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Technical Specifications
Product Overview
Cryogenic Metallurgical Characteristics
Plow Steel Wire Rope Grade features a fine pearlitic microstructure with controlled carbide distribution optimized for ultra-low temperature performance. The high carbon content provides exceptional strength, while specialized alloying elements enhance low-temperature toughness and prevent brittle fracture at cryogenic temperatures. MetalZenith's proprietary microstructural control ensures consistent performance down to -196°C.
Specialized Heat Treatment Process
MetalZenith employs a multi-stage heat treatment process including controlled austenitization, isothermal transformation, and cryogenic conditioning. The patenting process at 450-550°C followed by controlled cooling creates the optimal pearlitic structure, while subsequent cryogenic treatment at -196°C stabilizes the microstructure and enhances dimensional stability for extreme low-temperature service.
Advanced Manufacturing Process
Our manufacturing process incorporates precision wire drawing with controlled reduction ratios, intermediate stress relief treatments, and final cryogenic conditioning. Real-time monitoring of drawing forces and temperatures ensures consistent mechanical properties throughout the wire length. The process is specifically designed to maintain ductility and prevent work hardening that could compromise low-temperature performance.
Comprehensive Cryogenic Testing Protocol
MetalZenith conducts extensive low-temperature testing including -196°C Charpy impact testing, DBTT determination through temperature-controlled impact testing, crack propagation rate measurement using fracture mechanics principles, and low-temperature fatigue testing under cyclic loading conditions. These tests ensure reliable performance in critical cryogenic applications and validate the material's resistance to brittle fracture.
Application-Specific Technical Considerations
For LNG storage applications, the steel provides exceptional thermal shock resistance and maintains structural integrity during rapid temperature cycling. In low-temperature pipeline systems, the material offers superior flexibility and fatigue resistance under thermal stress. For polar equipment, the enhanced impact toughness prevents catastrophic failure in extreme cold conditions. Aerospace applications benefit from the material's high strength-to-weight ratio and dimensional stability at cryogenic temperatures. In superconducting equipment, the steel's magnetic properties and thermal conductivity are optimized for efficient heat transfer and electromagnetic compatibility.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.78 - 0.85 |
| Manganese (Mn) | 0.30 - 0.60 |
| Silicon (Si) | 0.12 - 0.32 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Chromium (Cr) | 0.10 - 0.25 |
| Nickel (Ni) | 0.05 - 0.15 |
| Aluminum (Al) | ≥ 0.015 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Low-Temperature Yield Strength at -196°C (MPa) | ≥ 1650 |
| Tensile Strength (MPa) | 1770 - 2160 |
| Low-Temperature Impact Toughness at -196°C (J) | ≥ 15 |
| DBTT Temperature (°C) | ≤ -120 |
| Fatigue Strength at -196°C (MPa) | ≥ 580 |
| Fracture Toughness KIC (MPa√m) | ≥ 45 |
| Elongation (%) | ≥ 4 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Low-Temperature Thermal Conductivity at -196°C (W/m·K) | 52.8 |
| Thermal Expansion Coefficient (×10??/K) | 11.2 |
| Low-Temperature Elastic Modulus at -196°C (GPa) | 218 |
| Specific Heat Capacity (J/kg·K) | 460 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Wire, Rod, Strand, Wire Rope, Custom Configurations |
| Wire Diameter Range | 0.5 - 12.0mm |
| Rod Diameter Range | 5.0 - 50.0mm |
| Operating Temperature Range | -196°C to +200°C |
| Standards Compliance | ASTM A228, API 9A, EN 10270-1, JIS G3506 |
| Heat Treatment Condition | Patented and Drawn with Cryogenic Conditioning |
| Surface Finish | Bright, Galvanized, or Custom Coating |
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Our Advantages in Processing Plow Steel (Wire Rope Grade)
Advanced Cryogenic Heat Treatment
MetalZenith employs specialized cryogenic conditioning and controlled cooling processes with precise temperature monitoring to achieve optimal microstructure for ultra-low temperature performance. Our advanced processing ensures consistent toughness and strength retention down to -196°C throughout the material cross-section.
Comprehensive Low-Temperature Testing
Our rigorous quality assurance includes specialized cryogenic testing protocols: -196°C Charpy impact testing, Ductile-to-Brittle Transition Temperature (DBTT) analysis, crack propagation rate measurement, and low-temperature fatigue performance evaluation to ensure reliable performance in extreme cryogenic environments.
Custom Cryogenic Solutions
MetalZenith provides tailored manufacturing solutions for specific low-temperature applications, including custom wire rope configurations, specialized surface treatments, and application-specific heat treatment cycles. Our technical team offers comprehensive support for cryogenic system design and material selection.
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