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Technical Specifications
Product Overview
Metallurgical Characteristics
EN 1.4541 is an austenitic stainless steel stabilized with titanium to prevent intergranular corrosion in the temperature range of 425-815°C. The titanium content forms stable carbides (TiC) that prevent chromium carbide precipitation at grain boundaries, maintaining corrosion resistance even after welding or high-temperature exposure. The austenitic microstructure provides excellent ductility and toughness across a wide temperature range.
Heat Treatment Process
MetalZenith employs controlled atmosphere solution annealing at 1050-1100°C followed by rapid cooling to achieve optimal properties. Our advanced heat treatment facilities feature precise temperature control (±5°C) and protective atmosphere systems to prevent oxidation and decarburization. Post-annealing stress relief at 850-900°C may be applied for specific applications requiring dimensional stability.
Manufacturing Process Excellence
Our integrated production process begins with electric arc furnace melting followed by AOD refining for precise composition control. Continuous casting ensures homogeneous structure, while our multi-stand hot rolling mills with computerized process control deliver consistent mechanical properties. Cold working capabilities include precision rolling, drawing, and forming operations with intermediate annealing cycles to maintain optimal microstructure.
Quality Standards & Testing
All EN 1.4541 products undergo comprehensive testing including optical emission spectroscopy for chemical analysis, tensile testing per ASTM A370, intergranular corrosion testing per ASTM A262 Practice A, and ultrasonic inspection for internal soundness. Our quality management system ensures compliance with EN 10204 3.1 certification requirements, providing complete material traceability from raw materials to finished products. Advanced metallographic examination verifies grain size, inclusion content, and phase distribution according to ASTM E112 and E45 standards.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 17.0 - 19.0 |
| Nickel (Ni) | 9.0 - 12.0 |
| Titanium (Ti) | 5×C - 0.70 |
| Nitrogen (N) | ≤ 0.10 |
| Iron (Fe) | Balance |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength (Rm) | 520 - 720 MPa |
| Yield Strength (Rp0.2) | ≥ 205 MPa |
| Elongation (A5) | ≥ 40% |
| Hardness (HB) | ≤ 215 |
| Impact Energy (KV) | ≥ 60 J (at 20°C) |
| Young's Modulus | 200 GPa |
| Fatigue Limit | 240 MPa (107 cycles) |
| Poisson's Ratio | 0.30 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density | 7.90 g/cm³ |
| Melting Point | 1400 - 1425°C |
| Thermal Conductivity (20°C) | 16.2 W/m·K |
| Thermal Expansion (20-100°C) | 16.6×10-6/K |
| Specific Heat Capacity | 500 J/kg·K |
| Electrical Resistivity (20°C) | 0.72 µΩ·m |
| Magnetic Permeability | 1.02 (Non-magnetic) |
| Thermal Diffusivity | 4.1×10-6 m²/s |
📏 Product Specifications
| Specification | Available Options |
|---|---|
| Product Forms | Round bars, flat bars, sheets, plates, tubes, pipes, wire, forgings |
| Round Bar Diameter | 6mm - 300mm |
| Flat Bar Dimensions | 10×3mm - 150×50mm |
| Sheet Thickness | 0.4mm - 6.0mm |
| Plate Thickness | 6mm - 100mm |
| Tube Outer Diameter | 6mm - 219mm |
| Standards | EN 10088, ASTM A240, A276, A312, JIS G4303, G4304 |
| Surface Finish | Hot rolled, cold rolled, bright annealed, pickled, polished |
| Tolerance Class | h9, h11 (bars), ±0.1mm (sheets/plates) |
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Our Advantages in Processing EN 1.4541
Advanced Vacuum Melting Technology
MetalZenith employs state-of-the-art vacuum induction melting (VIM) and electroslag remelting (ESR) processes to produce EN 1.4541 with exceptional purity and homogeneity. Our advanced melting technology ensures precise control of titanium stabilization, resulting in superior high-temperature properties and enhanced resistance to intergranular corrosion.
Comprehensive Quality Control System
Our integrated quality management system features advanced spectroscopic analysis, automated mechanical testing, and real-time process monitoring. Every batch of EN 1.4541 undergoes rigorous testing including chemical composition verification, mechanical property validation, and microstructural examination to ensure consistent quality and compliance with international standards.
Custom Processing & Global Supply Chain
MetalZenith offers extensive customization capabilities including precision machining, specialized heat treatments, and custom dimensions. Our global supply chain network with strategically located warehouses ensures rapid delivery worldwide, while our technical support team provides engineering assistance for application-specific requirements and material optimization.
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