ASTM A514 Steel Seamless tube, grade E

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

ASTM A514 Steel, grade E, plate thickness ≤ 19 mm Product Information -:- For detailed product information, please contact sales. -: ### **Technical Data Sheet: ASTM A514 Steel, Grade E (Plate Thickness ≤ 19 mm)** --- #### **1. Product Overview** ASTM A514 Grade E is a **high-strength quenched and tempered alloy steel plate** designed for applications requiring exceptional toughness and weldability in thinner sections. With plate thickness limited to 19 mm (0.75 inches) for Grade E, this material offers a specialized balance of high strength, superior impact resistance, and excellent welding characteristics, making it particularly suitable for applications where dynamic loading and fatigue resistance are critical. --- #### **2. International Standards & Equivalents** | Standard Organization | Designation | |-----------------------|-------------| | **ASTM International** | **A514 Grade E (t ≤ 19 mm)** | | **UNS Number** | **K11579** | | **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)** | 0.12 - 0.20 | | **Manganese (Mn)** | 0.60 - 1.00 | | **Phosphorus (P)** | 0.035 max | | **Sulfur (S)** | 0.035 max | | **Silicon (Si)** | 0.20 - 0.35 | | **Nickel (Ni)** | 0.70 - 1.00 | | **Chromium (Cr)** | 0.40 - 0.70 | | **Molybdenum (Mo)** | 0.15 - 0.25 | | **Vanadium (V)** | 0.03 - 0.08 | | **Boron (B)** | 0.001 - 0.005 | | **Copper (Cu)** | 0.15 - 0.50 | | **Titanium (Ti)** | 0.01 - 0.03 | | **Iron (Fe)** | Balance | **Key Composition Features:** - **Optimized Carbon Content**: 0.12-0.20% for enhanced weldability - **Enhanced Nickel**: 0.70-1.00% for superior low-temperature toughness - **Titanium Addition**: For grain refinement and improved HAZ properties - **Balanced Alloy System**: Specifically designed for thinner section applications --- #### **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**: 45% min **Impact Properties:** - **Charpy V-Notch Impact**: 61 J (45 ft-lb) min at -18°C (0°F) - **Fracture Toughness**: Excellent crack initiation and propagation resistance - **Fatigue Performance**: Superior resistance to cyclic loading **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** | 43.5 W/m·K at 20°C | | **Coefficient of Thermal Expansion** | 11.4 × 10⁻⁶ /K (20-100°C) | | **Specific Heat Capacity** | 465 J/kg·K | --- #### **6. Product Applications** **Heavy Mobile Equipment:** - **Crane Boom Tips and Extensions**: High-stress, fatigue-critical components - **Excavator Stick Arms**: Dynamic load-bearing members - **Mining Equipment Buckets**: Impact-resistant digging components - **Construction Machinery Attachments**: High-stress connection points **Transportation and Infrastructure:** - **Bridge Floor Beams**: Fatigue-critical members in highway bridges - **Off-highway Vehicle Frames**: Chassis components subject to dynamic loading - **Railway Components**: Bogie frames and suspension elements - **Heavy Transport Equipment**: Critical structural members in transport systems **Specialized Applications:** - **Wind Turbine Components**: Tower sections and connection elements - **Marine Equipment**: Structural components in workboats and offshore support vessels - **Military Vehicles**: Armored vehicle components and structural elements - **Industrial Machinery**: High-speed machine frames and moving components --- #### **7. Manufacturing & Fabrication** **Heat Treatment Process:** - **Austenitizing**: 880-930°C (1615-1705°F) for complete transformation - **Quenching**: Accelerated cooling to achieve fine martensitic structure - **Tempering**: 560-650°C (1040-1200°F) for optimal toughness - **Microstructure**: Fine-grained tempered martensite **Welding Performance:** - **Pre-heat Requirement**: 150-200°C (300-400°F) minimum - **Interpass Control**: Maximum 230°C (450°F) - **Post-Weld Heat Treatment**: Recommended at 595-650°C (1100-1200°F) - **Filler Metal Selection**: AWS E11018-G or equivalent premium electrodes - **Welding Processes**: GMAW, FCAW-G with optimized parameters **Fabrication Characteristics:** - **Thermal Cutting**: Excellent results with plasma and laser cutting - **Cold Forming**: Good formability for high-strength steel - **Machining**: Good machinability with proper tooling - **Surface Preparation**: Excellent for high-performance coating systems --- #### **8. Quality Assurance & Testing** **Comprehensive Testing Protocol:** - Complete chemical analysis with advanced spectroscopy - Multiple tension tests from different locations - Enhanced Charpy impact testing at multiple temperatures - Hardness surveys across plate surfaces - Ultrasonic examination for internal quality **Advanced Testing Requirements:** - Fatigue testing for critical applications - Fracture toughness evaluation - Microstructural analysis - Hydrogen content verification --- #### **9. Corrosion Performance** - **Atmospheric Corrosion**: Standard protection required - **Coating Adhesion**: Excellent with proper surface preparation - **Corrosion Fatigue**: Good resistance with proper design - **Protection Systems**: Compatible with all standard coating systems --- #### **10. Available Product Forms** **Plate Specifications:** - **Thickness Range**: Up to 19 mm (0.75 inches) for Grade E - **Width Range**: Up to 3600 mm (142 inches) - **Length Range**: Up to 18000 mm (710 inches) - **Surface Conditions**: Mill finish, blast cleaned, or pre-primed --- #### **11. Technical Specifications** **Dimensional Tolerances:** - **Thickness Tolerance**: ±0.25 mm to ±0.7 mm - **Width Tolerance**: +20 mm, -0 mm - **Length Tolerance**: +40 mm, -0 mm - **Flatness**: 12 mm/m maximum **Engineering Properties:** - **Fatigue Strength**: Excellent for dynamic loading applications - **Fracture Toughness**: Superior crack resistance - **Weldability**: Excellent for high-strength steel - **Impact Resistance**: Outstanding low-temperature performance --- **Technical Notes:** - Grade E provides minimum 690 MPa yield strength with enhanced toughness in thinner sections - Specifically designed for applications requiring superior fatigue and impact resistance - Requires qualified welding procedures but offers excellent weldability for its strength level - Suitable for highly stressed components subject to dynamic and impact loading - Must comply with AWS D1.1 and other relevant structural codes - Professional engineering design recommended for all applications *This information is for reference purposes. For complete technical requirements, consult the latest ASTM A514 standard and applicable structural design codes. Always verify material properties with certified mill test reports and employ qualified engineering professionals for design and fabrication.* -:- For detailed product information, please contact sales. -: ASTM A514 Steel, grade E, plate thickness ≤ 19 mm Specification Dimensions Size： Diameter 20-1000 mm Length <4271 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 E, plate thickness ≤ 19 mm Properties -:- For detailed product information, please contact sales. -:

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

Packing of ASTM A514 Steel Seamless tube, grade E, 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 Seamless 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 742 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