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Technical Specifications
Product Overview
Metallurgical Characteristics
GB 0Cr18Ni9 exhibits a fully austenitic microstructure at room temperature due to its balanced chromium-nickel composition. The austenitic structure provides excellent ductility, toughness, and corrosion resistance. The material demonstrates exceptional work hardening characteristics, allowing for significant cold forming without intermediate annealing.
Heat Treatment Process
MetalZenith employs solution annealing at 1050-1100°C followed by rapid cooling to achieve optimal properties. This process dissolves carbides, relieves internal stresses, and ensures uniform austenitic structure. Our controlled atmosphere furnaces prevent surface oxidation and maintain consistent metallurgical properties throughout the material cross-section.
Manufacturing Process
Our integrated production process begins with electric arc furnace melting followed by AOD refining for precise chemistry control. Continuous casting produces high-quality billets, which undergo hot rolling, cold rolling, and precision finishing operations. Advanced process control systems monitor temperature, reduction ratios, and surface quality throughout production.
Quality Standards & Testing
MetalZenith maintains strict adherence to international quality standards including GB/T 1220, ASTM A240, and EN 10088. Comprehensive testing protocols include chemical analysis via optical emission spectroscopy, mechanical property verification, intergranular corrosion testing (ASTM A262), and dimensional inspection using coordinate measuring machines. All products include certified test reports and material traceability documentation.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.08 |
| Silicon (Si) | ≤ 1.00 |
| Manganese (Mn) | ≤ 2.00 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 17.00 - 20.00 |
| Nickel (Ni) | 8.00 - 11.00 |
| Iron (Fe) | Balance |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 520 MPa |
| Yield Strength (0.2% Offset) | ≥ 205 MPa |
| Elongation (50mm) | ≥ 40% |
| Hardness (HRB) | ≤ 90 |
| Hardness (HV) | 200 - 250 |
| Impact Energy (Charpy V-notch, 20°C) | ≥ 120 J |
| Fatigue Limit (107 cycles) | 240 MPa |
| Modulus of Elasticity | 200 GPa |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density | 7.93 g/cm³ |
| Melting Point | 1400-1450°C |
| Thermal Conductivity (100°C) | 16.2 W/m·K |
| Thermal Expansion Coefficient (20-100°C) | 17.3×10-6/K |
| Specific Heat Capacity | 500 J/kg·K |
| Electrical Resistivity (20°C) | 0.72 µΩ·m |
| Magnetic Permeability | 1.02 (Paramagnetic) |
| Curie Temperature | Non-magnetic |
📏 Product Specifications
| Specification | Available Options |
|---|---|
| Product Forms | Sheets, Plates, Bars, Rods, Tubes, Pipes, Coils, Strips |
| Sheet Thickness | 0.3mm - 6.0mm |
| Plate Thickness | 6mm - 80mm |
| Bar Diameter | 6mm - 300mm |
| Tube Outer Diameter | 6mm - 610mm |
| Surface Finishes | 2B, BA, No.4, HL, Mirror, Embossed |
| Standards Compliance | GB/T 1220, ASTM A240, EN 10088, JIS G4304 |
| Dimensional Tolerance | ±0.02mm to ±0.5mm (depending on form) |
| Length Options | Standard lengths or cut-to-length |
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Our Advantages in Processing GB 0Cr18Ni9
Advanced AOD Refining Technology
MetalZenith utilizes cutting-edge Argon Oxygen Decarburization (AOD) technology for precise chemical composition control, ensuring consistent low carbon content and optimal chromium-nickel balance in every heat of GB 0Cr18Ni9 production.
Comprehensive Quality Control System
Our integrated quality management system features real-time spectroscopic analysis, automated dimensional inspection, and comprehensive mechanical testing laboratories, guaranteeing that every GB 0Cr18Ni9 product meets or exceeds international standards.
Flexible Customization Capabilities
MetalZenith offers extensive customization options for GB 0Cr18Ni9 including specialized surface finishes, precision tolerances, custom dimensions, and application-specific heat treatments, supported by our global logistics network for timely delivery.
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