ASME SA516 Gr.70 Steel Baffle Plate Boiler And Pressure Vessel Support Plates
ASME SA516 GR.70 Carbon Steel Baffle Support Plate For Pressure Vessels
ASME SA516 Gr. 70 is a high-quality carbon steel plate commonly used in the fabrication of pressure vessels and industrial boiler components. With its excellent mechanical properties, including good tensile strength and toughness, this material is particularly suited for applications in environments that demand resilience against pressure and temperature fluctuations. These plates are designed to provide structural support and to guide the flow of fluids, ensuring optimal operational performance. Their ability to withstand stress and fatigue makes them a popular choice in industries such as oil and gas, chemical processing, and power generation
Equivalent Grade of ASME SA516 Grade 70 plate
| British Standard | European Norm | ASTM/ASME | DIN |
| BS1501-224-490A/B | EN10028 P355GH | A/SA516 – Grade 70 | – |
Chemical Requirements of ASME SA516 Grade 70 plate
| Element | Composition % | ||||
| Grade 55 [Grade 380] |
Grade 60 [Grade 415] |
Grade 65 [Grade 450] |
Grade 70 [Grade 485] |
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| Carbon, max a,b : | |||||
| 1⁄2 in. [12.5 mm] and under | 0.18 | 0.21 | 0.24 | 0.27 | |
| Over 1⁄2 in. to 2 in. [12.5 to 50 mm], incl | 0.20 | 0.23 | 0.26 | 0.28 | |
| Over 2 in. to 4 in. [50 to 100 mm], incl | 0.22 | 0.28 | 0.25 | 0.30 | |
| Over 4 to 8 in. [100 to 200 mm], incl | 0.24 | 0.27 | 0.29 | 0.31 | |
| Over 8 in. [200 mm] | 0.26 | 0.27 | 0.29 | 0.31 | |
| Manganese, b : | |||||
| 1⁄2 in. [12.5 mm] and under | |||||
| Heat analysis | 0.60–0.90 | 0.60–0.90 c | 0.85–1.20 | 0.85–1.20 | |
| Product analysis | 0.55–0.98 | 0.55–0.98 c | 0.79–1.30 | 0.79–1.30 | |
| Over 1⁄2 in. [12.5 mm]: | |||||
| Heat analysis | 0.60–1.20 | 0.85–1.20 | 0.85–1.20 | 0.85–1.20 | |
| Product analysis | 0.55–1.30 | 0.79–1.30 | 0.79–1.30 | 0.79–1.30 | |
| Phosphorus, max a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Sulphur, max a | 0.25 | 0.25 | 0.25 | 0.25 | |
| Silicon | |||||
| Heat analysis | 0.15–0.40 | 0.15–0.40 | 0.15–0.40 | 0.15–0.40 | |
| Product analysis | 0.13–0.45 | 0.13–0.45 | 0.13–0.45 | 0.13–0.45 | |
| a Applies to both heat and product analyses. b For each reduction of 0.01 percentage point below the specified maximum for carbon, an increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50 % by heat analysis and 1.60 % by product analysis. c Grade 60 plates 1⁄2 in. [12.5 mm] and under in thickness may have 0.85–1.20 % manganese on heat analysis, and 0.79–1.30 % manganese on product analysis. |
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Tensile Requirements of ASME SA516 Grade 70 plate
| 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. |
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Advantages of ASME SA516 Gr. 70 plate:
- Cost-Effectiveness: More affordable for large-scale projects.
- Ease of Fabrication: Excellent weldability and formability.
- Good Performance: Adequate mechanical properties for various applications.
- Versatility: Suitable for a range of industries where extreme corrosion resistance is not the primary concern.
Other Materials
| Type of materials | Technical requirements * according to |
| Duplex Stainless Steel | ASTM/ASME SA182 F44, F45, F51, F53, F55, F60, F61 |
| Stainless Steel | ASTM/ASME SA182 F304,304L,F316,316L, F310, F317L, F321, F347 |
| Carbon Steel | ASTM/ASME A105, A350 LF1, LF2, A266, A694, A765 Gr.2 |
| Alloy Steel | ASTM/ASME SA182 F1, F5, F9, F11, F12, F22, F51, A350-LF3 |
| Titanium | ASTM/ASME SB381, Gr.1, Gr.2, Gr.5, Gr.7, Gr.12, Gr.16 |
| Copper Nickel | ASTM/ASME SB151, UNS 70600(Cu-Ni 90/10), 71500(Cu-Ni 70/30) |
| Brass, Al-brass | ASTM/ASME SB152 UNS C10100, C10200,C10300,C10800,C12200 |
| Nickel Alloys | ASTM/ASME SB169,SB171, SB564, UNS 2200, UNS 4400, UNS 8825 UNS 6600, UNS 6601, UNS 6625 |
| Alloy 20 | ASTM/ASME SB472 UNS 8020 |
| Hastelloy | ASTM/ASME SB564, UNS10276 ( C 276 ) |
| Claded materials | ASTM/ASME SB898, SB263, SB264 or closer explosion cladding, making materials of 2 in 1 or 3 in 1. |
| Titanium- Steel, Nickel-Steel,Titanium- Copper, Stainless Steel- Carbon Steel, Alloys- Steel etc. |
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Pressure Vessels:
- Used as internal components to direct fluid flow and enhance mixing, thereby improving the efficiency of the vessel.
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Boilers:
- Employed in steam boilers to support heat transfer surfaces and manage water circulation.
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Heat Exchangers:
- Function as baffles in heat exchangers to improve thermal efficiency by directing fluid flow and preventing turbulence.
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Chemical Processing:
- Utilized in reactors and storage units to assist in the mixing and reaction of chemicals while providing structural integrity.
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Oil and Gas Industries:
- Applied in separators and tanks to facilitate the separation of oil, gas, and water, ensuring efficient operation under high pressure.
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Power Plants:
- Used in both fossil fuel and nuclear power plants as part of cooling systems and heat recovery systems to ensure optimal performance.
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Water Treatment Facilities:
- Serve as essential components in clarifiers and sedimentation tanks to help improve water quality through effective flow management.
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Food and Beverage Industry:
- Certain applications may call for SA516 Gr. 70 plates for structural support in specialized processes, provided proper coating is applied for corrosion resistance.
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Pharmaceutical Manufacturing:
- In some cases, they are used in reactors and vessels, ensuring strong and durable support structures.
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