Yuhong Group Co.,Ltd
Yuhong Holding Group Co.,LTD
Add to Cart
ASTM SA266 GR.2N Channel Cover Flange Tubesheet
What is tubesheet ?
A tube sheet is a plate which is used to support the tubes in a shell-and-tube heat exchanger. The tubes are aligned in a parallel way, and supported and held in place by tube sheets. The tube sheet is a circular plate which is perforated so that the tubes can fit through the openings.
Description
ASTM SA266 GR.2N is a specification for carbon steel forgings for pressure vessel components. In this context, a Channel Cover Flange Tubesheet would refer to a component used in the construction of heat exchangers or pressure vessels.
The Channel Cover Flange Tubesheet would typically be made from ASTM SA266 GR.2N material, which is a low carbon steel grade suitable for high temperature and pressure applications. This material offers good strength and corrosion resistance, making it a suitable choice for use in demanding environments.
The ASTM SA266 GR.2N Channel Cover Flange Tubesheet would be a critical component in the construction of pressure vessels, ensuring the e and efficient operation of the equipment. It is important to ensure that the material and design specifications meet the required standards for the specific application.
| Item | Chemical Req. for ASTM A266, % | ||
| Gr. 1 & 2 | Gr. 3 | Gr. 4 | |
| C | ≤ 0.30 | ≤ 0.35 | ≤ 0.30 |
| Mn | 0.40~1.05 | 0.80~1.35 | 0.80~1.35 |
| P | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| S | ≤ 0.025 | ≤ 0.025 | ≤ 0.025 |
| Si | 0.15~0.35 | 0.15~0.35 | 0.15~0.35 |
| Tensile Requirements | Gr. 1 | Gr. 2 & 4 | Gr. 3 |
|---|---|---|---|
| T.S min. ksi [Mpa] | 60~85 [415~585] | 70~95 [485~655] | 75~100 [515~690] |
| Y.S min. ksi [Mpa] | 30 [205] | 36 [250] | 37.5 [260] |
| EL. in 2" or [62.5 mm] min. % | 23 [21] | 20 [18] | 19 [17] |
| R.o.A min. % | 38 | 33 | 30 |
| ASTM A266 Grade | Brinell Hardness HBW |
|---|---|
| 1 | 121~170 |
| 2 | 137~197 |
| 3 | 156~207 |
| 4 | 137~197 |
Application
