High Temp Alloys - Plus Metals

HIGH TEMP ALLOYS

HAYNES 188

HAYNES 188 is a nickel-chromium-cobalt-based superalloy designed for excellent oxidation and corrosion resistance at high temperatures. It is commonly used in aerospace and industrial applications where high performance is critical.

Composition
  • Carbon (C): Min 0.05%, Max 0.15%
  • Manganese (Mn): Max 1.25%
  • Phosphorus (P): Max 0.02%
  • Sulfur (S): Max 0.02%
  • Silicon (Si): Min 0.20%, Max 0.50%
  • Chromium (Cr): Min 20.0%, Max 24.0%
  • Nickel (Ni): Min 20.0%, Max 24.0%
  • Cobalt (Co): Min 39%
  • Boron (B): Max 0.015%
  • Iron (Fe): Max 3.00%
  • Tungsten (W): Min 13.0%, Max 16.0%
  • Lanthanum (La): Min 0.03%, Min 0.12%
Properties
  • Density: Approximately 8.6 g/cm³.
  • Thermal Conductivity: ~13 W/m·K.
  • Tensile Strength: Excellent tensile strength at high temperatures.
  • Oxidation Resistance: Superior resistance to oxidation and carburization.
Applications
  • HAYNES 188 is extensively used in aerospace applications for components such as turbine blades, exhaust systems, and other parts where high-temperature strength and oxidation resistance are crucial.
Advantages
  • Excellent High-Temperature Strength: Maintains mechanical properties at elevated temperatures.
  • Superior Oxidation Resistance: Performs well in oxidizing environments.
Limitations
  • Cost: High cost due to the alloy's composition.
  • Machinability: Can be difficult to machine due to its hardness.

L605

L605 is a cobalt-based alloy known for its excellent high-temperature strength and corrosion resistance. It is used in applications requiring superior performance in harsh environments.

Composition
  • Carbon (C): Min 0.10%, Max 0.15%
  • Manganese (Mn): Min 1.50%
  • Phosphorus (P): Max 0.040%
  • Sulfur (S): Max 0.030%
  • Silicon (Si): Max 0.40%
  • Chromium (Cr): Min 20.00%
  • Nickel (Ni): Min 10.00%
  • Iron (Fe): Max 3.00%
  • Tungsten (W): Min 15.00%
Properties
  • Density: Approximately 9.14 g/cm³.
  • Thermal Conductivity: ~14 W/m·K.
  • Tensile Strength: High tensile strength, particularly at elevated temperatures.
  • Oxidation Resistance: Excellent resistance to oxidation and carburization.
Applications
  • L605 is extensively used in aerospace applications for components such as turbine blades, nozzles, and other parts exposed to high temperatures and wear.
Advantages
  • High Temperature Strength: Maintains strength under extreme temperatures.
  • Corrosion Resistance: Excellent performance in corrosive environments.
Limitations
  • Cost: High cost due to cobalt content and complex processing.
  • Machinability: Challenging to machine due to hardness.

MP35N

MP35N is a cobalt-based alloy known for its excellent combination of high strength, ductility, and corrosion resistance. It is used in demanding applications including aerospace, medical devices, and chemical processing.

Composition
  • Carbon (C): Max 0.02%
  • Manganese (Mn): Max 0.15%
  • Silicon (Si): Max 0.015%
  • Phosphorus (P): Max 0.015%
  • Sulfur (S): Max 0.010%
  • Chromium (Cr): Min 19.00%, Max 21.00%
  • Molybdenum (Mo): Min 9.00%, Max 10.50%
  • Cobalt (Co): Balance
  • Boron (B): Min 0.010%
  • Nickel (Ni): Min 33.00%, Max 37.00%
  • Iron (Fe): Max 1.00%
Properties
  • Density: Approximately 8.6 g/cm³.
  • Thermal Conductivity: ~12 W/m·K.
  • Tensile Strength: Excellent tensile strength and hardness.
  • Corrosion Resistance: Excellent resistance to a variety of corrosive environments.
Applications
  • MP35N is used in aerospace for components such as turbine blades and fasteners, where its strength and corrosion resistance are critical.
Advantages
  • High Strength: Offers a high strength-to-weight ratio.
  • Corrosion and Fatigue Resistance: Performs well under severe conditions.
Limitations
  • Cost: Higher cost due to the alloy's composition and processing.
  • Machinability: Can be challenging to machine due to its hardness.

