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Technical Specifications
Product Overview
Metallurgical Characteristics
T15 exhibits a complex carbide structure with primary MC carbides (vanadium-rich) and secondary M6C carbides (tungsten-molybdenum rich) distributed in a martensitic matrix. The cobalt addition enhances red hardness and thermal stability, while the high vanadium content provides exceptional wear resistance through hard vanadium carbide formation.
Heat Treatment Process
MetalZenith employs controlled austenitizing at 1200-1230°C followed by rapid quenching in salt baths or vacuum furnaces. Triple tempering at 540-560°C ensures optimal secondary hardness and carbide precipitation while minimizing retained austenite content below 8%.
Advanced Manufacturing Process
Our production utilizes vacuum induction melting followed by electroslag remelting to achieve superior cleanliness and carbide distribution. Controlled forging and rolling operations ensure proper carbide alignment and eliminate segregation, critical for tool performance consistency.
Specialized Quality Testing
MetalZenith conducts comprehensive Rockwell hardness distribution mapping across tool sections, retained austenite analysis using X-ray diffraction, carbide size and distribution evaluation through metallographic analysis, and rotating beam fatigue testing to ensure optimal tool life performance.
Application-Specific Considerations
For cutting tool applications, T15 provides superior edge retention and thermal stability. In die and mold manufacturing, its high compressive strength and wear resistance ensure extended service life. For bearing components, the material offers excellent dimensional stability and fatigue resistance. In precision machinery and automotive applications, T15 delivers consistent performance under high-stress conditions with minimal thermal distortion.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 1.50 - 1.60 |
| Chromium (Cr) | 3.75 - 5.00 |
| Tungsten (W) | 12.00 - 13.00 |
| Molybdenum (Mo) | 3.50 - 4.00 |
| Vanadium (V) | 4.50 - 5.25 |
| Cobalt (Co) | 4.75 - 5.25 |
| Silicon (Si) | ≤ 0.45 |
| Manganese (Mn) | ≤ 0.40 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Hardness (HRC) | 65 - 67 |
| Compressive Strength (MPa) | 4200 - 4500 |
| Impact Toughness (J) | 15 - 25 |
| Wear Resistance Index | 9.5/10 |
| Hardenability (mm) | 75 - 100 |
| Red Hardness at 600°C (HRC) | 60 - 62 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 8.67 |
| Melting Point (°C) | 1320 - 1370 |
| Thermal Conductivity (W/m·K) | 20.5 |
| Thermal Expansion (×10??/K) | 10.8 |
| Elastic Modulus (GPa) | 230 |
| Magnetic Permeability | 1.002 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Bars, Rods, Plates, Tool Blanks, Powder |
| Diameter Range | 6 - 300mm |
| Length Range | 100 - 6000mm |
| Plate Thickness | 10 - 150mm |
| Standards Compliance | ASTM A600, DIN 1.3202, JIS SKH10 |
| Heat Treatment Condition | Annealed, Hardened & Tempered |
| Surface Finish | Ground, Machined, Polished |
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Our Advantages in Processing T15 Tool Steel
Advanced Vacuum Melting Technology
MetalZenith utilizes vacuum induction melting and electroslag remelting processes with precise temperature control to achieve optimal carbide distribution and eliminate inclusions. Our advanced metallurgical processing ensures consistent hardness and superior tool life performance.
Comprehensive Tool Steel Testing
MetalZenith conducts specialized testing including Rockwell hardness distribution mapping, retained austenite content analysis, carbide size and distribution evaluation, and fatigue strength testing to ensure optimal performance in demanding cutting and forming applications.
Custom Heat Treatment Services
MetalZenith provides tailored heat treatment solutions with precise austenitizing, quenching, and tempering cycles optimized for specific applications. Our technical support team works closely with customers to achieve desired hardness profiles and dimensional stability.
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