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] | ||
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. |
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. |
Advantages of ASME SA516 Gr. 70 plate:
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. |
Pressure Vessels:
Boilers:
Heat Exchangers:
Chemical Processing:
Oil and Gas Industries:
Power Plants:
Water Treatment Facilities:
Food and Beverage Industry:
Pharmaceutical Manufacturing: