Spherical ASTM A514 Steel Powder, Grade N

ASTM A514 Steel Spherical Powder, Grade N, plate thickness ≤ 19 mm Product Information -:- For detailed product information, please contact sales. -: ASTM A514 Steel Spherical Powder, Grade N, plate thickness ≤ 19 mm Synonyms -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Spherical ASTM A514 Steel Powder, Grade N characteristics -:- For detailed product information, please contact sales. -: Spherical ASTM A514 Steel Powder, Grade N Particle Size -:- For detailed product information, please contact sales. -: -:- -:- 0-15μm ,5-25μm, 15-45μm, 15-53μm,20-63um, 45-75μm, 45-105μm, 45-150μm ,75-150μm. (Various granularities can be customized according to customer requirements) -:- For detailed product information, please contact sales. -:

Spherical ASTM A514 Steel Powder, Grade N Applicable processes -:- For detailed product information, please contact sales. -: Laser/electron beam additive manufacturing (SLM/EBM, 3D printing) Direct laser deposition (DLD) Used in thermal spray (TSA) Powder hot isostatic pressing (HIP) Metal injection molding (MIM) Powder metallurgy (PM) Laser cladding (LC), etc. -:- For detailed product information, please contact sales. -: Spherical ASTM A514 Steel Powder, Grade N Chemical Composition -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: ASTM A514 Steel, Grade N, plate thickness ≤ 19 mm Product Information -:- For detailed product information, please contact sales. -: ## **Technical Data Sheet: ASTM A529 Steel** ### **1. Product Overview** ASTM A529 is a high-strength carbon-manganese steel primarily used in structural applications requiring higher strength than conventional carbon steel grades like A36, but with similar weldability and fabricability. Available in two strength grades (Grade 42 and Grade 50), this specification covers shapes, plates, and bars intended for bolted or welded construction of bridges, buildings, and other general structures. The steel achieves its enhanced strength primarily through increased manganese content and controlled processing rather than extensive alloying, making it a cost-effective choice for applications where ASTM A36 lacks sufficient strength but more expensive high-strength low-alloy (HSLA) steels are not required. ### **2. International Standards & Specifications** - **Primary Standard:** ASTM A529/A529M - *Standard Specification for High-Strength Carbon-Manganese Steel of Structural Quality* - **Dimensional Standards:** - ASTM A6/A6M (General Requirements for Rolled Structural Steel Bars, Plates, Shapes, and Sheet Piling) - **International Equivalents:** - **EN Standard:** EN 10025-2 Grade S275JR (comparable to Grade 42) and Grade S355JR (comparable to Grade 50) - **JIS Standard:** JIS G3101 SS400 (similar to Grade 42) and JIS G3106 SM490 (similar to Grade 50) - **ISO Standard:** ISO 630-2 Grade E275 (Grade 42) and Grade E355 (Grade 50) - **GB/T Standard:** GB/T 700 Q275 (Grade 42) and Q355 (Grade 50) - **Canadian Standard:** CSA G40.21 350W (Grade 50 equivalent) - **Australian Standard:** AS 3679.1 Grade 350 (Grade 50 equivalent) ### **3. Chemical Composition (Heat Analysis, % by Weight)** **Grade 42:** | Element | Composition (%) | Notes | |---------|-----------------|-------| | Carbon (C) | 0.27 max | Higher than A36 for increased strength | | Manganese (Mn) | 0.85-1.20 | Primary strengthening element | | Phosphorus (P) | 0.04 max | Standard impurity control | | Sulfur (S) | 0.05 max | Standard impurity control | | Silicon (Si) | 0.15-0.40 | Deoxidizer, enhances strength | | Copper (Cu) | 0.20 min* | For atmospheric corrosion resistance | **Grade 50:** | Element | Composition (%) | Notes | |---------|-----------------|-------| | Carbon (C) | 0.27 max | Same maximum as Grade 42 | | Manganese (Mn) | 0.85-1.35 | Slightly higher range for greater strength | | Phosphorus (P) | 0.04 max | Standard impurity control | | Sulfur (S) | 0.05 max | Standard impurity control | | Silicon (Si) | 0.15-0.40 | Deoxidizer | | Copper (Cu) | 0.20 min* | For atmospheric corrosion resistance | *Copper requirement applies when specified for enhanced atmospheric corrosion resistance. When copper steel is required, the copper content shall be 0.20% minimum. **Key Metallurgical Features:** - **Carbon Equivalent (Ceq):** Typically 0.35-0.45 for Grade 50, ensuring good weldability - **Alloy Approach:** Primarily carbon-manganese steel without significant alloy additions - **Deoxidation:** Typically semi-killed or killed steel, available as specified ### **4. Mechanical Properties** **Minimum Required Properties:** | Property | Grade 42 | Grade 50 | Test Standard | |----------|----------|----------|---------------| | **Tensile Strength, min** | 60 ksi (415 MPa) | 65 ksi (450 MPa) | ASTM A370 | | **Yield Strength, min** | 42 ksi (290 MPa) | 50 ksi (345 MPa) | ASTM A370 | | **Elongation in 8 in. (200 mm), min** | 19% | 18% | ASTM A370 | | **Elongation in 2 in. (50 mm), min** | 23% | 21% | ASTM A370 | **Typical Achieved Properties:** - **Grade 42:** - Yield Strength: 45-50 ksi (310-345 MPa) - Tensile Strength: 65-75 ksi (450-515 MPa) - Elongation: 22-28% in 8 inches - **Grade 50:** - Yield Strength: 55-60 ksi (380-415 MPa) - Tensile Strength: 70-80 ksi (480-550 MPa) - Elongation: 20-25% in 8 inches **Impact Properties:** - Charpy V-notch testing not required unless specified - When specified, typically tested at 70°F (21°C) with 15 ft-lb (20 J) minimum ### **5. Physical Properties** - **Modulus of Elasticity:** 29,000 ksi (200 GPa) - **Shear Modulus:** 11,200 ksi (77 GPa) - **Poisson's Ratio:** 0.29 - **Density:** 0.283 lb/in³ (7.83 g/cm³) - **Thermal Conductivity:** 51.9 W/m·K at 100°C - **Coefficient of Thermal Expansion:** 6.5 × 10⁻⁶ /°F (11.7 × 10⁻⁶ /°C) between 68-212°F - **Specific Heat:** 0.46 kJ/kg·K at 20°C - **Electrical Resistivity:** 0.16 μΩ·m at 20°C ### **6. Material Forms & Availability** - **Shapes:** Wide-flange beams, channels, angles, tees, and other structural shapes - **Plates:** Available in various thicknesses up to several inches - **Bars:** Rounds, squares, flats, and other bar products - **Sheet Piling:** When specified - **Standard Sizes:** Generally available in common structural sizes ### **7. Heat Treatment & Processing** - **As-Rolled Condition:** Typically supplied in the as-rolled condition - **Normalizing:** Available when specified for improved properties - **Stress Relieving:** May be performed when required for specific applications - **Microstructure:** Predominantly ferrite-pearlite structure with grain refinement ### **8. Key Product Characteristics** 1. **Cost-Effective Strength:** Higher strength than A36 without premium alloy costs 2. **Good Weldability:** Carbon equivalent allows conventional welding methods 3. **Excellent Fabricability:** Can be formed, cut, and machined using standard methods 4. **Atmospheric Corrosion Resistance:** When copper-bearing version is specified 5. **Predictable Performance:** Consistent properties across product forms 6. **Wide Availability:** Readily available from most steel service centers ### **9. Primary Applications** **Building Construction:** - Multi-story building structural frames - Industrial building columns and beams - Warehouse and commercial building structures - Roof trusses and support systems - Mezzanine and platform structures **Bridge Construction:** - Secondary bridge members - Pedestrian bridge structures - Small span highway bridges - Bridge approach spans - Temporary bridge components **Industrial Structures:** - Factory and plant structural supports - Material handling system supports - Equipment platforms and walkways - Storage rack structural components - Industrial stairways and ladders **Infrastructure Projects:** - Transmission tower components - Sign support structures - Sound barrier walls - Retaining wall structural elements - Utility structures and shelters **Transportation Equipment:** - Truck and trailer structural components - Railroad