Metallic ring joint gaskets are heavy duty, high-pressure gaskets largely used in offshore petrochemical and natural gas industry applications. They are precision-engineered components designed to be used in conjunction with precision-machined flanges.
Material Choice:
Metallic Material | Max. Hardness | Identification | Temperature oC |
Brinell | Rockwell B | Min. | Max. |
Soft Iron | 90 | 56 | D | -40 | 540 |
Low Carbon Steel | 120 | 68 | S | -60 | 500 |
SS410 | 170 | 86 | 410 | -40 | 850 |
SS304 | 160 | 53 | 304 | -250 | 540 |
SS316 | 160 | 53 | 316 | -200 | 815 |
SS347 | 160 | 53 | 347 | -200 | 870 |
Inconel 600 | 150 | 78 | Y | -100 | 1095 |
Incoloy 825 | 150 | 78 | W | -100 | 1095 |
Monel 400 | 150 | 78 | M | -100 | 760 |
Titanium | 215 | 77 | T | -200 | 540 |
Nickel 200 | 110 | 58 | N | -200 | 760 |
Hastelloy B2 | 230 | 121 | X1 | -100 | 1095 |
Hastelloy C276 | 210 | 110 | X2 | -100 | 1095 |
Other material upon request
Dimension Standard:
According to ASME B16.20, API 6A, other dimensions as per customer request
Protective Coating:
Usually, Soft iron and low carbon steal rings are treated with a rust preventative fluid, we can offer with Zinc coating too.
Other available protective coating include: Xylan/PTFE, Cadmium, Silver