MP159

MP159 is a high-performance nickel-cobalt-chromium alloy known for its superior strength, hardness, and resistance to oxidation and corrosion. It is ideal for high-temperature applications in aerospace and industrial settings.

Composition
  • Cobalt (Co): Max 36.00%
  • Molybdenum (Mo): Max 7.00%
  • Titanium (Ti): Max 3.00%
  • Chromium (Cr): Max 19.00%
  • Aluminum (Al): Max 0.20%
  • Nickel (Ni): Max 25.00%
  • Iron (Fe): Max 9.00%
  • Niobium (Nb): Max 0.60%
Properties
  • Density: Approximately 8.6 g/cm³.
  • Thermal Conductivity: ~12 W/m·K.
  • Tensile Strength: High tensile strength at elevated temperatures.
  • Oxidation Resistance: Excellent resistance to high-temperature oxidation.
Applications
  • The MP159 fasteners are reliable equipment that can be affixed to connect two pieces of equipment. MP159 Fasteners are common in manufacturing units, the medical sector, valve components, chemical processing, and marine equipment. They are also seen in jet engines, power generation, landing gears, rocket boosters, etc.
Advantages
  • High Strength and Hardness: Maintains exceptional mechanical properties at high temperatures.
  • Oxidation and Corrosion Resistance: Performs well in aggressive environments.
Limitations
  • Cost: Relatively high due to the complex alloy composition.
  • Machinability: Challenging to machine due to its hardness.

RENE41

RENE41 is a high-strength nickel-based superalloy known for its excellent mechanical properties and resistance to high temperatures. It is widely used in aerospace and high-performance applications where strength and stability are crucial.

Composition
  • Cobalt (Co): Min 10.00%, Max 12.00%
  • Molybdenum (Mo): Min 9.00%, Max 10.50%
  • Titanium (Ti): Min 3.00%, Max 3.30%
  • Chromium (Cr): Min 18.00%, Max 20.00%
  • Aluminum (Al): Min 1.40%, Max 1.80%
  • Nickel (Ni): Balance
  • Iron (Fe): Max 5.00%
  • Manganese (Mn): Max 0.10%
  • Silicon (Si): Max 0.50%
  • Sulfur (S): Max 0.015%
  • Copper (Cu): Max 0.50%
Properties
  • Density: Approximately 8.6 g/cm³.
  • Thermal Conductivity: ~11 W/m·K.
  • Tensile Strength: Exceptional tensile strength and stability at high temperatures.
  • Oxidation Resistance: Good resistance to oxidation and high-temperature degradation.
Applications
  • Hot jet engine components
  • Missile components
  • Bolting
  • Springs
Advantages
  • High Strength: Maintains excellent mechanical properties at elevated temperatures.
  • Good Oxidation Resistance: Performs well under high-temperature oxidative conditions.
Limitations
  • Cost: High due to alloy composition and processing.
  • Machinability: Can be difficult to machine because of its hardness.

HAYNES 230

HAYNES 230 is a nickel-chromium-based superalloy known for its excellent oxidation resistance and high-temperature strength. It is used in applications such as industrial gas turbines and aerospace components where high performance and reliability are needed.

