ASTM A516 Carbon Steel Capillary, Grade 70

ASTM A516 Carbon Steel Capillary, Grade 70 Product Information -:- For detailed product information, please contact sales. -: ASTM A516 Carbon Steel Capillary, Grade 70 Synonyms -:- For detailed product information, please contact sales. -:

ASTM A516 Carbon Steel, Grade 70 Product Information -:- For detailed product information, please contact sales. -: ### **Product Introduction: ASTM A516 / A516M Carbon Steel, Grade 70** #### **1. Overview** ASTM A516 Grade 70 is a pressure vessel quality carbon steel plate designed for moderate and lower-temperature service, offering higher strength characteristics within the A516 specification series. This grade is widely specified for welded pressure vessels where improved mechanical properties and good notch toughness are required. #### **2. Key International Standards** - **Primary Standard:** **ASTM A516 / A516M** - Standard Specification for Pressure Vessel Plates, Carbon Steel, for Moderate- and Lower-Temperature Service - **Governing Standard:** **ASTM A20/A20M** - Standard Specification for General Requirements for Steel Plates for Pressure Vessels - **International Equivalents:** - **EN 10028-3:** P355NL1/P355NL2 (European equivalents for low temperature service) - **JIS G3115:** SB410 (Japanese pressure vessel steel) - **GB 713:** Q345R (Chinese pressure vessel steel equivalent) #### **3. Chemical Composition (Weight %)** | Element | Composition (%) | |---------|-----------------| | Carbon (C), max | 0.27 | | Manganese (Mn) | 0.85-1.30 | | Phosphorus (P), max | 0.025 | | Sulfur (S), max | 0.025 | | Silicon (Si) | 0.15-0.40 | | **Special Requirement** | **Killed steel, fine austenitic grain practice** | *Note: The controlled chemistry with higher manganese content provides enhanced strength while maintaining good toughness through fine grain practice.* #### **4. Mechanical & Physical Properties** **Mechanical Properties (at room temperature):** - **Tensile Strength:** 485-620 MPa (70-90 ksi) - **Yield Strength (min):** 260 MPa (38 ksi) - **Elongation in 2" (min):** 21% - **Hardness (typical):** 160-200 HB **Impact Toughness Properties:** - **Charpy V-Notch Impact (min):** 20 J @ -45°C (15 ft-lb @ -50°F) for normalized material **Physical Properties:** - **Density:** 7.85 g/cm³ (0.284 lb/in³) - **Modulus of Elasticity:** 200 GPa (29,000 ksi) - **Thermal Conductivity:** 48.5 W/m·K (at 100°C) - **Coefficient of Thermal Expansion:** 11.5 × 10⁻⁶/K (20-100°C) #### **5. Product Applications** - **Pressure Vessels:** Boilers, reactors, storage tanks - **Petrochemical Industry:** Process vessels, distillation columns - **Power Generation:** Boiler drums, steam drums, deaerators - **Oil and Gas:** Refinery equipment, gas processing vessels - **Low Temperature Service:** Tanks for liquefied gases, cryogenic applications #### **6. Key Characteristics & Advantages** - **Enhanced Strength:** Higher mechanical properties compared to Grade 65 - **Excellent Notch Toughness:** Good impact resistance at low temperatures - **Superior Weldability:** Suitable for all conventional welding processes - **Cost-Effective:** Provides higher strength without significant cost premium - **Fine Grain Structure:** Ensures consistent properties and good toughness #### **7. Fabrication Considerations** - **Welding:** Standard welding practices applicable with proper procedures - **Forming:** Good formability for bending and shaping operations - **Heat Treatment:** Typically supplied in normalized condition for optimal properties - **Machining:** Good machinability with standard tooling #### **8. Quality Assurance** - **Testing:** Comprehensive mechanical and impact testing required - **Inspection:** Non-destructive testing available as supplementary requirement - **Certification:** Mill test certificates with full traceability - **Grain Size:** Fine austenitic grain size verification mandatory ASTM A516 Grade 70 offers pressure vessel manufacturers an optimal balance of strength, toughness, and fabricability, making it one of the most widely specified grades for general pressure vessel construction where reliable performance at moderate and lower temperatures is essential. -:- For detailed product information, please contact sales. -: ASTM A516 Carbon Steel, Grade 70 Specification Dimensions Size： Diameter 20-1000 mm Length <4406 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 A516 Carbon Steel, Grade 70 Properties -:- For detailed product information, please contact sales. -:

Applications of ASTM A516 Carbon Steel Capillary, Grade 70 -:- For detailed product information, please contact sales. -: Chemical Identifiers ASTM A516 Carbon Steel Capillary, Grade 70 -:- For detailed product information, please contact sales. -:

Packing of ASTM A516 Carbon Steel Capillary, Grade 70 -:- 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 Capillary 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 877 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