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Technical Specifications
Product Overview
Metallurgical Characteristics
EN 60Si2Mn is a high-carbon spring steel with silicon and manganese as primary alloying elements. The silicon content (1.6-2.0%) significantly enhances elastic properties and resistance to decarburization during heat treatment, while manganese (0.6-0.9%) improves hardenability and strength. The controlled carbon content (0.56-0.64%) provides optimal balance between strength and ductility for spring applications.
Heat Treatment Process
MetalZenith employs a carefully controlled heat treatment cycle consisting of austenitization at 850-880°C, followed by oil quenching to achieve martensitic structure. Subsequent tempering at 420-480°C develops the desired combination of strength, toughness, and elastic properties. Our automated heat treatment systems ensure uniform temperature distribution and precise control of cooling rates.
Manufacturing Process
Our production process begins with electric arc furnace melting using high-purity raw materials, followed by ladle refining and continuous casting. Hot rolling is performed with controlled finishing temperatures to achieve optimal grain structure. Cold drawing operations provide precise dimensional accuracy and enhanced surface finish. All processes are monitored using advanced process control systems.
Quality Standards & Testing
Every batch undergoes comprehensive testing including chemical analysis by optical emission spectrometry, mechanical property evaluation, microstructure examination, and dimensional verification. Non-destructive testing methods such as ultrasonic inspection ensure internal soundness. All products are supplied with mill test certificates complying with EN 10204 Type 3.1 requirements.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.56 - 0.64 |
| Silicon (Si) | 1.60 - 2.00 |
| Manganese (Mn) | 0.60 - 0.90 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Chromium (Cr) | ≤ 0.30 |
| Nickel (Ni) | ≤ 0.30 |
| Copper (Cu) | ≤ 0.30 |
| Aluminum (Al) | ≤ 0.050 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 1200 - 1400 MPa |
| Yield Strength (Rp0.2) | ≥ 1080 MPa |
| Elongation (A5) | ≥ 8% |
| Reduction of Area (Z) | ≥ 35% |
| Hardness (HRC) | 38 - 44 |
| Impact Energy (KV) | ≥ 25 J |
| Fatigue Limit | 500 - 600 MPa |
| Young's Modulus | 210 GPa |
| Poisson's Ratio | 0.27 - 0.30 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density | 7.80 g/cm³ |
| Melting Point | 1480 - 1520°C |
| Thermal Expansion Coefficient (20-100°C) | 11.5×10-6/K |
| Thermal Conductivity (20°C) | 42 W/m·K |
| Specific Heat Capacity | 460 J/kg·K |
| Electrical Resistivity (20°C) | 0.25 µΩ·m |
| Magnetic Permeability | Ferromagnetic |
| Curie Temperature | 750°C |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Round bars, flat bars, wire, strips, plates |
| Round Bar Diameter | 6 - 300 mm |
| Flat Bar Dimensions | 10-200 mm width, 3-80 mm thickness |
| Wire Diameter | 0.5 - 20 mm |
| Strip Thickness | 0.3 - 6.0 mm |
| Standard Length | 3000 - 12000 mm (custom lengths available) |
| Surface Finish | Hot rolled, cold drawn, peeled, ground |
| Tolerance Class | h9, h11 (ISO 286-2) |
| Standards | EN 10089, DIN 17222, ASTM A689 |
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Our Advantages in Processing EN 60Si2Mn
Advanced Heat Treatment Technology
MetalZenith employs precision-controlled quenching and tempering processes with automated temperature monitoring systems, ensuring optimal microstructure development and consistent mechanical properties throughout the entire cross-section of EN 60Si2Mn steel products.
Comprehensive Quality Control System
Our integrated quality management system features real-time chemical composition monitoring, automated mechanical testing, and advanced metallographic analysis, guaranteeing that every batch of EN 60Si2Mn meets or exceeds international standards with full traceability documentation.
Custom Processing & Global Supply Chain
MetalZenith offers tailored processing solutions including custom heat treatment cycles, precision cutting, and surface finishing services. Our global distribution network ensures reliable delivery of EN 60Si2Mn products worldwide with comprehensive technical support and engineering consultation.
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