ASTM A514 Steel Wire, grade A

ASTM A514 Steel Wire, grade A, plate thickness ≤ 19 mm Product Information -:- For detailed product information, please contact sales. -: ASTM A514 Steel Wire, grade A, plate thickness ≤ 19 mm Synonyms -:- For detailed product information, please contact sales. -:

ASTM A514 Steel, grade A, plate thickness ≤ 19 mm Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A514 Steel, Grade A (Plate Thickness ≤ 19 mm)** --- #### **1. Product Overview** ASTM A514 Grade A is a **high-strength quenched and tempered alloy steel plate** specifically designed for applications requiring exceptional strength and toughness. With plate thickness limited to 19 mm (0.75 inches) or less for Grade A, this material offers superior mechanical properties including very high yield strength, excellent impact resistance, and good weldability when proper procedures are followed. It is particularly suitable for heavy-duty structural applications in demanding environments. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A514 Grade A (t ≤ 19 mm)** | | **UNS Number** | **K11576** | | **ISO International Standard** | **ISO 4950** | | **European Norm (EN)** | **EN 10025-6 S690Q** | | **Japanese (JIS)** | **SHY685** | | **Chinese GB** | **GB/T 16270 Q690** | --- #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | **Carbon (C)** | 0.15 - 0.21 | | **Manganese (Mn)** | 0.80 - 1.10 | | **Phosphorus (P)** | 0.035 max | | **Sulfur (S)** | 0.035 max | | **Silicon (Si)** | 0.40 - 0.80 | | **Nickel (Ni)** | 0.70 - 1.00 | | **Chromium (Cr)** | 0.40 - 0.65 | | **Molybdenum (Mo)** | 0.40 - 0.60 | | **Vanadium (V)** | 0.03 - 0.08 | | **Boron (B)** | 0.001 - 0.005 | | **Copper (Cu)** | 0.15 - 0.50 | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Alloy-Rich Chemistry**: Multiple alloying elements for hardenability - **Boron Addition**: Enhances hardenability and strength - **Controlled Carbon**: Balanced for weldability and strength - **Nickel Content**: Improves toughness and hardenability --- #### **4. Mechanical Properties (Thickness ≤ 19 mm)** **Tensile Properties:** - **Tensile Strength**: 760 - 895 MPa (110 - 130 ksi) - **Yield Strength**: 690 MPa (100 ksi) min - **Elongation in 50 mm (2 in)**: 18% min - **Reduction of Area**: 40% min **Impact Properties:** - **Charpy V-Notch Impact**: 54 J (40 ft-lb) min at -18°C (0°F) - **Fracture Toughness**: Excellent for high-strength steel **Hardness Properties:** - **Brinell Hardness**: 235 - 293 HB - **Typical Hardness**: 260 HB --- #### **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** | 42.0 W/m·K at 20°C | | **Coefficient of Thermal Expansion** | 11.5 × 10⁻⁶ /K (20-100°C) | | **Specific Heat Capacity** | 460 J/kg·K | --- #### **6. Product Applications** **Heavy Construction Equipment:** - **Crane Booms and Components**: High-strength structural members - **Excavator Arms and Buckets**: Wear-resistant digging components - **Mining Shovels and Equipment**: High-stress structural elements - **Construction Machinery Frames**: Heavy-duty support structures **Transportation and Infrastructure:** - **Bridge Components**: Critical tension members in truss bridges - **Off-Highway Vehicle Frames**: Heavy equipment chassis - **Railroad Components**: High-stress railway applications - **Military Vehicle Armor**: Structural armor applications **Industrial Applications:** - **Pressure Vessels**: High-pressure containment systems - **Mining Equipment**: Crusher components and structural supports - **Material Handling**: Heavy-duty conveyor systems and supports - **Industrial Machinery**: High-stress machine components --- #### **7. Manufacturing & Fabrication** **Heat Treatment:** - **Quenching**: Water or oil quenching from austenitizing temperature - **Tempering**: Typically 540-675°C (1000-1250°F) for optimal properties - **Microstructure**: Tempered martensite for strength and toughness **Welding Performance:** - **Weldability**: Good with proper procedures and controls - **Pre-heat Temperature**: 150-230°C (300-450°F) recommended - **Interpass Temperature**: Maximum 230°C (450°F) - **Post-Weld Heat Treatment**: Often required to restore properties - **Filler Metals**: Matching strength low-hydrogen electrodes required **Machining & Forming:** - **Machinability**: Fair to good with proper tooling and techniques - **Forming**: Requires careful handling due to high strength - **Cutting**: Thermal cutting methods require proper procedures --- #### **8. Quality Assurance & Testing** **Standard Tests:** - Chemical analysis per heat - Tension tests - Charpy V-notch impact tests - Hardness tests - Non-destructive testing (when specified) **Enhanced Testing:** - Ultrasonic examination - Fracture toughness testing - Microstructural examination - Hydrogen content verification --- #### **9. Corrosion Performance** - **Atmospheric Corrosion**: Similar to other low-alloy steels - **Protection Required**: Painting or coating for corrosion protection - **Stress Corrosion Cracking**: Proper design and protection required - **Coating Compatibility**: Excellent with proper surface preparation --- #### **10. Available Product Forms** **Plate Specifications:** - **Thickness Range**: Up to 19 mm (0.75 inches) for Grade A - **Width Range**: Typically up to 3600 mm (142 inches) - **Length Range**: Up to 18000 mm (710 inches) - **Surface Finish**: Mill finish, blasted, or machined as required --- #### **11. Technical Specifications** **Dimensional Tolerances:** - **Thickness Tolerance**: ±0.25 mm to ±0.8 mm depending on thickness - **Width Tolerance**: +25 mm, -0 mm - **Length Tolerance**: +50 mm, -0 mm - **Flatness**: 15 mm/m maximum **Special Considerations:** - **Lamellar Tearing Resistance**: Good with proper design - **Fatigue Performance**: Excellent for high-cycle applications - **Crack Propagation**: Good resistance to crack growth --- **Technical Notes:** - Grade A provides minimum 690 MPa yield strength for thicknesses ≤ 19 mm - Quenched and tempered condition provides optimal strength-toughness combination - Requires strict adherence to welding procedures to maintain properties - Suitable for highly stressed structural applications - Must comply with applicable structural design codes for high-strength steel - Professional engineering design required for all applications *This information is for reference purposes. For complete technical requirements and design specifications, consult the latest ASTM A514 standard and applicable structural design codes. All applications must be designed and certified by qualified professional engineers.* -:- For detailed product information, please contact sales. -: ASTM A514 Steel, grade A, plate thickness ≤ 19 mm Specification Dimensions Size： Diameter 20-1000 mm Length <4264 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 A, plate thickness ≤ 19 mm Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A514 Steel Wire, grade A, plate thickness ≤ 19 mm -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A514 Steel Wire, grade A, plate thickness ≤ 19 mm -:- For detailed product information, please contact sales. -:

Packing of ASTM A514 Steel Wire, grade A, 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 Wire 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 735 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