Alloy 600，Inconel 600 Pipe，UNS N06600，EFORU

British Specs:BS 3072 BS 3073 BS 3074 BS 3075 BS 3076 NA14，American Specs:AMS 5580 (Tube *) AMS 5540 Sheet, Strip and Plate AMS 5665 Bar and Forgings AMS 5687 Wire QQ-W-390，German Specs:WS 2.4816,AFNOR NC15Fe

### **Alloy 600 / Inconel 600 Pipe / UNS N06600 – Nickel-Chromium-Iron Alloy Pipe** **Product Overview** Inconel 600 Pipe (UNS N06600) is a nickel-chromium-iron alloy piping product designed for applications requiring exceptional corrosion resistance and high-temperature strength. This seamless or welded pipe offers excellent performance in aggressive chemical environments, high-temperature processing, and pressure applications up to 2000°F (1093°C). Its superior resistance to oxidation, chloride stress corrosion cracking, and carburization makes it ideal for chemical processing, heat treatment, and nuclear industries. --- **Chemical Composition (ASTM B167 / ASTM B517)** | Element | Content (%) | |----------------|----------------| | **Nickel (Ni)** | 72.0 min | | **Chromium (Cr)**| 14.0–17.0 | | **Iron (Fe)** | 6.0–10.0 | | **Manganese (Mn)**| 1.0 max | | **Copper (Cu)** | 0.5 max | | **Carbon (C)** | 0.15 max | | **Silicon (Si)** | 0.5 max | | **Sulfur (S)** | 0.015 max | *The balanced composition provides exceptional resistance to both oxidizing and reducing environments while maintaining structural integrity at elevated temperatures.* --- **Physical Properties** | Property | Value | |-------------------------------|---------------------------------| | **Density** | 8.47 g/cm³ (0.306 lb/in³) | | **Melting Range** | 1354–1413°C (2470–2575°F) | | **Electrical Resistivity** | 103 μΩ·cm (at 21°C) | | **Thermal Conductivity** | 14.9 W/m·K (at 100°C) | | **Mean Coefficient of Thermal Expansion** | 13.3 μm/m·°C (20–100°C) | | **Modulus of Elasticity** | 214 GPa (31,000 ksi) | | **Magnetic Permeability** | <1.01 (Essentially non-magnetic)| --- **Mechanical Properties (Pipe – Annealed Condition)** | Property | Room Temperature | 1000°F (538°C) | 1200°F (649°C) | |-----------------------------|------------------|----------------|----------------| | **Tensile Strength** | 620 MPa (90 ksi) | 520 MPa (75 ksi)| 450 MPa (65 ksi)| | **Yield Strength (0.2% Offset)** | 240 MPa (35 ksi) | 195 MPa (28 ksi)| 170 MPa (25 ksi)| | **Elongation in 2"** | 40% | 35% | 30% | | **Hardness** | 70 HRB | 65 HRB | 60 HRB | **Pressure Ratings** - **Schedule 5S**: 150 psi at 1000°F (538°C) - **Schedule 10S**: 300 psi at 1000°F (538°C) - **Schedule 40**: 600 psi at 1000°F (538°C) --- **Pipe Specifications & Available Forms** **Pipe Types** - Seamless pipe (ASTM B167) - Welded pipe (ASTM B517) - Heat exchanger tubes - Condenser tubes - Instrumentation tubing **Size Ranges** - **Nominal Pipe Size**: 1/8" to 24" NPS - **Wall Thickness**: Schedule 5S to XXS - **Length**: Random (18–24 feet), double random, cut to length **Standard Specifications** - **Seamless Pipe**: ASTM B167, ASME SB167 - **Welded Pipe**: ASTM B517, ASME SB517 - **Dimensions**: ASME B36.19M, ASME B36.10M --- **Key Characteristics & Advantages** 1. **Excellent High-Temperature Strength** – Maintains mechanical properties up to 2000°F (1093°C) 2. **Superior Corrosion Resistance** – Outstanding performance in oxidizing and reducing environments 3. **Chloride Stress Corrosion Cracking Resistance** – Superior to stainless steels in chloride-containing environments 4. **Oxidation and Carburization Resistance** – Excellent performance in high-temperature atmospheres 5. **Good Fabricability** – Can be welded, bent, and formed using standard techniques 6. **Non-Magnetic Properties** – Suitable for electronic and sensitive applications 7. **Cryogenic Toughness** – Maintains ductility and impact strength at sub-zero temperatures --- **Product Applications** **Chemical Processing** - Acid and chemical transfer lines - Reactor feed and discharge piping - Process instrumentation lines - Corrosive fluid handling systems - Chemical injection piping **Heat Treatment Industry** - Furnace atmosphere piping - Retort and muffle systems - Heat treatment gas supply lines - Thermal processing exhaust systems - High-temperature fluid transfer lines **Nuclear Industry** - Steam generator tubing - Reactor coolant piping - Nuclear waste processing lines - Radiation monitoring