ASTM A284 Steel, grade C

ASTM A284 Steel, grade C Product Information -:- For detailed product information, please contact sales. -: ASTM A284 Steel, grade C Synonyms -:- For detailed product information, please contact sales. -:

ASTM A284 Steel, grade C Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A284 / A284M Steel, Grade C** --- #### **1. Product Overview** ASTM A284 Grade C is a **low-carbon, low-manganese steel** specifically designed for applications requiring magnetic properties and moderate strength. This grade is part of the A284 standard covering uncoated, low-carbon steel plates primarily used for machine parts, magnetic applications, and general construction where good machinability and formability are required. Grade C offers a balanced combination of magnetic permeability, mechanical properties, and fabrication characteristics. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A284 / A284M Grade C** | | **UNS Number** | **K02502** | | **ISO International Standard** | **ISO 630-2** | | **European Norm (EN)** | **DC01** (Similar) | | **Japanese (JIS)** | **SPHC** | | **Chinese GB** | **Q195** | | **German (DIN)** | **RRSt 14** | --- #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | **Carbon (C)** | 0.18 max | | **Manganese (Mn)** | 0.60 max | | **Phosphorus (P)** | 0.035 max | | **Sulfur (S)** | 0.035 max | | **Silicon (Si)** | 0.15 max | | **Copper (Cu)** | 0.20 min (when required) | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Low Carbon Content**: Maximum 0.18% for good formability and weldability - **Restricted Manganese**: Maximum 0.60% for magnetic applications - **Low Silicon**: Maximum 0.15% to enhance magnetic properties - **Controlled Impurities**: Standard phosphorus and sulfur limits --- #### **4. Mechanical Properties** **Tensile Properties:** - **Tensile Strength**: 310-415 MPa (45,000-60,000 psi) - **Yield Strength**: 165 MPa (24,000 psi) min - **Elongation in 200 mm (8 in)**: 27% min - **Elongation in 50 mm (2 in)**: 30% min **Magnetic Properties:** - **Good Magnetic Permeability**: Suitable for electromagnetic applications - **Low Coercive Force**: Enhances magnetic performance - **Reasonable Saturation Induction**: Adequate for many magnetic circuits --- #### **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** | 53.5 W/m·K at 20°C | | **Coefficient of Thermal Expansion** | 11.7 × 10⁻⁶ /K (20-100°C) | | **Specific Heat Capacity** | 475 J/kg·K | | **Electrical Resistivity** | 0.15 μΩ·m | --- #### **6. Product Applications** **Magnetic Applications:** - Motor and generator laminations - Transformer cores and components - Electromagnetic equipment parts - Magnetic shielding applications - Relay and solenoid components **General Manufacturing:** - Machine parts and components - Equipment frames and housings - General fabrication projects - Agricultural machinery parts - Automotive non-structural components **Construction & Industrial:** - Light structural applications - Support brackets and frames - Guard and safety equipment - Material handling components - Light-duty storage systems --- #### **7. Manufacturing & Fabrication** **Forming Characteristics:** - **Excellent Formability**: Suitable for deep drawing and bending - **Minimum Bend Radius**: 0.5 × thickness for 90° bends - **Stamping Quality**: Excellent for punching and blanking - **Surface Quality**: Good for painting and coating **Welding Performance:** - **Excellent Weldability**: All standard welding processes applicable - **No Pre-heat Required**: For most thicknesses - **Recommended Processes**: SMAW, GMAW, Resistance Welding - **Filler Metals**: AWS E70XX series or equivalent **Machining Characteristics:** - **Good Machinability**: With standard tooling - **Chip Formation**: Produces continuous chips - **Surface Finish**: Good with proper machining parameters - **Tool Life**: Excellent with appropriate cutting speeds --- #### **8. Quality Assurance & Testing** **Standard Tests:** - Chemical analysis (ladle analysis) - Tension test - Bend test (when specified) - Magnetic properties testing (when required) **Additional Tests (when specified):** - Hardness test - Impact test - Non-destructive examination - Dimensional verification --- #### **9. Corrosion Performance** - **Atmospheric Corrosion**: Moderate resistance in normal environments - **Protection Methods**: Painting, coating, or galvanizing - **Indoor Applications**: Suitable without coating in dry environments - **Maintenance**: Regular inspection recommended for outdoor use --- #### **10. Available Product Forms** **Standard Sizes:** - **Thickness Range**: 1.6 mm to 150 mm (1/16" to 6") - **Width Range**: 600 mm to 2500 mm (24" to 100") - **Length Range**: 2000 mm to 10000 mm (80" to 400") **Surface Conditions:** - Hot-rolled - Pickled and oiled - Cold-rolled (special order) - Annealed for magnetic applications --- #### **11. Technical Specifications** **Dimensional Tolerances:** - **Thickness Tolerance**: ±0.25 mm to ±1.2 mm - **Width Tolerance**: +20 mm, -0 mm (+0.8", -0") - **Length Tolerance**: +40 mm, -0 mm (+1.6", -0") - **Flatness**: 12 mm/m maximum --- **Technical Notes:** - Specifically designed for applications requiring magnetic properties - Lower manganese content enhances magnetic performance - Suitable for service temperatures down to -20°C (-4°F) - Not recommended for high-stress structural applications - Annealing may be required for optimal magnetic properties *This information is for reference purposes. For complete requirements and current specifications, consult the latest ASTM A284/A284M standard and applicable industry specifications. Always verify material properties with certified mill test reports for critical applications.* -:- For detailed product information, please contact sales. -: ASTM A284 Steel, grade C Specification Dimensions Size： Diameter 20-1000 mm Length <4241 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 A284 Steel, grade C Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A284 Steel, grade C -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A284 Steel, grade C -:- For detailed product information, please contact sales. -:

Packing of ASTM A284 Steel, 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 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 712 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