car structural members - Marine barge structural elements - Heavy equipment frames and supports **Agricultural Applications:** - Farm building structures - Grain storage facility supports - Equipment shelters and covers - Agricultural machinery components ### **10. Fabrication Guidelines** **Welding:** - **Processes:** All conventional processes suitable (SMAW, GMAW, FCAW, SAW) - **Electrodes/Fillers:** E70XX series for Grade 42; E70XX or E80XX for Grade 50 - **Preheat:** Generally not required for thin sections; 150-250°F for thicker sections - **Interpass Temperature:** 400°F maximum recommended - **Procedures:** Follow AWS D1.1 for structural welding **Cutting:** - **Oxy-Fuel Cutting:** Most common method, produces good quality edges - **Plasma Cutting:** Excellent for thicknesses up to 1 inch - **Mechanical Cutting:** Sawing, shearing, and punching all suitable - **Edge Preparation:** Standard beveling and grinding practices apply **Machining:** - **Tool Materials:** High-speed steel or carbide tools - **Cutting Speeds:** 200-400 SFM for turning operations - **Feeds:** Moderate feeds with good chip control - **Coolant:** Water-soluble coolants effective **Forming:** - **Cold Forming:** Excellent formability with standard equipment - **Bend Radius:** Minimum 1× thickness for 90° bends - **Hot Forming:** Possible when required for complex shapes - **Springback:** Moderate, easily compensated in tooling ### **11. Corrosion Protection** **Atmospheric Exposure:** - **Copper-Bearing Grade:** 0.20% Cu minimum provides enhanced corrosion resistance - **Corrosion Rate:** Approximately 1.5-2× better than plain carbon steel - **Painting:** Excellent paint adhesion with proper surface preparation - **Galvanizing:** Suitable for hot-dip galvanizing with proper processing ### **12. Quality Assurance & Testing** **Standard Requirements:** - Chemical analysis from each heat - Tensile testing from each heat and thickness range - Dimensional verification per ASTM A6 - Visual inspection for surface defects **Supplementary Testing (When Specified):** - Charpy V-notch impact testing - Ultrasonic examination - Hardness testing - Additional tensile tests - Macroetch examination **Certification:** - Mill test reports documenting compliance - Heat number traceability - Third-party inspection available ### **13. Comparison with Other Structural Steels** | Property | A529 Grade 50 | A36 | A572 Grade 50 | |----------|---------------|-----|---------------| | **Yield Strength** | 50 ksi (345 MPa) | 36 ksi (250 MPa) | 50 ksi (345 MPa) | | **Chemistry** | C-Mn steel | Carbon steel | HSLA with microalloys | | **Cost** | Moderate | Lowest | Higher | | **Weldability** | Very Good | Excellent | Good | | **Formability** | Very Good | Excellent | Good | | **Typical Applications** | General structures | Light structures | Heavy structures | ### **14. Design Considerations** **Structural Design:** - Use AISC Steel Construction Manual for design guidance - Allowable stresses based on yield strength of 42 or 50 ksi - Consider local buckling for slender sections - Account for deflection limits in beam design **Connection Design:** - Bolted connections per AISC specifications - Welded connections per AWS D1.1 - Consider shear lag in tension members - Account for block shear in connections **Fatigue Considerations:** - Use AISC fatigue provisions for cyclic loading - Detail connections to minimize stress concentrations - Consider impact loading in design ### **15. Economic Considerations** **Cost Factors:** - **Material Cost:** 10-20% premium over A36 - **Fabrication Cost:** Similar to other structural steels - **Life Cycle Cost:** Competitive for many applications - **Availability:** Generally good with standard lead times **Value Proposition:** - Higher strength allows lighter, more efficient designs - Reduced material quantities compared to A36 - Lower transportation and erection costs - Compatible with standard fabrication methods ### **16. Industry Codes & Standards** - **AISC:** Steel Construction Manual - **AWS D1.1:** Structural Welding Code - **AASHTO:** Bridge Design Specifications (for applicable applications) - **ASCE:** Minimum Design Loads for Buildings and Other Structures - **IBC:** International Building Code ### **17. Limitations & Special Considerations** 1. **Not Recommended For:** - Pressure vessel applications - Cryogenic service without impact testing - Highly corrosive environments without protection - Applications requiring Charpy impact properties unless specified 2. **Temperature Limitations:** - Maximum service temperature: 800°F (427°C) - Minimum service temperature: -50°F (-46°C) with proper toughness specification 3. **Size Limitations:** - Properties may vary with section size - Thicker sections may have different properties ### **18. Environmental & Sustainability** - **Recyclability:** 100% recyclable without degradation - **Energy Efficiency:** Reduced material use compared to lower strength steels - **Manufacturing Impact:** Standard steel production processes - **Life Cycle Assessment:** Favorable compared to many alternative materials ### **19. Project Specification Guidelines** **Essential Specification Elements:** 1. ASTM A529 designation 2. Grade required (42 or 50) 3. Copper requirement if needed 4. Charpy impact requirements if applicable 5. Supplementary testing requirements 6. Certification and documentation needs **Example Specification Language:** "Structural steel shall conform to ASTM A529, Grade 50. When copper steel is required for enhanced atmospheric corrosion resistance, the copper content shall be 0.20% minimum. Charpy V-notch impact testing shall be conducted at 70°F with minimum absorbed energy of 15 ft-lb." ### **20. Future Developments** - **Processing Improvements:** Enhanced rolling practices for better properties - **Alloy Optimization:** Potential refinements in composition - **Sustainability:** Reduced carbon footprint production methods - **Digital Integration:** Improved traceability and documentation ### **21. Disclaimer & Important Notes** **User Responsibilities:** 1. Select appropriate grade for specific application requirements 2. Verify material properties meet design assumptions 3. Follow proper fabrication and erection procedures 4. Consider all service conditions in design 5. Comply with all applicable codes and regulations **Manufacturer's Limitations:** - Properties guaranteed as tested per specification - Performance depends on proper design and fabrication - No fitness warranty without specific agreement *ASTM A529 provides a practical, cost-effective solution for structural applications requiring moderate strength increases over conventional carbon steel while maintaining excellent fabricability and weldability characteristics.* -:- For detailed product information, please contact sales. -: ASTM A514 Steel, Grade N, plate thickness ≤ 19 mm Specification Dimensions Size： Diameter 20-1000 mm Length <5932 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 A514 Steel, Grade N, plate thickness ≤ 19 mm Properties -:- For detailed product information, please contact sales. -:

Spherical ASTM A514 Steel Powder, Grade N Particle Size Description -:- For detailed product information, please contact sales. -: Applications of Spherical ASTM A514 Steel Powder, Grade N -:- For detailed product information, please contact sales. -: -:- For detailed product information, please contact sales. -: Applications of ASTM A514 Steel Spherical Powder, Grade N, plate thickness ≤ 19 mm -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A514 Steel Spherical Powder, Grade N, plate thickness ≤ 19 mm -:- For detailed product information, please contact sales. -:

Packing of ASTM A514 Steel Spherical Powder, Grade N, plate thickness ≤ 19 mm -:- 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 Spherical Powder 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 2403 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