Tribaloy™ T-900 Alloy: Product Introduction
Tribaloy™ T-900 is a high-performance cobalt-based alloy renowned for its exceptional wear resistance, high temperature strength, and corrosion resistance. This article provides a detailed introduction to Tribaloy™ T-900, covering its chemical composition, mechanical properties, performance at different temperatures, industry applications, shapes and sizes, production standards, welding and processing capabilities, advantages and disadvantages, and a comparison with similar alloys.
Chemical Composition
Tribaloy™ T-900 has a sophisticated chemical composition designed for superior performance in demanding environments:
| Element | Composition (%) |
|---|---|
| Cobalt (Co) | 52.0 – 60.0 |
| Chromium (Cr) | 26.0 – 32.0 |
| Nickel (Ni) | 10.0 – 12.0 |
| Molybdenum (Mo) | 6.0 – 8.0 |
| Tungsten (W) | 3.0 – 5.0 |
| Carbon (C) | 0.05 – 0.15 |
| Iron (Fe) | 1.0 – 3.0 |
| Silicon (Si) | 1.0 max |
| Manganese (Mn) | 1.0 max |
| Phosphorus (P) | 0.04 max |
| Sulfur (S) | 0.04 max |
Mechanical Properties
Tribaloy™ T-900 exhibits excellent mechanical properties suitable for high-stress applications:
| Property | Value |
|---|---|
| Tensile Strength, ksi (MPa) | 175 (1205) min |
| Yield Strength (0.2% offset), ksi (MPa) | 140 (965) min |
| Elongation (% in 2 inches) | 10 min |
| Hardness, Rockwell C (HRC) | 38 – 46 |
Performance Characteristics
Tribaloy™ T-900 offers outstanding performance across various conditions:
- Wear Resistance: Superior resistance to abrasion, erosion, and galling, making it ideal for components subjected to extreme wear conditions.
- High Temperature Strength: Maintains excellent strength and hardness at elevated temperatures, up to approximately 1100°F (593°C).
- Corrosion Resistance: Good resistance to oxidation and corrosion in aggressive environments, including acids and alkalis.
Industry Applications
Tribaloy™ T-900 is utilized in industries requiring superior wear and corrosion resistance:
| Industry Sector | Applications |
|---|---|
| Automotive | Valve components, piston rings, and turbocharger bearings. |
| Aerospace | Bearings, seals, and turbine components in aircraft engines. |
| Oil and Gas | Drill bits, pump components, and valve seats in drilling equipment. |
Shapes and Sizes
Tribaloy™ T-900 is available in various forms and sizes to meet diverse application needs:
- Forms: Sheets, plates, bars, tubes, and custom shapes.
- Sizes: Thickness ranging from 0.025 inches to 1.000 inches (0.64mm to 25.4mm), diameter ranging from 0.25 inches to 6.0 inches (6.35mm to 152.4mm).
Production Standards
Tribaloy™ T-900 adheres to stringent production standards ensuring quality and performance:
| Product Form | Shapes Available | Sizes Available | Production Standards |
|---|---|---|---|
| Bars/Rods | Round bars, square bars | Diameter: 0.25″ – 6.0″ (6.35mm – 152.4mm) | ASTM A732, AMS 5759 |
| Plates/Sheets | Plates, Sheets | Thickness: 0.025″ – 1.000″ (0.64mm – 25.4mm) | ASTM A732, AMS 5537 |
| Wires | Wires | Diameter: 0.010″ – 0.250″ (0.25mm – 6.35mm) | ASTM A580, AMS 5832 |
| Tubes/Pipes | Tubes, Pipes | OD: 0.250″ – 6.000″ (6.35mm – 152.4mm) | ASTM A732, AMS 5759 |
Welding and Processing
Tribaloy™ T-900 offers good weldability and machinability:
- Welding: Can be welded using standard methods such as TIG and MIG welding with appropriate preheating and post-weld heat treatment.
- Processing: Machinable using carbide tools, though care is required due to its high hardness and toughness.
Advantages and Disadvantages
| Aspect | Details |
|---|---|
| Advantages | Exceptional wear and corrosion resistance, high strength and hardness, reliability in harsh environments. |
| Disadvantages | Higher cost compared to conventional materials, requires expertise in handling due to its high strength and hardness. |
Similar Alloys
| Alloy Name | Comparison |
|---|---|
| Stellite 6 | Higher cobalt content, offering superior wear resistance and hardness compared to Tribaloy™ T-900. |
Comparison of Similar Alloys
| Property/Feature | Tribaloy™ T-900 | Stellite 6 |
|---|---|---|
| Cobalt Content (%) | 52.0 – 60.0 | 60.0 |
| Chromium Content (%) | 26.0 – 32.0 | 28.0 |
| Nickel Content (%) | 10.0 – 12.0 | 4.0 |
| Molybdenum Content (%) | 6.0 – 8.0 | 1.0 |
| Hardness, Rockwell C (HRC) | 38 – 46 | 38 – 45 |
| Applications | Automotive, Aerospace, Oil & Gas | Industrial tools, wear components |
This detailed article provides a comprehensive introduction to Tribaloy™ T-900 alloy, highlighting its chemical composition, mechanical properties, performance characteristics, industry applications, available forms and sizes, production standards, welding and processing capabilities, as well as advantages, disadvantages, and comparisons with similar alloys. Engineers and professionals seeking durable materials for applications demanding wear resistance, high strength, and reliability will find this information valuable for selecting the appropriate alloy to meet their specific needs.