ASME SA266 Gr.2N FK Carbon Steel Tubesheet, Channel Cover Flange For Heat Exchanger
ASME SA266 Gr.2N FK Carbon Steel Tubesheet, Channel Cover Flange For Heat Exchanger
ASTM A266 / ASME SA266 Gr.1/Gr.2/Gr.3/Gr.4 is a specification of carbon steel forgings, like tubesheets, channel flanges for for pressure vessel components. YUHONG GROUP has supplied these carbon steel tubesheets and flanges for many yesrs with high quality, which are widely used in industries like oil & gas plants, offshore oil drilling, chemical industry, etc..
The tubesheet is one of the key components in a shell & tube heat exchanger.Depending on the tube bundle configuration, a heat exchanger can be equipped with one or two tubesheets.These tubesheets are usually made of low carbon steel material, with a varying thickness based on the fluid pressure. In view of the final applications (like petrochemical, nuclear, oil & gas, etc.), the tubesheet can be cladded with stainless steel or other super alloys or even be entirely made out stainless steel or superalloys.
Material Standard:
| ASTM A266 / ASME SA266 | ||||
| Material Grade | Grade 1 | Grade 2 | Grade 3 | Grade 4 |
Specification:
| Specification | ASTM A266 / ASME SA266 |
| Grade | Grade 2 |
| Schedule Chart | SCH 5S To XXS. |
| Supporting Material | Gasket/ Ring Joint/ Flange Bolts |
| Production Technique | Forged/ Heat treated and machined |
| Forging Methods | Forging & Casting, Rolling & Cutting |
| Manufacturer | Forged/ Threaded/ Screwed / Plate |
| Face Type | RTJ/ RF/ FF |
Chemical Composition:
| Carbon (C) | 0.30 max |
| Manganese (Mn) | 0.40~1.05 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.15~0.35 |
Mechanical Properties:
| Tensile Strength (MPa) | 485~655 |
| Yield Strength (MPa) | 250 min |
| Elongation (%) | 18 min |
| Reduction Area (%) | 33 min |
Applications:
Gas Processing Plants
Oil Drilling Plants
Heat Exchangers & Boilers
Chemical Equipments
Petrochemical Plants
Condensers
Shipbuilding Equipments
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