Alloy 600，Inconel 600 Tube，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 Tube / UNS N06600 – Nickel-Chromium-Iron Alloy Tube** **Product Overview** Inconel 600 Tube (UNS N06600) is a nickel-chromium-iron alloy tubing product engineered for applications demanding exceptional corrosion resistance, high-temperature strength, and reliable performance in pressure systems. This versatile tubing material maintains excellent mechanical properties from cryogenic temperatures up to 2000°F (1093°C) and offers superior resistance to oxidation, chloride stress corrosion cracking, and carburization, making it ideal for heat exchangers, condensers, and high-temperature processing equipment. --- **Chemical Composition (ASTM B163 / ASTM B167)** | 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 high nickel content ensures resistance to chloride stress corrosion cracking, while chromium provides exceptional oxidation resistance at high 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 (Tube – Annealed Condition)** | Property | Room Temperature | 1000°F (538°C) | 1500°F (816°C) | |-----------------------------|------------------|----------------|----------------| | **Tensile Strength** | 620 MPa (90 ksi) | 520 MPa (75 ksi)| 240 MPa (35 ksi)| | **Yield Strength (0.2% Offset)** | 240 MPa (35 ksi) | 195 MPa (28 ksi)| 110 MPa (16 ksi)| | **Elongation in 2"** | 40% | 35% | 45% | | **Hardness** | 70 HRB | 65 HRB | 55 HRB | | **Collapse Strength** | Excellent | Good | Fair | --- **Tube Specifications & Available Forms** **Tube Types** - Seamless heat exchanger tubes (ASTM B163) - Welded and drawn tubes - Condenser tubes - Instrumentation tubes - Mechanical tubing - Hydraulic line tubing **Size Ranges** - **Outer Diameter**: 1/8" to 4" (3.2 mm to 101.6 mm) - **Wall Thickness**: 0.015" to 0.250" (0.38 mm to 6.35 mm) - **Length**: Up to 50 feet (15 meters) continuous length **Tolerances** - **OD Tolerance**: ±0.005" for precision tubes - **Wall Tolerance**: ±10% standard, ±5% special - **Straightness**: 0.015" per foot maximum --- **Key Characteristics & Advantages** 1. **Excellent High-Temperature Strength** – Maintains mechanical properties up to 2000°F (1093°C) 2. **Superior Corrosion Resistance** – Outstanding performance in both 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 bent, expanded, and welded using standard techniques 6. **Non-Magnetic Properties** – Essential for electronic and instrument applications 7. **Excellent Heat Transfer Characteristics** – Good thermal conductivity for efficient heat exchange --- **Product Applications** **Heat Exchangers & Condensers** - Surface condenser tubes - Heat exchanger U-tubes - Feedwater heater tubes - Evaporator and reboiler tubes - Process heat recovery units **Chemical Processing** - Reactor cooling coils - Heat exchanger tubing - Process fluid transport - Chemical injection lines - Corrosive service tubing **Nuclear Industry** - Steam generator tubing - Nuclear reactor components - Fuel rod cladding - Control rod drive mechanisms - Radioactive waste processing **Aerospace & Defense** - Hydraulic system tubing - Instrumentation lines - Fuel system components - Engine bleed air systems - Environmental control systems **Power Generation** - Boiler tubes - Superheater and reheater tubes - Condenser tubing - Steam sampling lines - Cooling water systems --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06600** | Unified Numbering System | | **ASTM** | B163 | Seamless Condenser and Heat-Exchanger Tubes | | **ASTM** | B167 | Nickel-Chromium-Iron Alloy Seamless Pipe and Tube | | **ASTM** | B516 | Welded Nickel-Chromium-Iron Alloy Tubes | | **ASME** | SB163 | Boiler and Pressure Vessel Code | | **ASME** | SB167 | Boiler and Pressure Vessel Code | | **DIN** | 2.4816 | German Standard | | **EN** | NiCr15Fe | European Standard | --- **Fabrication & Installation** **Tube Expansion** - **Roller Expansion**: Excellent capability for tube rolling - **Expansion Limits**: Maximum 8% wall reduction - **Lubrication**: Use suitable tube rolling compounds - **Quality Control**: Mandatory pull-out force testing **Bending & Forming** - **Cold Bending**: Minimum bend radius 2x OD - **Hot Bending**: 1600–2250°F (870–1230°C) - **Bend Quality**: Smooth inner surface maintained - **Springback**: Approximately 2–3° compensation required **Welding & Joining** - **Preferred Methods**: GTAW (TIG), orbital welding - **Filler Metals**: ENiCrFe-2, ENiCrFe-3 - **Joint Preparation**: Precision machining required - **Quality Assurance**: 100% radiographic examination --- **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** - Hydrostatic or pneumatic testing - Eddy current testing - Ultrasonic examination - Flattening test - Flaring test - Hardness testing **Non-Destructive Examination** - **Visual Inspection**: 100% surface examination - **Dimensional Verification**: OD, wall thickness, length - **Surface Quality**: Free from defects and contamination - **Certification**: Mill test certificates per EN 10204 3.1 **Special Testing** - **Intergranular Corrosion Test**: ASTM A262 Practice E - **Microstructure Examination**: Grain size assessment - **Pressure Testing**: Per ASME Section I or VIII requirements --- **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 steam --- **Technical Specifications** **Heat Exchanger Tube Standards** - **TEMA Standards**: Class R, C, and B - **HEI Standards**: Heat Exchange Institute requirements - **API Standards**: API 660, API 661 - **AWWA Standards**: Water treatment applications **Pressure Ratings** - **ASME Section I**: Power boiler applications - **ASME Section VIII**: Pressure vessel requirements - **ASTM Standards**: Material specifications - **Customer Specifications**: Custom requirements --- **Packaging & Handling** **Standard Packaging** - Individual plastic end caps - Wooden crates with separators - Weather-proof wrapping - Clear identification labeling **Special Packaging** - VCI (Vapor Corrosion Inhibitor) paper - Desiccant packs for moisture protection - Custom packaging for international shipment - Certified clean for nuclear applications --- **Conclusion** Inconel 600 Tube (UNS N06600) provides an outstanding combination of high-temperature strength, exceptional corrosion resistance, and reliable performance in heat transfer and pressure applications. Its superior resistance to chloride stress corrosion cracking, oxidation, and carburization makes it ideal for heat exchangers, condensers, nuclear components, and high-temperature processing equipment. Available in both seamless and welded forms with comprehensive international certification, Inconel 600 tube offers engineers and designers a trusted solution for demanding applications where reliability, safety, and longevity are paramount 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 1719 gallon liquid totes Special package is available on request.