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Technical Specifications
Product Overview
Metallurgical Characteristics
Mold Steel exhibits a tempered martensitic microstructure with fine carbide distribution, achieved through controlled quenching and tempering processes. The balanced alloy composition provides excellent hardenability and uniform mechanical properties throughout thick sections, making it ideal for structural applications requiring high strength-to-weight ratios.
Heat Treatment Process
MetalZenith employs controlled austenitizing at 850-870°C followed by oil quenching and tempering at 580-620°C. This optimized heat treatment cycle ensures maximum toughness while maintaining high yield strength, critical for structural integrity under dynamic loading conditions.
Manufacturing Process
Our advanced manufacturing process includes vacuum induction melting, electroslag remelting for enhanced cleanliness, and controlled forging with precise temperature monitoring. Multi-directional forging ensures uniform grain flow and eliminates internal defects, resulting in superior structural performance.
Structural Performance Testing
Comprehensive testing protocols include welding procedure qualification per AWS D1.1, forming limit analysis for fabrication assessment, rotating beam fatigue testing up to 10? cycles, and accelerated atmospheric corrosion testing. These evaluations ensure reliable performance in demanding structural environments.
Application Engineering
For building construction, the steel provides excellent seismic resistance and load-bearing capacity. In bridge engineering, superior fatigue resistance ensures long-term structural integrity. Machinery applications benefit from dimensional stability and vibration damping properties. Automotive structures utilize the high strength-to-weight ratio for improved fuel efficiency while maintaining safety standards.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.35 - 0.45 |
| Manganese (Mn) | 0.60 - 0.90 |
| Silicon (Si) | 0.20 - 0.40 |
| Chromium (Cr) | 1.80 - 2.20 |
| Molybdenum (Mo) | 0.15 - 0.25 |
| Nickel (Ni) | 0.80 - 1.20 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 690 |
| Tensile Strength (MPa) | 760 - 895 |
| Elongation (%) | ≥ 18 |
| Impact Energy at 0°C (J) | ≥ 34 |
| Hardness (HB) | 229 - 269 |
| Fatigue Strength (MPa) | ≥ 345 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 42.7 |
| Thermal Expansion (×10??/K) | 12.3 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Bars, Blocks, Forgings, Custom Shapes |
| Thickness Range | 10 - 200mm |
| Width Range | 100 - 3000mm |
| Length Range | 1000 - 12000mm |
| Standards Compliance | ASTM A514, AWS D1.1, EN 10025 |
| Heat Treatment Condition | Quenched and Tempered |
| Surface Finish | Hot Rolled, Machined, Polished |
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Our Advantages in Processing Mold Steel
Advanced Vacuum Degassing Technology
MetalZenith utilizes cutting-edge vacuum degassing and controlled atmosphere melting to achieve exceptional steel cleanliness and uniform composition. Our precision forging processes with real-time temperature control ensure optimal grain structure and enhanced mechanical properties throughout the material cross-section.
Comprehensive Structural Testing
Our Mold Steel undergoes extensive testing protocols including welding performance evaluation, forming capability assessment, fatigue strength testing, and atmospheric corrosion resistance analysis. This comprehensive testing ensures superior performance in demanding structural applications.
Custom Processing & Engineering Support
MetalZenith provides tailored heat treatment services, precision machining, and custom fabrication solutions. Our technical team offers comprehensive engineering support for structural design optimization and application-specific material selection to meet unique project requirements.
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