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Technical Specifications
Product Overview
Metallurgical Characteristics
SCM435 exhibits a tempered martensitic microstructure after proper quenching and tempering treatment. The chromium content enhances hardenability and provides moderate corrosion resistance, while molybdenum additions improve high-temperature strength and reduce temper brittleness. The fine-grained structure achieved through controlled processing ensures excellent combination of strength and toughness essential for structural applications.
Heat Treatment Process
MetalZenith employs controlled austenitizing at 850-880°C followed by oil quenching to achieve uniform martensitic transformation. Subsequent tempering at 550-650°C optimizes the strength-toughness balance. Our computer-controlled heat treatment ensures consistent mechanical properties and eliminates internal stresses critical for structural integrity.
Manufacturing Excellence
Our production process includes vacuum degassing for enhanced cleanliness, controlled rolling for grain refinement, and precision heat treatment with real-time monitoring. Advanced quality control systems ensure dimensional accuracy and surface quality meeting the most demanding structural applications.
Specialized Quality Testing
MetalZenith conducts comprehensive testing including welding performance evaluation per AWS standards, forming capability assessment through bend testing, rotating beam fatigue testing, and salt spray atmospheric corrosion testing. These specialized tests ensure optimal performance in structural applications where reliability is paramount.
Application Engineering
For building construction, SCM435 provides excellent weldability and forming characteristics essential for complex structural assemblies. In bridge engineering, its superior fatigue resistance ensures long-term durability under cyclic loading. For machinery manufacturing, the high strength-to-weight ratio enables compact designs, while in vehicle construction, the material's crashworthiness and formability meet safety requirements. General engineering applications benefit from the steel's versatility and consistent mechanical properties across various processing conditions.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.33 - 0.38 |
| Manganese (Mn) | 0.60 - 0.85 |
| Silicon (Si) | 0.15 - 0.35 |
| Phosphorus (P) | ≤ 0.030 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 0.90 - 1.20 |
| Molybdenum (Mo) | 0.15 - 0.30 |
| Nickel (Ni) | ≤ 0.25 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | ≥ 835 |
| Tensile Strength (MPa) | 980 - 1180 |
| Elongation (%) | ≥ 12 |
| Impact Energy at 20°C (J) | ≥ 49 |
| Hardness (HRC) | 30 - 37 |
| Fatigue Strength (MPa) | ≥ 450 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1480 - 1520 |
| Thermal Conductivity (W/m·K) | 42.7 |
| Thermal Expansion (×10??/K) | 12.3 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.27 - 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Round Bars, Square Bars, Flat Bars, Plates, Forgings |
| Diameter Range | 10 - 300mm |
| Length Range | 3000 - 12000mm |
| Plate Thickness | 8 - 80mm |
| Standards Compliance | JIS G4053, ASTM A29, ISO 683-2 |
| Heat Treatment Condition | Quenched and Tempered (Q&T) |
| Surface Finish | Hot Rolled, Cold Drawn, Machined |
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Our Advantages in Processing SCM435
Advanced Heat Treatment Technology
MetalZenith utilizes state-of-the-art quenching and tempering processes with precise temperature control and automated cooling systems to achieve optimal microstructural refinement in SCM435 steel. Our controlled heat treatment ensures consistent hardenability and superior mechanical properties throughout the material cross-section.
Comprehensive Structural Testing
Our quality assurance program includes specialized testing for structural applications: advanced welding performance evaluation, forming capability assessment, fatigue strength testing up to 10^7 cycles, and accelerated atmospheric corrosion resistance testing to ensure long-term structural integrity in demanding environments.
Custom Processing & Engineering Support
MetalZenith provides tailored heat treatment schedules, precision machining services, and comprehensive technical support for SCM435 applications. Our metallurgical engineers work closely with customers to optimize material properties for specific structural requirements and provide complete material certification documentation.
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