ASTM A446 Steel Foil/Strip, grade C

ASTM A446 Steel Foil, grade C Product Information -:- For detailed product information, please contact sales. -: ASTM A446 Steel Foil, grade C Synonyms -:- For detailed product information, please contact sales. -:

ASTM A446 Steel, grade C Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A446 Steel, Grade C** --- #### **1. Product Overview** ASTM A446 Grade C is a **high-strength zinc-coated (galvanized) structural steel sheet** designed for the most demanding applications in corrugated steel pipe, structural plate structures, and other heavy civil engineering projects. As one of the highest strength grades in the A446 standard, Grade C offers superior mechanical properties for applications requiring maximum load-bearing capacity and structural performance while maintaining adequate formability and excellent corrosion protection through hot-dip galvanizing. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A446 Grade C** | | **UNS Number** | **K02501** | | **ISO International Standard** | **ISO 3575** | | **European Norm (EN)** | **EN 10346 DX54D+Z** | | **Japanese (JIS)** | **G 3302 SGH400** | | **Chinese GB** | **GB/T 2518** | | **Australian/New Zealand** | **AS/NZS 1397 G550** | --- #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | **Carbon (C)** | 0.26 max | | **Manganese (Mn)** | 1.20 max | | **Phosphorus (P)** | 0.035 max | | **Sulfur (S)** | 0.035 max | | **Silicon (Si)** | 0.30 max | | **Copper (Cu)** | 0.20 min (when required) | | **Niobium (Nb)** | 0.005-0.05 (when used) | | **Vanadium (V)** | 0.01-0.10 (when used) | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Higher Carbon Content**: Maximum 0.26% for enhanced strength - **Elevated Manganese**: Up to 1.20% for improved strength and hardenability - **Microalloying Elements**: Optional niobium and vanadium for grain refinement - **Strength Optimization**: Chemistry balanced for maximum mechanical properties --- #### **4. Mechanical Properties** **Tensile Properties:** - **Tensile Strength**: 415 MPa (60,000 psi) min - **Yield Strength**: 345 MPa (50,000 psi) min - **Elongation in 50 mm (2 in)**: 16% min **Hardness Properties:** - **Brinell Hardness**: 125-180 HB typical - **Rockwell Hardness**: 75-95 HRB typical **Coating Properties:** - **Coating Weight**: 275 g/m² (0.90 oz/ft²) min - **Coating Adhesion**: Good - suitable for structural forming operations --- #### **5. Physical Properties** | Property | Value | |----------|-------| | **Density** | 7.85 g/cm³ (0.284 lb/in³) | | **Modulus of Elasticity** | 200 GPa (29,000 ksi) | | **Shear Modulus** | 77 GPa (11,200 ksi) | | **Poisson's Ratio** | 0.29 | | **Thermal Conductivity** | 51.0 W/m·K at 20°C | | **Coefficient of Thermal Expansion** | 11.6 × 10⁻⁶ /K (20-100°C) | | **Specific Heat Capacity** | 470 J/kg·K | --- #### **6. Product Applications** **Heavy Civil Engineering Applications:** - **Extra Large Diameter Culverts**: Major highway and railway drainage systems - **Deep Burial Structures**: Culverts under significant soil cover - **Structural Plate Bridges**: Long-span arches and multi-plate structures - **Retaining Wall Systems**: Heavy-duty mechanically stabilized earth walls **Critical Infrastructure:** - **Stormwater Detention Systems**: Large-scale underground storage structures - **Bridge Replacement Structures**: Structural plate bridge systems - **Flood Control Systems**: Levee penetrations and flood relief structures - **Mining Infrastructure**: Heavy-duty access tunnels and ventilation systems **Special Heavy-Duty Applications:** - **High Fill Applications**: Structures under extreme soil pressure - **Seismic Zone Construction**: Structures in earthquake-prone areas - **Marine and Coastal Structures**: Harbor and waterfront applications - **Industrial Complexes**: Heavy industrial site drainage systems --- #### **7. Manufacturing & Fabrication** **Forming Characteristics:** - **Adequate Formability**: Suitable for standard structural forming operations - **Minimum Bend Radius**: 2.0 × thickness for 90° bends - **Coating Adhesion**: Maintains integrity during fabrication processes - **Corrugation Compatibility**: Suitable for all standard structural profiles **Welding Performance:** - **Good Weldability**: With proper procedures and qualified welders - **Recommended Processes**: GMAW with low-hydrogen electrodes - **Pre-heat Requirements**: Recommended for thicker sections - **Safety Measures**: Strict ventilation for zinc fume control **Fabrication Considerations:** - **Bolting Systems**: Compatible with high-strength structural bolts - **Field Modification**: Requires proper tools and techniques - **Connection Design**: Engineered connection systems recommended --- #### **8. Quality Assurance & Testing** **Standard Tests:** - Complete chemical analysis - Tension testing - Bend testing - Coating weight verification - Coating adherence testing **Enhanced Quality Control:** - Hardness testing - Dimensional verification - Surface quality inspection - Microalloy content verification (when applicable) --- #### **9. Corrosion Performance** - **Superior Protection**: Heavy zinc coating for long-term corrosion resistance - **Soil Corrosion**: Excellent performance in aggressive soil conditions - **Water Environments**: Suitable for various water chemistries - **Design Life**: Typically 40-100 years depending on environmental conditions - **Protection System**: Combined barrier and sacrificial protection --- #### **10. Available Product Forms** **Standard Dimensions:** - **Thickness Range**: 1.6 mm to 4.5 mm (0.063" to 0.177") - **Width Range**: 600 mm to 1500 mm (24" to 60") - **Length Range**: Coils or cut lengths as specified **Surface Conditions:** - Hot-dip galvanized coating - Minimum coating weight 275 g/m² - Standard or minimized spangle finish available --- #### **11. Technical Specifications** **Coating Requirements:** - **Coating Weight**: 275 g/m² (0.90 oz/ft²) minimum - **Coating Uniformity**: Consistent coverage required - **Adhesion Performance**: Must withstand fabrication processes **Dimensional Tolerances:** - **Thickness Tolerance**: ±0.15 mm - **Width Tolerance**: +6 mm, -0 mm - **Length Tolerance**: +10 mm, -0 mm - **Flatness**: Meets structural application requirements --- **Technical Notes:** - Grade C provides approximately 50% higher yield strength than Grade A - Suitable for the most demanding structural applications - Maintains adequate formability for structural plate fabrication - Zinc coating thickness may be specified for specific environmental conditions - Design should follow AASHTO LRFD specifications for structural plate design - Professional engineering required for all structural applications *This information is for reference purposes. For complete technical requirements and design methodologies, consult the latest ASTM A446 standard, AASHTO LRFD Bridge Design Specifications, and applicable civil engineering design codes. Structural applications require professional engineering design and review.* -:- For detailed product information, please contact sales. -: ASTM A446 Steel, grade C Specification Dimensions Size： Diameter 20-1000 mm Length <4253 mm Size:We can customized as required Standard： Per your request or drawing We can customized as required Properties（Theoretical） Chemical Composition -:- For detailed product information, please contact sales. -: ASTM A446 Steel, grade C Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A446 Steel Foil, grade C -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A446 Steel Foil, grade C -:- For detailed product information, please contact sales. -:

Packing of ASTM A446 Steel Foil/Strip, grade C -:- For detailed product information, please contact sales. -: Standard Packing: -:- For detailed product information, please contact sales. -: Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and Steel Foil/Strip drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 724 gallon liquid totes Special package is available on request. E FORUs’ is carefully handled to minimize damage during storage and transportation and to preserve the quality of our products in their original condition