ASTM A514 Steel Sheet,Plate, Grade R

ASTM A514 Steel Sheet/Plate, Grade R Product Information -:- For detailed product information, please contact sales. -: ASTM A514 Steel Sheet/Plate, Grade R Synonyms -:- For detailed product information, please contact sales. -:

ASTM A514 Steel, Grade R Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A514 Grade R High-Strength Quenched and Tempered Alloy Steel** #### **1. Overview** ASTM A514 Grade R is a high-strength quenched and tempered alloy steel plate designed for applications requiring exceptional strength-to-weight ratio and good toughness. This grade is part of the A514 family of steels that achieve their high strength through heat treatment rather than heavy alloying, making them suitable for welded construction in demanding structural applications. #### **2. Key International Standards** - **Primary Standard:** **ASTM A514/A514M** - Standard Specification for High-Yield-Strength, Quenched and Tempered Alloy Steel Plate, Suitable for Welding - **Processing Condition:** Supplied in quenched and tempered condition - **International Equivalents:** - **EN 10025-6:** S690Q (European high-strength steel equivalent) - **JIS G3128:** SHY685 (Japanese high-strength steel) - **GB/T 16270:** Q690 (Chinese high-strength structural steel) #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.15-0.21 | | Manganese (Mn) | 0.95-1.30 | | Silicon (Si) | 0.40-0.80 | | Chromium (Cr) | 0.40-0.65 | | Molybdenum (Mo) | 0.15-0.25 | | Vanadium (V) | 0.03-0.08 | | Boron (B) | 0.001-0.003 | | Phosphorus (P), max | 0.035 | | Sulfur (S), max | 0.035 | *Note: The boron addition significantly enhances hardenability while maintaining good weldability.* #### **4. Mechanical & Physical Properties** **Mechanical Properties (Quenched & Tempered):** - **Tensile Strength:** 790-930 MPa (115-135 ksi) - **Yield Strength (min):** 690 MPa (100 ksi) - **Elongation (min):** 18% in 2 inches - **Reduction of Area (min):** 40% - **Charpy V-Notch Impact:** 54 J @ -40°C (40 ft-lb @ -40°F) **Physical Properties:** - **Density:** 7.85 g/cm³ - **Modulus of Elasticity:** 200 GPa - **Thermal Conductivity:** 42 W/m·K (at 100°C) - **Coefficient of Thermal Expansion:** 11.5 × 10⁻⁶/K (20-100°C) - **Poisson's Ratio:** 0.29 #### **5. Product Applications** - **Construction Equipment:** Crane booms, excavator arms, bulldozer blades - **Mining Machinery:** Shovel dippers, truck frames, support structures - **Structural Applications:** Bridges, high-rise building frameworks - **Transportation:** Truck frames, trailer components - **Industrial Equipment:** Pressure vessels, machinery frames #### **6. Key Characteristics & Advantages** - **High Strength-to-Weight Ratio:** Enables lighter, more efficient structures - **Excellent Toughness:** Good impact resistance at low temperatures - **Good Weldability:** Suitable for welded construction with proper procedures - **Fatigue Resistance:** Superior performance under cyclic loading - **Economic Efficiency:** Provides high strength without excessive alloy costs #### **7. Heat Treatment & Fabrication** - **Heat Treatment:** Water quenched and tempered at appropriate temperatures - **Welding:** Requires low-hydrogen electrodes and pre-heating - **Forming:** Good formability when proper techniques are employed - **Machining:** Can be machined with appropriate tools and techniques #### **8. Quality Assurance** - **Testing:** Full mechanical property verification - **Inspection:** Ultrasonic testing available as supplementary requirement - **Certification:** Mill test certificates provided with shipment ASTM A514 Grade R provides engineers and designers with a reliable high-strength steel solution for applications where weight reduction, structural efficiency, and durability are critical requirements in demanding service environments. -:- For detailed product information, please contact sales. -: ASTM A514 Steel, Grade R Specification Dimensions Size： Diameter 20-1000 mm Length <4399 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 R Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A514 Steel Sheet,Plate, Grade R -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A514 Steel Sheet,Plate, Grade R -:- For detailed product information, please contact sales. -:

Packing of ASTM A514 Steel Sheet/Plate, Grade R -:- 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 Sheet/Plate 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 870 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