Special Alloys
Tribaloy T400
Depend on PML Tribaloy T400 for exceptional wear resistance and corrosion protection in highly demanding applications.
Precision-melted cobalt alloy ingots with consistent chemical control and metallurgical cleanliness.
Designed for investment casting applications across aerospace, engineering applications such as mechanical seals, extrusion dies, cutting tools, and industrial sectors.
Ingot Manufacturing Process
High-quality Triballoy T400 alloy ingots manufactured using air melting with argon gas purging to ensure material purity and structural integrity.
RFQ from Customer
Alloy chemistry and ingot specifications are finalized as per application requirements.
Alloy Design/Planning
As per customer requirements, mould design carried out and planned for charge preparation, charge sequences in VIM furnace. Careful selection of raw materials are the prime factor to achieve specified chemistry of an alloy.
Alloy Melting by VIM
Virgin elements are charged into the VIM furnace either in air or under vacuum, with precise adjustments made for trace element additions during melting.
Process & Quality Control
The melt is poured under vacuum into precision-engineered molds using an automatic tilting mechanism for defect-free solidification.
Primary Finishing
Post-casting processes include surface treatment, cropping, and preparation of ingots for downstream processing.
Testing & Packaging
Every batch is tested for chemical composition by Spark- OES / wet analysis / Gas analysis, and physical compliance as per customer specification before secure packaging.
Technical Specifications
Chemical Composition (Typical)
| Elements | Customer Requirement | |
|---|---|---|
| Min | Max | |
| Carbon | - | 0.10% |
| Silicon | 2.20% | 2.60% |
| Phosphorus | - | 0.030% |
| Sulphur | - | 0.030% |
| Nickel | - | 1.50% |
| Molybdenum | 27.00% | 29.00% |
| Iron | - | 1.50% |
| Chromium | 7.50% | 8.50% |
| Cobalt | Balance | Balance |
| Other Trace Elements | - | 1.0% |
Properties
| Alloy | Mechanical properties* | PML alloy: as cast* | After Heat treatment* |
|---|---|---|---|
| PML Tribaloy T400 *Typical | Rockwell Hardness | 47 -58HRC | - |
| Tensile Strength Ultimate (UTS) | 700MPa Min | - | |
| Tensile Strength Yield (YS) | 350 - 500MPa | - | |
| Elongation of Break | 5% Max | - | |
| Reduction of Area | Not Applicable | - |
Tribaloy T-400: The Ultimate Barrier Against Friction and Heat
A specialized intermetallic alloy designed for high-load environments, offering unmatched surface stability and resistance to abrasive wear up to 800°C.
Process Capability
| Input : Batch size | Output | Alloying Elements | Chemistry tolerance | Impurities Max |
|---|---|---|---|---|
| 25 kgs to 80 Kgs | Ingot of required shape as per customers requirement | Cr, Mo | +/- 0.5 % for Higher level % (Above 2 digit) and +/- 0.3 % for lower level % (Single digit) | Oxygen < 300 ppm Hydrogen < 100 ppm Nitrogen<200 ppm All other impurities < 100 ppm |
Benefits:
With over six decades of expertise, PML delivers high-performance component technologies and precision solutions trusted across critical industries.
1
Flexible batch sizes
2
Consistent, reproducible high quality
3
Minimal gas impurity levels
4
Evaporation of volatile non-ferrous impurities (Sn, Zn, Pb, Sb)
5
Reduced non-metallic inclusions
6
Ready-to-use ingots for powder metallurgy, strip production, rolling, forging, etc.
Applications
1
Gas Turbines
High-temperature corrosion-resistant parts
2
Orthopedic & Dental Implants
Bio-compatible and wear-resistant
3
Automotive & Industrial
Valve seats, pump parts, bearing surfaces
4
Medical Equipment
Surgical tools, high-wear biomedical components
Trust, Reliability & Quality
With over six decades of expertise, PML delivers high-performance component technologies and precision solutions trusted across critical industries.
ISO 45001
Occupational Health and Safety (OH&S) management systems
ISO 14001
Environmental Management Systems (EMS)
ISO 9001
Quality Management Systems (QMS)
IATF 16949
International Standard for Automotive Management Systems
AS 9100
Aerospace Quality Management System (QMS)
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