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Technical Specifications
Product Overview
Metallurgical Characteristics
EN 1.2080 is a ledeburitic cold work tool steel characterized by its high carbon and chromium content, resulting in the formation of hard chromium carbides (M7C3 and M23C6) distributed throughout a martensitic matrix. This microstructure provides exceptional wear resistance and dimensional stability under cold working conditions.
Heat Treatment Process
MetalZenith employs controlled atmosphere furnaces for optimal heat treatment. Hardening is performed at 950-1020°C followed by oil or air quenching, achieving 58-62 HRC. Tempering at 150-200°C maintains high hardness while relieving internal stresses. Our proprietary heat treatment cycles ensure uniform carbide distribution and minimize distortion.
Manufacturing Process
Our production process begins with electric arc furnace melting followed by ladle refining and vacuum degassing. The steel undergoes electroslag remelting (ESR) for enhanced cleanliness and homogeneity. Controlled forging and rolling operations ensure proper carbide distribution and grain refinement, followed by spheroidizing annealing for optimal machinability.
Quality Standards & Testing
MetalZenith maintains strict quality control protocols including chemical analysis by optical emission spectroscopy, mechanical testing per EN 10002-1, ultrasonic inspection per EN 10228-3, and microstructural evaluation. All products are supplied with certified material test certificates and full traceability documentation meeting international aerospace and automotive standards.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 2.05 - 2.35 |
| Silicon (Si) | 0.10 - 0.60 |
| Manganese (Mn) | 0.20 - 0.60 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 11.00 - 13.00 |
| Molybdenum (Mo) | 0.70 - 1.20 |
| Vanadium (V) | 0.70 - 1.20 |
| Nickel (Ni) | ≤ 0.30 |
| Copper (Cu) | ≤ 0.25 |
⚙️ Mechanical Properties
| Property | Value | Condition |
|---|---|---|
| Tensile Strength | 750 - 950 MPa | Annealed |
| Yield Strength | 450 - 600 MPa | Annealed |
| Elongation | 8 - 12% | Annealed |
| Hardness (Annealed) | 255 - 285 HB | Annealed |
| Hardness (Hardened) | 58 - 62 HRC | Hardened & Tempered |
| Impact Energy (Charpy V) | 15 - 25 J | Annealed, 20°C |
| Modulus of Elasticity | 210 GPa | Room Temperature |
| Fatigue Limit | 350 - 450 MPa | 10&sup7; cycles |
🔬 Physical Properties
| Property | Value | Temperature |
|---|---|---|
| Density | 7.70 g/cm³ | 20°C |
| Melting Point | 1420 - 1460°C | - |
| Thermal Conductivity | 20 W/m·K | 20°C |
| Thermal Expansion Coefficient | 10.5×10-6/K | 20-100°C |
| Specific Heat Capacity | 460 J/kg·K | 20°C |
| Electrical Resistivity | 0.55 µΩ·m | 20°C |
| Magnetic Permeability | Ferromagnetic | Room Temperature |
| Curie Temperature | 760°C | - |
📏 Product Specifications
| Specification | Available Options | Standards |
|---|---|---|
| Product Forms | Round bars, flat bars, plates, blocks, forged pieces | EN 10027-2 |
| Round Bar Diameter | 10 - 350 mm | EN 10060 |
| Flat Bar Dimensions | 10-100 mm × 20-300 mm | EN 10058 |
| Plate Thickness | 10 - 200 mm | EN 10029 |
| Length | Up to 6000 mm (standard), custom lengths available | Customer specification |
| Surface Finish | Black, turned, ground, polished | EN 10221 |
| Dimensional Tolerance | h9 to h11 (turned), ±0.5mm (black) | ISO 286-2 |
| Delivery Condition | Annealed, soft annealed, hardened & tempered | EN 10083-2 |
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Our Advantages in Processing EN 1.2080
Advanced Vacuum Melting Technology
MetalZenith utilizes state-of-the-art vacuum induction melting (VIM) and electroslag remelting (ESR) processes to produce EN 1.2080 with superior cleanliness, homogeneous carbide distribution, and minimal segregation, ensuring consistent performance and extended tool life.
Precision Heat Treatment Control
Our computer-controlled heat treatment facilities with advanced atmosphere control systems ensure optimal hardening and tempering cycles, achieving precise hardness levels and dimensional stability while maintaining excellent toughness characteristics.
Comprehensive Customization Services
MetalZenith offers extensive customization capabilities including precision machining, surface treatments, and specialized heat treatment schedules tailored to specific application requirements, supported by our global supply chain and technical engineering team.
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