systems - Decontamination system piping **Aerospace & Defense** - Hydraulic system tubing - Fuel system components - Engine bleed air systems - Environmental control systems - Instrumentation and sensing lines **Power Generation** - Boiler feedwater systems - Superheater and reheater tubing - Condenser and heat exchanger tubes - Steam sampling systems - Cooling water piping --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06600** | Unified Numbering System | | **ASTM** | B167 | Nickel-Chromium-Iron Alloy Seamless Pipe and Tube | | **ASTM** | B517 | Welded Nickel-Chromium-Iron Alloy Pipe | | **ASME** | SB167 | Boiler and Pressure Vessel Code | | **ASME** | SB517 | Boiler and Pressure Vessel Code | | **ASTM** | B163 | Seamless Condenser and Heat-Exchanger Tubes | | **DIN** | 2.4816 | German Standard | | **EN** | NiCr15Fe | European Standard | --- **Fabrication & Installation** **Welding Procedures** - **Preferred Methods**: GTAW (TIG), GMAW (MIG) - **Filler Metals**: ENiCrFe-2, ENiCrFe-3 - **Preheating**: Not required - **Post-Weld Heat Treatment**: Generally not necessary - **Shielding Gas**: Argon or argon-helium mixtures **Bending & Forming** - **Cold Bending**: Minimum bend radius 3x OD - **Hot Bending**: 1600–2250°F (870–1230°C) - **Tube Expansion**: Good capability for roller expansion - **Flaring**: Standard 37° flare connections **Installation Guidelines** - **Support Spacing**: Standard carbon steel spacing - **Thermal Expansion**: 13.3 μm/m·°C (20–100°C) - **Gasket Materials**: Compatible with spiral wound and ring-type joints - **Bolt Materials**: Use matching or compatible alloy fasteners --- **Heat Treatment** **Solution Annealing** - **Temperature**: 1600–1950°F (870–1065°C) - **Time**: 30 minutes minimum - **Cooling**: Rapid air cool or water quench - **Atmosphere**: Bright annealing for scale-free surface **Stress Relieving** - **Temperature**: 1100–1400°F (595–760°C) - **Time**: 1 hour per inch of thickness - **Cooling**: Air cool to room temperature --- **Quality Assurance & Testing** **Standard Testing** - Chemical analysis verification - Tensile testing at room temperature - Hardness testing - Flattening test - Flaring test - Hydrostatic or pneumatic testing **Non-Destructive Testing** - Ultrasonic testing per ASTM A450 - Eddy current testing - Liquid penetrant examination - Radiographic examination (welded pipe) **Certification Requirements** - Mill Test Certificates per EN 10204 3.1 - Chemical analysis certificates - Mechanical test reports - Hydrostatic test reports - NDE reports as specified --- **Corrosion Resistance Performance** **Excellent Resistance To** - Fresh and sea water corrosion - Chloride stress corrosion cracking - Oxidation up to 2000°F (1093°C) - Carburizing atmospheres - Neutral and alkaline salt solutions **Good Resistance To** - Nitric acid at all concentrations - Phosphoric acid solutions - Organic acids and compounds - Caustic alkaline solutions - High-temperature sulfur environments --- **Pressure-Temperature Ratings** **ASME B31.3 Ratings (Example)** - **500°F (260°C)**: 1420 psi (Schedule 40) - **800°F (427°C)**: 1040 psi (Schedule 40) - **1000°F (538°C)**: 830 psi (Schedule 40) - **1200°F (649°C)**: 600 psi (Schedule 40) --- **Packaging & Handling** **Standard Packaging** - Plastic end caps for protection - Wooden crates or steel bundles - Weather-proof wrapping - Clear identification labeling **Storage & Handling** - Store in clean, dry conditions - Protect from mechanical damage - Keep original packaging until installation - Use proper lifting equipment --- **Conclusion** Inconel 600 Pipe (UNS N06600) provides an exceptional combination of high-temperature strength, outstanding corrosion resistance, and reliable performance in pressure applications. Its superior resistance to chloride stress corrosion cracking, oxidation, and carburization makes it ideal for chemical processing, heat treatment, nuclear, and power generation industries. Available in both seamless and welded forms with comprehensive international certification, Inconel 600 pipe offers engineers and designers a trusted solution for demanding piping applications where reliability and longevity 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 1718 gallon liquid totes Special package is available on request.