ASTM A517 Low Alloy Steel Wire, Grade B

ASTM A517 Low Alloy Steel Wire, Grade B Product Information -:- For detailed product information, please contact sales. -: ASTM A517 Low Alloy Steel Wire, Grade B Synonyms -:- For detailed product information, please contact sales. -:

ASTM A517 Low Alloy Steel, Grade B Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A517 Low Alloy Steel, Grade B** #### **1. Overview** ASTM A517 Grade B is a premium high-strength quenched and tempered alloy steel plate offering enhanced mechanical properties within the A517 specification series. This grade is specifically engineered for applications requiring superior strength, toughness, and fatigue resistance in demanding service conditions, particularly in pressure vessel and structural applications. #### **2. Key International Standards** - **Primary Standard:** **ASTM A517/A517M** - Standard Specification for Pressure Vessel Plates, Alloy Steel, High-Strength, Quenched and Tempered - **Governing Standard:** **ASTM A20/A20M** - Standard Specification for General Requirements for Steel Plates for Pressure Vessels - **International Equivalents:** - **EN 10028-6:** S690Q/S890Q (European high-strength steel equivalents) - **JIS G3128:** SHY685 (Japanese high-strength steel) - **GB/T 16270:** Q690D/Q890D (Chinese high-strength steel equivalents) #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | Carbon (C) | 0.15-0.21 | | Manganese (Mn) | 0.70-1.00 | | Silicon (Si) | 0.15-0.35 | | Chromium (Cr) | 0.40-0.65 | | Molybdenum (Mo) | 0.40-0.60 | | Vanadium (V) | 0.03-0.08 | | Boron (B) | 0.001-0.003 | | Phosphorus (P), max | 0.035 | | Sulfur (S), max | 0.035 | *Note: The optimized alloy package with higher molybdenum content provides enhanced strength and tempering resistance compared to Grade A.* #### **4. Mechanical & Physical Properties** **Mechanical Properties (Quenched & Tempered):** - **Tensile Strength:** 795-930 MPa (115-135 ksi) - **Yield Strength (min):** 690 MPa (100 ksi) - **Elongation in 2" (min):** 16% - **Reduction of Area (min):** 40% - **Hardness (typical):** 240-302 HB **Impact Toughness Properties:** - **Charpy V-Notch Impact:** 41 J @ -45°C (30 ft-lb @ -50°F) min **Physical Properties:** - **Density:** 7.85 g/cm³ (0.284 lb/in³) - **Modulus of Elasticity:** 205 GPa (29,700 ksi) - **Thermal Conductivity:** 41.5 W/m·K (at 100°C) - **Coefficient of Thermal Expansion:** 11.3 × 10⁻⁶/K (20-100°C) - **Poisson's Ratio:** 0.29 #### **5. Product Applications** - **High-Pressure Vessels:** Reactors, separators, pressure containers - **Power Generation Equipment:** Hydroelectric penstocks, pressure conduits - **Heavy Construction Machinery:** Crane booms, excavator arms - **Mining Equipment:** Shovel components, mining truck frames - **Structural Engineering:** Bridges, offshore platforms - **Defense Applications:** Military vehicle components #### **6. Key Characteristics & Advantages** - **Exceptional Strength:** Minimum yield strength of 690 MPa (100 ksi) - **Superior Toughness:** Excellent impact resistance at low temperatures - **Enhanced Fatigue Performance:** Superior resistance to cyclic loading - **Good Weldability:** Suitable for welding with proper procedures - **Temper Resistance:** Higher molybdenum content provides improved high-temperature stability #### **7. Fabrication Considerations** - **Welding:** Requires strict control of pre-heat (175-250°C) and interpass temperatures - **Forming:** Good formability when proper bending radii are maintained - **Heat Treatment:** Supplied in quenched and tempered condition - **Machining:** Requires appropriate tooling and cutting parameters - **Thermal Cutting:** Oxy-fuel and plasma cutting applicable with proper techniques #### **8. Quality Assurance** - **Testing:** Comprehensive mechanical and impact testing required - **Inspection:** Ultrasonic testing per supplementary requirements - **Certification:** Full traceability with mill test certificates - **Hardness Verification:** Required to ensure proper heat treatment ASTM A517 Grade B provides a superior high-strength alloy steel solution for the most demanding applications where exceptional mechanical properties, reliable performance, and structural efficiency are critical requirements in challenging service environments. -:- For detailed product information, please contact sales. -: ASTM A517 Low Alloy Steel, Grade B Specification Dimensions Size： Diameter 20-1000 mm Length <4408 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 A517 Low Alloy Steel, Grade B Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A517 Low Alloy Steel Wire, Grade B -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A517 Low Alloy Steel Wire, Grade B -:- For detailed product information, please contact sales. -:

Packing of ASTM A517 Low Alloy Steel Wire, Grade B -:- 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 879 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