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Technical Specifications
Product Overview
Metallurgical Characteristics
EN P265GH is a fine-grained carbon-manganese steel with excellent weldability and formability. The steel features a ferritic-pearlitic microstructure optimized through controlled rolling and normalizing heat treatment. MetalZenith's advanced steelmaking process ensures minimal inclusion content and uniform grain structure for superior mechanical properties.
Heat Treatment Process
Standard delivery condition is normalized at 900-950°C followed by air cooling. MetalZenith's controlled cooling technology ensures optimal microstructure development and stress relief. Additional stress relieving at 580-650°C may be applied for enhanced dimensional stability in pressure vessel applications.
Manufacturing Process
MetalZenith produces EN P265GH through electric arc furnace melting with secondary refining including ladle furnace treatment and vacuum degassing. The steel undergoes controlled rolling with precise temperature control to achieve fine grain structure and optimal mechanical properties. Continuous casting ensures uniform composition and minimal segregation.
Quality Standards
All EN P265GH products comply with EN 10028-2 requirements and undergo comprehensive testing including tensile testing, impact testing, hardness measurement, and ultrasonic inspection. MetalZenith maintains PED 2014/68/EU certification for pressure equipment manufacturing with full material traceability and documentation.
Welding Characteristics
EN P265GH exhibits excellent weldability with all conventional welding processes including SMAW, GMAW, GTAW, and SAW. Preheating is typically not required for sections up to 25mm thickness. Post-weld heat treatment at 580-650°C is recommended for stress relief in pressure vessel applications.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.20 |
| Manganese (Mn) | 0.80 - 1.40 |
| Silicon (Si) | ≤ 0.40 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | ≤ 0.30 |
| Nickel (Ni) | ≤ 0.30 |
| Molybdenum (Mo) | ≤ 0.08 |
| Copper (Cu) | ≤ 0.30 |
| Aluminum (Al) | ≥ 0.020 |
| Nitrogen (N) | ≤ 0.012 |
| Niobium (Nb) | ≤ 0.020 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (Rp0.2) | ≥ 265 MPa |
| Tensile Strength (Rm) | 410 - 570 MPa |
| Elongation (A5) | ≥ 22% |
| Impact Energy (KV) at 20°C | ≥ 27 J |
| Impact Energy (KV) at 0°C | ≥ 27 J |
| Hardness (HB) | ≤ 170 |
| Young's Modulus | 210 GPa |
| Poisson's Ratio | 0.30 |
| Fatigue Limit (10^7 cycles) | 180 MPa |
| Fracture Toughness (KIC) | 150 MPa·m^0.5 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density | 7.85 g/cm³ |
| Melting Point | 1510°C |
| Thermal Conductivity (20°C) | 54 W/m·K |
| Thermal Expansion (20-100°C) | 12×10-6/K |
| Thermal Expansion (20-200°C) | 13×10-6/K |
| Thermal Expansion (20-400°C) | 14×10-6/K |
| Specific Heat Capacity | 500 J/kg·K |
| Electrical Resistivity | 0.16 µΩ·m |
| Magnetic Permeability | Ferromagnetic |
| Curie Temperature | 770°C |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Bars, Forgings, Tubes |
| Plate Thickness | 5 - 250 mm |
| Sheet Thickness | 0.5 - 5 mm |
| Bar Diameter | 10 - 300 mm |
| Tube Outer Diameter | 25 - 610 mm |
| Standards | EN 10028-2, ASME SA-516, JIS G3103 |
| Surface Finish | Hot Rolled, Normalized, Pickled |
| Dimensional Tolerance | ±0.1 mm (thickness), ±5 mm (width/length) |
| Edge Condition | Mill Edge, Slit Edge, Cut Edge |
| Maximum Service Temperature | 400°C |
| Certifications | EN 10204 3.1/3.2, PED 2014/68/EU |
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Our Advantages in Processing EN P265GH
Advanced Steelmaking Technology
MetalZenith employs state-of-the-art electric arc furnaces with ladle refining and vacuum degassing capabilities, ensuring precise chemical composition control and exceptional steel cleanliness for superior EN P265GH quality.
Comprehensive Quality Control
Our integrated quality management system includes 100% ultrasonic testing, mechanical property verification, and chemical analysis with full traceability documentation meeting PED and international pressure vessel standards.
Custom Processing Solutions
MetalZenith offers extensive customization capabilities including precision cutting, heat treatment services, and specialized surface finishes to meet specific customer requirements and application demands.
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