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Technical Specifications
Product Overview
Metallurgical Characteristics
High Carbon High Chromium Steel exhibits a complex microstructure consisting of a martensitic matrix with uniformly distributed chromium carbides (Cr?C? and Cr??C?). The high carbon content (0.95-1.10%) provides exceptional hardness and wear resistance, while the elevated chromium content (11.50-13.00%) enhances corrosion resistance and carbide stability. The controlled addition of molybdenum and vanadium promotes secondary hardening and grain refinement, resulting in superior mechanical properties essential for high-strength applications.
Heat Treatment Process
MetalZenith employs a sophisticated heat treatment protocol involving austenitization at 1020-1050°C followed by controlled quenching in oil or air to achieve optimal hardness. Tempering is performed at 150-200°C for maximum hardness retention or 400-500°C for enhanced toughness, depending on application requirements. Our controlled atmosphere furnaces ensure minimal decarburization and optimal surface quality throughout the heat treatment cycle.
Advanced Manufacturing Process
MetalZenith utilizes vacuum induction melting followed by electroslag remelting (ESR) to achieve exceptional cleanliness and homogeneity. Our controlled rolling and forging processes optimize grain flow and eliminate internal defects. Advanced quality control includes ultrasonic testing, magnetic particle inspection, and comprehensive metallographic analysis to ensure superior material integrity for critical high-strength applications.
Specialized Quality Testing
MetalZenith conducts comprehensive testing protocols specific to high-strength applications including forming performance evaluation using Erichsen cupping tests, weldability assessment through controlled thermal severity testing, hydrogen-induced cracking resistance evaluation per NACE standards, and delayed fracture analysis using sustained load testing. These specialized tests ensure optimal performance in demanding automotive, construction, and industrial applications.
Application-Specific Technical Considerations
For automotive manufacturing, our High Carbon High Chromium Steel provides exceptional wear resistance for engine components and transmission parts while maintaining dimensional stability under thermal cycling. In building construction and bridge engineering, the material offers superior fatigue resistance and load-bearing capacity essential for structural integrity. For lifting equipment and pressure vessels, the combination of high strength and controlled toughness ensures safe operation under extreme loading conditions with comprehensive fracture mechanics validation.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.95 - 1.10 |
| Chromium (Cr) | 11.50 - 13.00 |
| Manganese (Mn) | 0.20 - 0.45 |
| Silicon (Si) | 0.15 - 0.35 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Molybdenum (Mo) | 0.40 - 0.60 |
| Vanadium (V) | 0.07 - 0.12 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 1850 |
| Tensile Strength (MPa) | 2100 - 2400 |
| Elongation (%) | ≥ 8 |
| Impact Toughness (J) | ≥ 15 |
| Fatigue Strength (MPa) | ≥ 900 |
| Hardness (HRC) | 58 - 62 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.75 |
| Melting Point (°C) | 1420 - 1460 |
| Thermal Conductivity (W/m·K) | 24.2 |
| Thermal Expansion (×10??/K) | 10.4 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Bars, Rods, Forgings, Custom Shapes |
| Thickness Range | 5 - 200mm |
| Width Range | 100 - 2500mm |
| Length Range | 1000 - 12000mm |
| Standards Compliance | ASTM A681, AISI D2, JIS SKD11, DIN 1.2379 |
| Heat Treatment Condition | Annealed, Hardened & Tempered, or As-Required |
| Surface Finish | Hot Rolled, Cold Drawn, Machined, Polished |
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Our Advantages in Processing High Carbon High Chromium Steel
Advanced Vacuum Induction Melting Technology
MetalZenith utilizes cutting-edge vacuum induction melting combined with controlled atmosphere processing to achieve optimal carbon and chromium distribution. Our precision heat treatment protocols with real-time temperature monitoring ensure consistent microstructure and superior mechanical properties throughout the material cross-section.
Comprehensive High-Strength Testing Protocol
MetalZenith conducts extensive specialized testing including forming performance evaluation, weldability assessment, hydrogen-induced cracking resistance testing, and delayed fracture analysis. Our advanced testing capabilities ensure optimal performance in demanding high-strength applications with complete quality documentation.
Custom Engineering and Technical Support
MetalZenith provides comprehensive custom processing services including precision machining, specialized heat treatment, and application-specific modifications. Our metallurgical engineering team offers technical consultation to optimize material selection and processing parameters for your specific high-strength steel requirements.
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