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Standard: API 6A , ASME 16.20,HGJ73-91,HG/T88-94,HGJ74-91,JB/T89-94,GB9128.1-88 ,SHJ403-88, GB9128.2-88 ,HGJ74-91,JB/T89-94 ,SHJ403-88
Type | Cross Section | Standard of Ring Joint Gasket | Standard Of Flange |
Oval |
| ASME B 16.20 API 6A | ANSI B 16.5ASME B16.47, series A |
Octagonal |
| ASME B 16.20 API 6A | ANSI B 16.5 ASME B16.47,seriesA |
RX |
| ASME B 16.20 API 6A | API 6 B |
BX |
| API 6A | API 6 BX |
Material
Material | Maximum Hardnedd (BRINELL) | T( °C) |
Soft Iron | 90 | 530 |
Low carbon Steel | 120 | 530 |
4C6% Chrome 1/2% Mol(F5) | 130 | 500 |
304 Stainless Steel | 160 | 750 |
316 Stainless Steel | 160 | 750 |
321 Stainless Steel | 160 | 750 |
347 Stainless Steel | 160 | 750 |
410 Stainless Steel | 170 | 500 |
31254 Stainless Steel | 160 | 650 |
Monel | 140 | 600 |
Inconel 825 | 160 | 1000 |
Inconel625 | 180 | 1100 |
API 6A Sealing Gasket(RTJ)