Composition
  • Carbon (C): Min 0.05%, Max 0.15%
  • Manganese (Mn): Min 0.30%, Max 1.00%
  • Silicon (Si): Min 0.25%, Max 0.75%
  • Phosphorus (P): Max 0.030%
  • Sulfur (S): Max 0.015%
  • Boron (B): Max 0.015%
  • Nickel (Ni): Balance
  • Chromium (Cr): Min 20.00%, Max 24.00%
  • Cobalt (Co): Max 5.00%
  • Molybdenum (Mo): Min 1.00%, Max 3.00%
  • Lanthanum (La): Min 0.005%, Max 0.05%
  • Tungsten (W): Min 13.00%, Max 15.00%
  • Aluminum (Al): Max 0.50%
  • Iron (Fe): Max 3.00%
Properties
  • Density: Approximately 8.6 g/cm³.
  • Thermal Conductivity: ~14 W/m·K.
  • Tensile Strength: High tensile strength at elevated temperatures.
  • Oxidation Resistance: Excellent resistance to oxidation and high-temperature degradation.
Applications
  • Heat treatment baskets, Catalyst grid supports, Gas turbine components, Heat exchangers, Bellows, Wire mesh belts, Heat treating fixtures, Basket liners, Muffles/retorts, Dampers, Thermocouple sheathing, Flame shrouds.
Advantages
  • High Temperature Strength: Maintains mechanical properties at extreme temperatures.
  • Excellent Oxidation Resistance: Performs well in oxidizing environments.
Limitations
  • Cost: Higher cost due to complex alloy composition and processing.
  • Machinability: Can be difficult to machine due to its hardness.

ELGILOY

ELGILOY is a high-performance cobalt-chromium alloy known for its excellent corrosion resistance, wear resistance, and high strength. It is used in a variety of demanding applications including medical devices and aerospace components.

Composition
  • Cobalt (Co): Min 39%, Max 41%
  • Chromium (Cr): Min 19%, Max 21%
  • Nickel (Ni): Min 14%, Max 16%
  • Molybdenum (Mo): Min 6%, Max 8%
  • Manganese (Mn): Min 1.5%, Max 2.5%
  • Iron (Fe): Balance
  • Silicon (Si): Max 1.2%
  • Carbon (C): Max 0.15%
  • Beryllium (Be): Max 0.1%
  • Phosphorus (P): Max 0.015%
  • Sulfur (S): Max 0.015%
Properties
  • Density: Approximately 8.7 g/cm³.
  • Thermal Conductivity: ~15 W/m·K.
  • Tensile Strength: High strength and hardness, particularly at elevated temperatures.
  • Corrosion Resistance: Excellent resistance to corrosion and wear.
Applications
  • ELGILOY is used in aerospace components where high strength and resistance to extreme temperatures are critical.
Advantages
  • Exceptional Wear Resistance: Excellent performance in high-wear applications.
  • Corrosion Resistance: Performs well in aggressive environments.
Limitations
  • Cost: High due to the alloy's composition and processing.
  • Machinability: Difficult to machine due to hardness.

HAYNES 242

HAYNES 242 is a nickel-chromium-tungsten alloy known for its excellent oxidation and carburization resistance at high temperatures. It is used in aerospace and industrial applications where superior performance and reliability are required.

Composition
  • Carbon (C): Max 0.03%
  • Manganese (Mn): Max 0.80%
  • Silicon (Si): Max 0.80%
  • Chromium (Cr): Min 7.00%, Max 9.00%
  • Iron (Fe): Max 2.00%
  • Aluminum (Al): Max 0.50%
  • Boron (B): Max 0.006%
  • Copper (Cu): Max 0.50%
  • Molybdenum (Mo): Min 24.00%, Max 26.00%
  • Cobalt (Co): Max 2.50%
  • Nickel (Ni): Balance
Properties
  • Density: Approximately 9.05 g/cm³.
  • Thermal Conductivity: ~13 W/m·K.
  • Tensile Strength: Excellent strength and stability at high temperatures.
  • Oxidation Resistance: Outstanding resistance to high-temperature oxidation and carburization.
Applications
  • HAYNES 242 is used in aerospace applications for components requiring high-temperature strength and oxidation resistance.
Advantages
  • High-Temperature Performance: Maintains exceptional properties at extreme temperatures.
  • Excellent Oxidation and Carburization Resistance: Performs well in challenging environments.
Limitations
  • Cost: Higher cost due to alloy composition and processing.
  • Machinability: Can be difficult to machine due to hardness.

HIGH TEMP ALLOYS

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