Amperit 250.071,NiCr 80-20，1

### Technical Datasheet: Amperit® 250.071 NiCr 80/20 Thermal Spray Powder **Classification:** Nickel-Chromium Alloy Thermal Spray Powder **Chemical Designation:** NiCr 80/20 (80% Nickel, 20% Chromium) **Manufacturer:** Höganäs AB --- #### 1.0 Introduction **Amperit® 250.071** is a premium nickel-chromium (80/20) thermal spray powder specifically designed for high-performance coating applications. This gas-atomized powder features spherical particles that ensure excellent flow characteristics and consistent feeding behavior. The NiCr 80/20 composition provides **outstanding oxidation resistance, excellent corrosion protection, and superior high-temperature performance**, making it ideal for demanding industrial environments. --- #### 2.0 Chemical Composition (Weight %) | Element | Minimum | Maximum | Typical Value | |---------|---------|---------|---------------| | **Nickel (Ni)** | 75.0 | Balance | 79.5 | | **Chromium (Cr)** | 19.0 | 21.0 | 20.0 | | **Iron (Fe)** | - | 0.5 | 0.2 | | **Manganese (Mn)** | - | 0.5 | 0.1 | | **Silicon (Si)** | - | 0.5 | 0.2 | | **Carbon (C)** | - | 0.05 | 0.02 | | **Sulfur (S)** | - | 0.015 | 0.005 | | **Other Elements** | - | 0.5 | 0.1 | *The balanced NiCr composition provides optimal high-temperature properties* --- #### 3.0 Physical Properties | Property | Specification | Test Method | |----------|---------------|-------------| | **Theoretical Density** | 8.30 g/cm³ | ASTM B923 | | **Apparent Density** | 4.4-4.9 g/cm³ | ISO 3923-1 | | **Particle Shape** | Spherical | SEM Analysis | | **Melting Point** | 1390-1420°C | - | | **Flow Rate** | ≤ 26 s/50g | ISO 4490 | | **Particle Size Distribution** | -45 +11 μm | Laser Diffraction | --- #### 4.0 Particle Characteristics **4.1 Size Distribution:** - **Standard Grade**: -45 +11 μm - **Alternative Sizes**: -53 +15 μm, -75 +45 μm - **Particle Morphology**: Spherical with smooth surface - **Satellite Content**: Minimal **4.2 Quality Features:** - Excellent batch-to-batch consistency - High purity raw materials - Controlled particle size distribution - Optimal flow characteristics --- #### 5.0 Coating Properties & Performance **5.1 Coating Characteristics:** - **Microhardness**: 180-250 HV₀.₃ - **Bond Strength**: >60 MPa - **Porosity**: <3% - **Deposition Efficiency**: >90% - **Oxidation Resistance**: Excellent up to 1100°C **5.2 Functional Properties:** - Outstanding high-temperature oxidation resistance - Excellent corrosion resistance in various media - Good thermal stability - Superior hot corrosion protection - Excellent electrical resistance properties --- #### 6.0 Applications **6.1 High-Temperature Protection:** - Gas turbine components - Heat treatment furnace parts - Engine exhaust systems - Boiler tube protection - Heat exchanger surfaces **6.2 Corrosion Protection:** - Chemical processing equipment - Power generation components - Marine environments - Petrochemical industry - Incinerator components **6.3 Special Applications:** - Bond coat for thermal barrier coatings (TBCs) - Electrical resistance heating elements - Anti-corrosion coatings in aggressive environments - Repair of high-temperature components --- #### 7.0 Thermal Spray Parameters **Recommended Spray Processes:** **7.1 Atmospheric Plasma Spray (APS):** - Power: 35-55 kW - Primary Gas: Argon, 40-60 SLPM - Secondary Gas: Hydrogen, 8-12 SLPM - Spray Distance: 100-130 mm - Powder Feed Rate: 40-60 g/min **7.2 High Velocity Oxygen Fuel (HVOF):** - Fuel Gas: Kerosene/Propylene - Oxygen Flow: 250-400 SLPM - Spray Distance: 200-280 mm - Carrier Gas: Nitrogen, 10-15 SLPM **7.3 Vacuum Plasma Spray (VPS):** - Chamber Pressure: 50-200 mbar - Power: 40-60 kW - Spray Distance: 250-350 mm --- #### 8.0 Quality Standards & Certifications **International Standards Compliance:** | Standard Category | Standard Number | Description | |-------------------|-----------------|-------------| | **Material Specification** | ASTM B833 | Thermal Spray Powder Specification | | **Powder Characterization** | ISO 14232 | Thermal Spray Powder Testing | | **Coating Quality** | ASTM C633 | Adhesion Strength Testing | | **Chemical Analysis** | ASTM E1473 | Instrumental Analysis | | **Quality Management** | ISO 9001:2015 | Quality Management System | **Industry Approvals:** - Aerospace specifications - Power generation industry standards - Chemical processing industry approvals - Automotive industry certifications --- #### 9.0 Health, Safety & Handling **Safety Precautions:** - Use appropriate respiratory protection - Ensure adequate ventilation - Wear protective gloves and eyewear - Avoid skin contact and inhalation **Storage Conditions:** - Store in original sealed containers - Keep in dry, cool environment - Maintain temperature below 25°C - Protect from moisture and contamination **Regulatory Compliance:** - REACH compliant - RoHS compliant - OSHA standards compliant - International shipping regulations --- **Note:** Amperit® is a registered trademark of Höganäs AB. This NiCr 80/20 thermal spray powder delivers consistent, high-quality coatings with excellent high-temperature performance and corrosion resistance. Technical specifications may be adjusted based on specific customer requirements and application needs. Always refer to the latest technical data sheet and material safety data sheet provided by the manufacturer.

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 3278 gallon liquid totes Special package is available on request.