Material:
Metal material | Ring type | Max hardness | Temp |
Soft iron | D | 90 HB | -60°C~+500°C |
Low carbon steel | S | 120 HB | -40°C~+500°C |
5Cr1/2Mo | F5 | 130 HB | -40°C~+650°C |
Stainless steel 304(L), 321 | S304(L), S321 | 160 HB | -250°C~+550°C |
Stainless steel 316(L) | S316(L) | 160 HB | -100°C~+550°C |
Stainless steel 347 | S347 | 160 HB | -250°C~+550°C |
Gaskets made of soft iron or low carbon steel materials are normally applied with anticorrosive oil in final production. Zinc electr
Zinc plating is also available on customer's special request, with a higher cost. Other
Other metal materials are also available on request.
Bandak ring joint gaskets are manufactured as ASME B16.20, API 6A, to suit different flange designations
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