ASTM A283 Steel Capillary, grade D

ASTM A283 Steel Capillary, grade D Product Information -:- For detailed product information, please contact sales. -: ASTM A283 Steel Capillary, grade D Synonyms -:- For detailed product information, please contact sales. -:

ASTM A283 Steel, grade D Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A283 / A283M Steel, Grade D** --- #### **1. Product Overview** ASTM A283 Grade D is the **highest strength grade** within the A283 standard series for carbon steel plates. This grade provides superior mechanical properties while maintaining adequate formability and weldability for general structural applications. Grade D is designed for applications requiring maximum strength among the A283 grades, making it suitable for heavily loaded structural components and construction projects where higher strength-to-weight ratio is advantageous. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A283 / A283M Grade D** | | **UNS Number** | **K02800** | | **ISO International Standard** | **ISO 630-2** | | **European Norm (EN)** | **S275J2** (Similar) | | **Japanese (JIS)** | **SS 490** | | **Chinese GB** | **Q235D** | | **Indian (IS)** | **E250D** | --- #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | **Carbon (C)** | 0.27 max | | **Manganese (Mn)** | 0.90 max | | **Phosphorus (P)** | 0.035 max | | **Sulfur (S)** | 0.035 max | | **Silicon (Si)** | 0.40 max | | **Copper (Cu)** | 0.20 min (when required) | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Highest Carbon Content**: Maximum 0.27% in the A283 series - **Manganese Content**: Up to 0.90% for strength enhancement - **Controlled Impurities**: Strict phosphorus and sulfur limits - **Copper Option**: For improved atmospheric corrosion resistance --- #### **4. Mechanical Properties** **Tensile Properties:** - **Tensile Strength**: 455 MPa (66,000 psi) min - **Yield Strength**: 230 MPa (33,000 psi) min - **Elongation in 200 mm (8 in)**: 20% min - **Elongation in 50 mm (2 in)**: 23% min **Hardness Properties:** - **Brinell Hardness**: 125-180 HB typical - **Rockwell Hardness**: 70-90 HRB typical --- #### **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 | | **Electrical Resistivity** | 0.19 μΩ·m | --- #### **6. Product Applications** **Heavy Structural Applications:** - Primary building beams and columns - Heavy-duty structural frames - Bridge structural members - Crane runways and support systems - Heavy equipment support structures **Industrial Construction:** - Industrial plant structural components - Heavy machinery foundations - Material handling system supports - Platform and mezzanine construction - Heavy-duty storage rack systems **Infrastructure & Transportation:** - Bridge floor beams - Heavy transport equipment - Railway car components - Port and harbor structures - Mining equipment components --- #### **7. Manufacturing & Fabrication** **Forming Characteristics:** - **Adequate Formability**: Suitable for moderate forming operations - **Minimum Bend Radius**: 1.5 × thickness for 90° bends - **Shearing Performance**: Good with proper equipment - **Surface Finish**: Standard hot-rolled surface **Welding Performance:** - **Good Weldability**: With proper welding procedures - **Recommended Processes**: SMAW, GMAW, FCAW - **Pre-heat**: Recommended for thicker sections - **Filler Metals**: AWS E70XX series electrodes **Machining Characteristics:** - Fair machinability with proper tooling - Suitable for standard machining operations - Requires adequate cutting fluids - Produces acceptable surface finish --- #### **8. Quality Assurance & Testing** **Standard Tests:** - Chemical analysis (heat analysis) - Tension test - Bend test (when specified) - Visual inspection **Additional Tests (when specified):** - Charpy impact test - Hardness test - Non-destructive examination - Dimensional verification --- #### **9. Corrosion Performance** - **Atmospheric Corrosion**: Moderate resistance - **Protection Methods**: Painting, galvanizing, or coating systems - **Galvanizing Response**: Good for hot-dip galvanizing - **Maintenance**: Regular inspection and coating maintenance --- #### **10. Available Product Forms** **Standard Dimensions:** - **Thickness Range**: 1.6 mm to 200 mm (1/16" to 8") - **Width Range**: 600 mm to 3000 mm (24" to 120") - **Length Range**: 2000 mm to 12000 mm (80" to 480") **Available Conditions:** - Hot-rolled - Pickled and oiled - Galvanized - Primed or painted --- #### **11. Technical Specifications** **Dimensional Tolerances:** - **Thickness Tolerance**: ±0.25 mm to ±1.5 mm - **Width Tolerance**: +25 mm, -0 mm (+1", -0") - **Length Tolerance**: +50 mm, -0 mm (+2", -0") - **Flatness**: 15 mm/m maximum --- **Technical Notes:** - Provides approximately 39% higher yield strength than Grade A - Suitable for service temperatures down to 0°C (32°F) - Not intended for pressure vessel applications - Highest strength grade in the A283 series - Must comply with relevant structural design codes and standards *This information is for reference purposes. For complete requirements and current specifications, consult the latest ASTM A283/A283M standard and applicable construction codes. Always verify material properties with certified mill test reports for structural applications.* -:- For detailed product information, please contact sales. -: ASTM A283 Steel, grade D Specification Dimensions Size： Diameter 20-1000 mm Length <4240 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 A283 Steel, grade D Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A283 Steel Capillary, grade D -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A283 Steel Capillary, grade D -:- For detailed product information, please contact sales. -:

Packing of ASTM A283 Steel Capillary, grade D -:- 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 Capillary 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 711 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