ASTM A500 Steel Tube,Pipe, grade A

ASTM A500 Steel Tube, grade A, Round Structural Tubing Product Information -:- For detailed product information, please contact sales. -: ASTM A500 Steel Tube, grade A, Round Structural Tubing Synonyms -:- For detailed product information, please contact sales. -:

ASTM A500 Steel, grade A, Round Structural Tubing Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A500 Steel, Grade A, Round Structural Tubing** --- #### **1. Product Overview** ASTM A500 Grade A Round Structural Tubing is a **cold-formed welded carbon steel structural tubing** used in construction and structural applications. This specification covers cold-formed welded and seamless carbon steel round structural tubing used for structural and construction purposes. Grade A represents the standard strength level, providing an excellent balance of strength, formability, and weldability for general structural applications. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A500 Grade A (Round)** | | **UNS Number** | **K03001** | | **ISO International Standard** | **ISO 10799** | | **European Norm (EN)** | **EN 10219-1** | | **Canadian Standards Association** | **CSA G40.21** | | **Japanese (JIS)** | **G 3475** | --- #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | **Carbon (C)** | 0.26 max | | **Manganese (Mn)** | 1.35 max | | **Phosphorus (P)** | 0.035 max | | **Sulfur (S)** | 0.035 max | | **Copper (Cu)** | 0.20 min (when required) | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Controlled Carbon Content**: Maximum 0.26% for good weldability and formability - **Moderate Manganese**: Up to 1.35% for adequate strength - **Standard Impurity Limits**: Typical for structural steel applications - **Copper Option**: Available for enhanced atmospheric corrosion resistance --- #### **4. Mechanical Properties** **Tensile Properties:** - **Tensile Strength**: 310 MPa (45,000 psi) min - **Yield Strength**: 230 MPa (33,000 psi) min - **Elongation in 50 mm (2 in)**: 25% min **Hardness Properties:** - **Brinell Hardness**: 95-145 HB typical **Additional Properties:** - **Compressive Strength**: Excellent for column applications - **Torsional Strength**: Superior to other structural shapes - **Bending Strength**: Good for curved structural members --- #### **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** | 52.0 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 | --- #### **6. Product Applications** **Structural Applications:** - **Building Construction**: Columns, beams, and truss members - **Architectural Structures**: Exposed structural elements, decorative features - **Support Structures**: Racks, frames, and support systems - **Bridge Components**: Handrails, secondary structural members **Industrial Applications:** - **Material Handling Equipment**: Conveyor supports, equipment frames - **Agricultural Equipment**: Machinery frames and structural components - **Transportation Infrastructure**: Sign supports, guardrail systems - **Recreational Equipment**: Playground structures, sports equipment **Commercial Applications:** - **Store Fixtures**: Display systems and structural supports - **Furniture Manufacturing**: Structural components for commercial furniture - **Lighting Standards**: Street light poles and support structures - **Architectural Features**: Curtain wall systems, decorative elements --- #### **7. Manufacturing & Fabrication** **Forming Characteristics:** - **Good Formability**: Suitable for bending and forming operations - **Minimum Bend Radius**: 2.5 × outside diameter for cold bending - **Surface Quality**: Smooth welded and finished surface - **Dimensional Stability**: Excellent for precision applications **Welding Performance:** - **Excellent Weldability**: All standard welding processes applicable - **Recommended Processes**: GMAW, GTAW, SMAW - **Pre-heat**: Generally not required for Grade A - **Filler Metals**: AWS E70XX series electrodes **Machining & Cutting:** - **Good Machinability**: With proper tooling and techniques - **Cutting Methods**: Sawing, abrasive cutting, plasma cutting suitable - **Drilling & Tapping**: Excellent performance with standard tools --- #### **8. Quality Assurance & Testing** **Standard Tests:** - Chemical analysis - Tension test - Flattening test - Bend test (when specified) - Visual inspection **Additional Tests (when specified):** - Hardness test - Impact test - Non-destructive testing - Dimensional verification --- #### **9. Corrosion Performance** - **Atmospheric Corrosion**: Good resistance in normal environments - **Protection Methods**: Painting, galvanizing, or powder coating - **Maintenance**: Regular inspection and touch-up painting recommended - **Service Life**: Varies with environment and protection system --- #### **10. Available Product Forms** **Standard Sizes (Round Tubing):** - **Outside Diameter**: 12.7 mm to 457 mm (0.500" to 18.000") - **Wall Thickness**: 0.9 mm to 12.7 mm (0.035" to 0.500") - **Lengths**: Standard random lengths or cut-to-length **Surface Conditions:** - Black (as-welded) - Pickled and oiled - Galvanized - Painted or coated --- #### **11. Technical Specifications** **Dimensional Tolerances:** - **Outside Diameter Tolerance**: ±0.5% of nominal diameter - **Wall Thickness Tolerance**: ±10% - **Length Tolerance**: +6 mm, -0 mm (+1/4", -0") - **Straightness**: 1.6 mm per meter (0.019 in per foot) **Structural Properties:** - **Section Modulus**: Calculated based on diameter and wall thickness - **Moment of Inertia**: Uniform in all directions - **Radius of Gyration**: Equal about all axes - **Torsional Constant**: Superior to open sections --- **Technical Notes:** - Grade A provides the baseline strength level in the A500 standard series - Round tubing offers excellent compressive strength for column applications - Uniform strength characteristics in all directions - Suitable for both welded and bolted connections - Must comply with applicable building codes and standards - Design should consider local buckling for thin-walled sections *This information is for reference purposes. For complete requirements and current specifications, consult the latest ASTM A500 standard and applicable structural design codes. Always verify material properties with certified mill test reports for structural applications.* -:- For detailed product information, please contact sales. -: ASTM A500 Steel, grade A, Round Structural Tubing Specification Dimensions Size： Diameter 20-1000 mm Length <4257 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 A500 Steel, grade A, Round Structural Tubing Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A500 Steel Tube, grade A, Round Structural Tubing -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A500 Steel Tube, grade A, Round Structural Tubing -:- For detailed product information, please contact sales. -:

Packing of ASTM A500 Steel Tube, grade A, Round Structural Tubing -:- 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 Tube 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 728 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