ASME SA516 Grade 70N Carbon Steel Disc Forged Circle Plate For Pressure Vessel
Brand Name:YUHONG
Certification:ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:ASME SA516 Gr.70N Carbon Steel Forged Disc
Minimum Order Quantity:1PC
Delivery Time:7 DAYS
Payment Terms:L/C,T/T
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ASME SA516 Grade 70N Carbon Steel Disc / Forged Circle / Round Blanks
ASME SA516 Grade 70N is a specification for carbon steel plates intended for moderate and lower temperature service. Commonly used in pressure vessels, boilers and petrochemical industries due to its good weldability and formability. The "N" indicates that it has been normalized, which enhances mechanical properties and toughness. The specification covers other grade such as Gr.55, Gr.60, Gr.65, Gr.70.
ASME SA516 Grade 70 Carbon Steel Disc Equivalent Standards
| Grade | ASTM | ASME | EN | JIS | BS |
|---|---|---|---|---|---|
| Grade 60/70 | A516 | SA516 | 10028-3 | G3103 | 1501-224 Gr 490 |
ASME SA516 Grade 70 Carbon Steel Disc Chemical Composition
| Element | Grade 60 (%) | Grade 70 (%) |
|---|---|---|
| Silicon (Si) | 0.15 – 0.40 | 0.15 – 0.40 |
| Chromium (Cr) | 0.40 max | 0.40 max |
| Vanadium (V) | 0.02 max | 0.02 max |
| Copper (Cu) | 0.20 max | 0.20 max |
| Carbon (C) | 0.27 max | 0.28 max |
| Manganese (Mn) | 0.79 – 1.30 | 1.00 – 1.60 |
| Phosphorus (P) | 0.035 max | 0.035 max |
| Sulfur (S) | 0.025 max | 0.025 max |
| Molybdenum (Mo) | 0.08 max | 0.08 max |
| Nickel (Ni) | 0.40 max | 0.40 max |
ASME SA516 Grade 60 / ASME SA516 Grade 70 - Tensile Requirements
| ASTM A516 | Grade 55 [380] | Grade 60 [415] | Grade 65 [450] | Grade 70 [485] |
| Tensile strength, ksi [MPa] | 55–75 [380–515] | 60–80 [415–550] | 65–85 [450–585] | 70–90 [485–620] |
| Yield strength, min,a ksi [MPa] | 30 [205] | 32 [220] | 35 [240] | 38 [260] |
| Elongation in 8 in. [200 mm], min, % b | 23 | 21 | 19 | 17 |
| Elongation in 8 in. [50 mm], min, % b | 27 | 25 | 23 | 21 |
| a Determined by either the 0.2 % offset method or the 0.5 %
extension-under-load method. b See Specification A20/A20M for elongation adjustment. | ||||
Manufacturing Process
Forging: Circle plates or round blanks are typically produced through a
forging process, which improves the material's mechanical
properties compared to cast or rolled products.
Heat Treatment: Normalizing is a standard process to relieve stresses and improve
toughness.
Installation and Fabrication
Welding: The plate is often welded to other components during fabrication.
Good weldability aids in creating strong joints.
Machining: It can be machined into various shapes and sizes as required for
specific applications.
One-Time Use: In many cases, once fabricated into a component (like
a vessel or tank), it is a long-term investment for industrial
plants.
Application
1. Pressure Vessels
Application: Used in the construction of pressure vessels that store liquids and gases under pressure.
Reason: Its strength and toughness make it suitable for withstanding high pressure.
2. Boilers
Application: Employed in boiler fabrication, where high temperatures and pressures are commonplace.
Reason: The material can handle extreme conditions without deforming or failing.
3. Storage Tanks
Application: Used to create storage tanks for chemicals, oil, and other hydrocarbons.
Reason: Its resistance to corrosion and high performance at various temperatures makes it ideal for long-term storage.
4. Piping Components
Application: Fabrication of fittings, flanges, and other components that are part of piping systems.
Reason: The material’s weldability allows for easy integration into piping systems.
5. Industrial Equipment
Application: Used in various machinery and equipment that require durability and strength.
Reason: Suitable for components exposed to harsh working environments.
6. Marine Applications
Application: In some cases, it can be used for marine vessels, particularly in tanks and pressure systems.
Reason: Its toughness is advantageous in varying conditions at sea.
7. Power Generation
Application: In steam and gas turbines, particularly in components that are subject to high pressure and temperature.
Reason: High yield strength and good impact toughness are critical in these applications.
ASME SA516 Grade 70N Carbon Steel Disc Forged Circle Plate For Pressure Vessel
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