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Technical Specifications
Product Overview
Metallurgical Characteristics
MS 1400 features a predominantly martensitic microstructure with fine carbide precipitates, achieved through controlled austenitization at 900-950°C followed by rapid quenching and precise tempering at 200-400°C. The optimized carbon content and alloying elements ensure excellent hardenability while maintaining adequate toughness for demanding applications.
Heat Treatment Process
MetalZenith employs a sophisticated heat treatment protocol involving vacuum or protective atmosphere heating to prevent decarburization, followed by controlled quenching in polymer or oil media. The subsequent tempering process is precisely controlled using automated furnace systems with ±5°C temperature accuracy to achieve target mechanical properties consistently.
Manufacturing Process
Production begins with electric arc furnace melting followed by secondary refining through ladle furnace and vacuum degassing to achieve ultra-low sulfur and phosphorus content. Continuous casting ensures homogeneous chemical composition, while controlled rolling and accelerated cooling optimize the final microstructure. Advanced process control systems monitor critical parameters throughout production.
Quality Standards & Testing
Every batch undergoes comprehensive testing including optical emission spectroscopy for chemical analysis, tensile and impact testing per ASTM E8 and E23 standards, hardness verification using Rockwell C scale, and microstructural examination. Non-destructive testing including ultrasonic inspection ensures internal soundness. Certificates of compliance are provided with detailed test results and traceability documentation.
Processing Recommendations
For optimal formability, maintain processing temperatures below 150°C to prevent tempering effects. Welding requires preheating to 200-300°C and post-weld heat treatment to restore mechanical properties. Machining should utilize carbide tools with appropriate cutting speeds and feeds to manage work hardening characteristics inherent to martensitic steels.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.10 - 0.16 |
| Manganese (Mn) | 1.40 - 1.80 |
| Silicon (Si) | 0.15 - 0.50 |
| Phosphorus (P) | ≤ 0.020 |
| Sulfur (S) | ≤ 0.010 |
| Chromium (Cr) | 0.20 - 0.60 |
| Nickel (Ni) | 0.10 - 0.40 |
| Molybdenum (Mo) | 0.05 - 0.25 |
| Aluminum (Al) | 0.020 - 0.080 |
| Titanium (Ti) | 0.010 - 0.050 |
| Boron (B) | 0.0005 - 0.0050 |
| Nitrogen (N) | ≤ 0.008 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 1400 - 1600 MPa |
| Yield Strength (Rp0.2) | ≥ 1200 MPa |
| Elongation (A80) | ≥ 6% |
| Reduction of Area (Z) | ≥ 25% |
| Hardness (HRC) | 42 - 48 |
| Impact Energy (KV at 20°C) | ≥ 25 J |
| Impact Energy (KV at -40°C) | ≥ 15 J |
| Fatigue Limit (107 cycles) | 600 - 700 MPa |
| Young's Modulus (E) | 210 GPa |
| Poisson's Ratio (ν) | 0.30 |
| Shear Modulus (G) | 81 GPa |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | 1510°C |
| Thermal Conductivity (20°C) | 42 W/m·K |
| Thermal Expansion Coefficient (20-100°C) | 11.5×10-6/K |
| Thermal Expansion Coefficient (20-200°C) | 12.2×10-6/K |
| Specific Heat Capacity | 460 J/kg·K |
| Electrical Resistivity (20°C) | 0.18 µΩ·m |
| Magnetic Permeability | Ferromagnetic |
| Curie Temperature | 770°C |
| Thermal Diffusivity (20°C) | 11.6×10-6 m²/s |
📏 Product Specifications
| Specification | Available Options |
|---|---|
| Product Forms | Hot rolled sheet, Cold rolled sheet, Plate, Strip, Bar, Tube |
| Sheet Thickness | 0.5 - 6.0 mm |
| Plate Thickness | 6.0 - 50.0 mm |
| Width Range | 600 - 2100 mm |
| Bar Diameter | 10 - 300 mm |
| Surface Finish | Hot rolled, Cold rolled, Pickled, Oiled, Galvanized |
| Edge Condition | Mill edge, Slit edge, Trimmed edge |
| Standards Compliance | ASTM A514, EN 10025-6, JIS G3106, GB/T 16270 |
| Dimensional Tolerance | ±0.02 mm (thickness), ±2.0 mm (width) |
| Flatness Tolerance | ≤ 2 mm/m |
| Coil Weight | 5 - 35 tons |
| Delivery Condition | Quenched and Tempered (QT) |
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Our Advantages in Processing MS 1400
Advanced Controlled Cooling Technology
MetalZenith employs proprietary controlled cooling systems with precise temperature monitoring and automated quenching processes, ensuring optimal martensitic transformation and consistent mechanical properties throughout the material cross-section for superior performance reliability.
Comprehensive Quality Control Systems
Our integrated quality management system features real-time chemical composition monitoring, automated mechanical testing, and advanced microstructural analysis using scanning electron microscopy, guaranteeing every batch meets stringent international standards and customer specifications.
Custom Processing & Global Supply Chain
MetalZenith offers tailored heat treatment protocols, precision machining services, and flexible sizing options backed by our global distribution network, ensuring timely delivery of customized MS 1400 solutions to meet specific application requirements worldwide.
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