20 Years Experience | 1000+ Brand Partners | Full Customization
We have 20 years of industry experience, have partnered with over 1,000 brands, and support any customization needs.
Technical Specifications
Product Overview
Metallurgical Characteristics
S420MC exhibits a fine-grained ferritic microstructure with controlled precipitation of microalloying elements including niobium, vanadium, and titanium. The thermomechanical processing creates optimal grain refinement and precipitation strengthening, resulting in excellent strength-to-weight ratio and superior formability compared to conventional structural steels.
Thermomechanical Processing
MetalZenith employs controlled rolling at temperatures between 850-950°C followed by accelerated cooling to achieve the desired microstructure. This TMCP approach eliminates the need for subsequent heat treatment while ensuring uniform mechanical properties and enhanced toughness throughout the material cross-section.
Advanced Manufacturing Process
Our production process incorporates real-time monitoring of rolling parameters, precise temperature control, and optimized cooling strategies. The controlled deformation and recrystallization during rolling, combined with strain-induced precipitation, produces the characteristic high strength and excellent formability of S420MC steel.
Specialized Quality Testing
MetalZenith conducts comprehensive testing specific to structural applications including weldability assessments per AWS D1.1, cold forming evaluations using bend tests, fatigue resistance testing under cyclic loading, and atmospheric corrosion resistance analysis. Additional testing includes through-thickness properties verification and residual stress measurements.
Application Engineering Considerations
For building structures, S420MC enables lighter framework designs with reduced material usage. In bridge engineering, the steel's excellent fatigue resistance and weldability support long-span construction. Machinery manufacturing benefits from the superior formability for complex geometries, while automotive applications leverage the high strength for weight reduction. General engineering projects utilize the versatile processing capabilities and consistent mechanical properties for diverse structural components.
🧪 Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | ≤ 0.12 |
| Manganese (Mn) | ≤ 1.60 |
| Silicon (Si) | ≤ 0.50 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.020 |
| Aluminum (Al) | ≥ 0.015 |
| Niobium (Nb) | ≤ 0.09 |
| Vanadium (V) | ≤ 0.20 |
| Titanium (Ti) | ≤ 0.15 |
⚙️ Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (MPa) | 420 - 520 |
| Tensile Strength (MPa) | 480 - 620 |
| Elongation (%) | ≥ 19 |
| Impact Energy at -20°C (J) | ≥ 27 |
| Hardness (HB) | 130 - 180 |
| Fatigue Strength (MPa) | 210 - 260 |
🔬 Physical Properties
| Property | Value |
|---|---|
| Density (g/cm3) | 7.85 |
| Melting Point (°C) | 1510 - 1540 |
| Thermal Conductivity (W/m·K) | 50.2 |
| Thermal Expansion (×10??/K) | 12.0 |
| Elastic Modulus (GPa) | 210 |
| Poisson's Ratio | 0.30 |
📏 Product Specifications
| Specification | Details |
|---|---|
| Available Forms | Plates, Sheets, Coils, Strips, Profiles |
| Thickness Range | 2 - 80mm |
| Width Range | 1000 - 3200mm |
| Length Range | 6000 - 16000mm |
| Standards Compliance | EN 10149-2, ASTM A1011, JIS G3136 |
| Delivery Condition | Thermomechanically Rolled (M) |
| Surface Finish | Hot Rolled, Pickled, Oiled |
Let Us Create Success for Your Project
Professional Team, Premium Products, Complete Service - Your Project Success is Our Mission
Our Advantages in Processing S420MC Steel
Advanced Thermomechanical Processing
MetalZenith utilizes cutting-edge TMCP technology with precise temperature control and optimized rolling schedules to achieve superior grain refinement and microalloying element precipitation. Our controlled processing ensures consistent mechanical properties and enhanced formability throughout the material thickness.
Comprehensive Performance Testing
Our quality assurance program includes specialized testing for structural applications: advanced weldability assessments, cold forming evaluations, fatigue resistance testing, and atmospheric corrosion resistance analysis. Each batch undergoes rigorous validation to ensure optimal performance in demanding structural environments.
Custom Engineering Solutions
MetalZenith provides tailored processing services including precision cutting, forming, and heat treatment optimization. Our technical team offers comprehensive support for structural design optimization, material selection guidance, and application-specific property enhancement to meet unique project requirements.
YOUR TRUSTED STEEL
MANUFACTURING PARTNER
Quick Inquiry
Industries We Serve
Professional steel solutions across major industries
Qualifications & Certifications
