elongation (in 50mm)** | 35 - 50 % | 35 - 50 % | | **Hardness (Rockwell B)** | 65 - 85 HRB | 65 - 85 HRB | --- #### **International Standards** Alloy 400 / Monel 400 pipes are manufactured to meet various international standards to ensure quality and interchangeability. | Standard Type | Standard Number | Specification | | :--- | :--- | :--- | | **Material Standard** | ASTM B165 | Standard Specification for Nickel-Copper Alloy (UNS N04400) Seamless Pipe and Tube | | **Material Standard** | ASME SB165 | Equivalent to ASTM B165 for ASME Boiler and Pressure Vessel Code applications. | | **Dimensions** | ASTM B730 / B751 | Standard for Welded and Seamless Pipe (dimensional standards). | | **Dimensions** | ASME B36.19M | Stainless Steel and Nickel Alloy Pipe (common dimensional standard). | | **European Standard** | DIN 17760 | Material specification for NiCu30Fe (Alloy 400). | | **European Standard** | EN 10095 | For heat-resisting alloys and nickel alloys. | --- #### **Product Applications** Monel 400 pipes are the material of choice in highly corrosive service across multiple industries: * **Marine Engineering:** * Seawater piping systems * Heat exchanger condenser tubes * Pump shafts and valve components * Brine heaters and evaporators * **Oil & Gas and Chemical Processing:** * Process piping in hydrocarbon and chemical plants * Equipment handling hydrofluoric acid (HF) * Alkylation and distillation units * Crude oil distillation column internals * **Power Generation:** * Feedwater heaters in fossil fuel and nuclear plants * Flue gas desulfurization systems * **Other Applications:** * Marine fixtures and fasteners * Gasoline and freshwater tanks * Process equipment for producing specialty chemicals --- #### **Available Forms & Specifications** Our Alloy 400 pipes are available in a wide range of sizes, schedules (wall thicknesses), and conditions to meet your specific project requirements. * **Types:** Seamless Pipe (SMLS) & Welded Pipe. * **Sizes:** From 1/8" NPS to 24" NPS and larger. * **Schedules:** SCH 5S, 10S, 40S, 80S, 160, XXS, and custom wall thicknesses. * **Condition:** Annealed, Solution Annealed, Pickled. **Conclusion** Alloy 400 / Monel 400 pipe offers an unmatched combination of corrosion resistance, strength, and durability for the most challenging industrial environments. Its proven performance in critical applications makes it a reliable and cost-effective long-term solution for engineers and designers worldwide. **Contact us today to discuss your specific requirements and receive a competitive quotation.** --- ***Disclaimer:*** *The information provided is for reference purposes. Properties may vary based on manufacturing process, heat treatment, and size. Users should consult the relevant material standards and conduct their own tests to verify suitability for a specific application. "Monel" is a trademark of Special Metals Corporation group of companies.*

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 2953 gallon liquid totes Special package is available on request.