Alloy 600，Inconel 600 Bar(Round bar, Flat bar)，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 Bar (Round Bar, Flat Bar) / UNS N06600 – Nickel-Chromium-Iron Alloy Bar** **Product Overview** Inconel 600 Bar, available in both round and flat bar forms (UNS N06600), is a nickel-chromium-iron alloy that provides excellent resistance to high temperatures, oxidation, and corrosion. These bar products are specifically engineered for structural components, machining stock, and fabrication applications requiring reliable performance in aggressive environments and elevated temperature service up to 2000°F (1093°C). The combination of round and flat bar forms offers designers flexibility in creating components for aerospace, chemical processing, and heat treatment industries. --- **Chemical Composition (ASTM B166)** | 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 oxidation resistance.* --- **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 (Annealed Condition)** **Round Bar Properties** | 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 | **Flat Bar Properties** | Property | Hot Finished | Cold Finished | |-----------------------------|--------------|---------------| | **Tensile Strength** | 655–760 MPa | 620–690 MPa | | **Yield Strength (0.2% Offset)** | 310–415 MPa | 240–310 MPa | | **Elongation in 2"** | 30–40% | 35–45% | --- **Product Specifications & Available Forms** **Round Bar** - **Diameter Range**: 3 mm to 300 mm (1/8" to 12") - **Condition**: Hot finished, cold finished, centerless ground - **Tolerance**: ±0.1 mm for precision ground bars - **Length**: 3–6 meters (10–20 feet), cut to size available **Flat Bar** - **Thickness**: 3 mm to 150 mm (1/8" to 6") - **Width**: 10 mm to 300 mm (3/8" to 12") - **Condition**: Hot rolled, cold drawn, annealed - **Edge Types**: Square edges, rounded corners **Surface Conditions** - Hot rolled, annealed, and pickled - Cold drawn, annealed, and pickled - Centerless ground and polished - Turned and polished for precision applications --- **Key Characteristics & Advantages** 1. **Excellent High-Temperature Strength** – Maintains structural integrity up to 2000°F (1093°C) 2. **Superior Corrosion Resistance** – Excellent performance in oxidizing and reducing environments 3. **Outstanding Oxidation Resistance** – Forms protective chromium oxide scale at high temperatures 4. **Resistance to Chloride Stress Corrosion Cracking** – Superior to stainless steels in chloride environments 5. **Good Fabricability** – Can be machined, welded, and formed using standard methods 6. **Non-Magnetic Properties** – Suitable for electronic and sensitive applications 7. **Cryogenic Toughness** – Maintains mechanical properties at sub-zero temperatures --- **Product Applications** **Aerospace & Defense** - Jet engine mounting components - Rocket motor structural members - Aircraft frame structures - Missile guidance system mounts - Turbine support structures **Chemical Processing** - Reactor support beams - Pump and valve bodies - Mixer and agitator shafts - Heat exchanger structural members - Column and vessel supports **Heat Treatment Industry** - Furnace roller rails and supports - Retort structural frames - Basket and fixture components - Heat treatment conveyor parts - High-temperature fasteners **Nuclear Applications** - Reactor core structural components - Fuel handling equipment - Control rod drive mechanisms - Radiation shield supports - Nuclear waste processing equipment **General Industrial** - Fastener manufacturing stock - Spring components - Machined parts for corrosive service - Structural supports in aggressive environments - Marine component fabrication --- **International Standards** | Standard Type | Standard Number | Specification | |---------------|-----------------|---------------| | **UNS** | **N06600** | Unified Numbering System | | **ASTM** | B166 | Nickel-Chromium-Iron Alloy Rod and Bar | | **ASME** | SB166 | Boiler and Pressure Vessel Code | | **AMS** | 5665 | Aerospace Material Specification – Bar | | **DIN** | 2.4816 | German Standard – Round and Flat Bar | | **EN** | NiCr15Fe | European Standard | | **JIS** | NCF 600 | Japanese Industrial Standard | | **GOST** | ХН60ВТ | Russian Standard | --- **Machining & Fabrication Guidelines** **Machining Parameters** - **Cutting Speed**: 20–35 m/min (65–115 SFM) for turning - **Feed Rate**: 0.15–0.25 mm/rev (0.006–0.010 IPR) - **Depth of Cut**: 2–4 mm (0.080–0.160 inches) - **Tool Material**: Carbide or high-speed steel with positive rake - **Coolant**: Sulfur-free cutting fluids recommended **Welding Characteristics** - **Weldability**: Excellent using matching filler metals - **Methods**: GTAW, GMAW, SMAW - **Filler Metals**: ENiCrFe-2, ENiCrFe-3 - **Preheat**: Not required - **Post-Weld Heat Treatment**: Generally not necessary **Forming Operations** - **Hot Working Temperature**: 1600–2250°F (870–1230°C) - **Cold Working**: Good capability with intermediate annealing at 1600–1950°F (870–1065°C) - **Annealing**: 1600–1950°F (870–1065°C), rapid cool --- **Heat Treatment** **Solution Annealing** - **Temperature**: 1600–1950°F (870–1065°C) - **Time**: 1 hour per inch of thickness 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**: 1–2 hours 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 (Rockwell B) - Macroetch examination - Dimensional verification **Non-Destructive Testing** - Ultrasonic testing per ASTM A388 - Liquid penetrant examination - Magnetic particle testing (when applicable) **Certification** - Mill Test Certificates per EN 10204 3.1 - Chemical analysis certificates - Mechanical test reports - Heat treatment records - NDE reports as specified --- **Corrosion Resistance** **Excellent Performance In** - Fresh and sea water environments - Neutral and alkaline salt solutions - Chloride stress corrosion cracking conditions - Oxidizing atmospheres up to 2000°F (1093°C) - Carburizing environments **Good Resistance To** - Nitric acid across various concentrations - Phosphoric acid solutions - Organic compounds and acids - Alkaline solutions and hydroxides --- **Packaging & Handling** **Standard Packaging** - Wooden crates with protective coating - Plastic end caps for thread protection - Weather-proof wrapping material - Clear identification and heat number labeling **Storage & Handling** - Store in clean, dry conditions - Protect from carbon steel contamination - Use separate storage from copper alloys - Employ proper lifting equipment for heavy sections --- **Conclusion** Inconel 600 Bar in round and flat forms (UNS N06600) offers an outstanding combination of high-temperature strength, excellent corrosion resistance, and versatile fabrication characteristics. The availability in both round and flat bar configurations provides engineers and manufacturers with flexible solutions for structural components, machining stock, and fabricated assemblies across aerospace, chemical processing, nuclear, and heat treatment industries. With comprehensive international standardization and proven performance in demanding environments, Inconel 600 bar products continue to be the material of choice for applications requiring reliability in corrosive and high-temperature service conditions.

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 1717 gallon liquid totes Special package is available on request.