Standard standards for commonly used stainless steel flanges:
(PL, SO, WN, BL, Th)
Italian stainless steel flange standard: UNI2276, 2277, 2278, 6083, 6084, 6088, 6089, 2280, 2281, 2282, 2283
(PL, SO, WN, BL, Th)
Department of Stainless Steel Flastic Standards of the Ministry of Chemical Engineering: HG5010-52 ～ HG5028-58, HGJ44-91 ～ HGJ65-91
Hg20592-97 (HG20593-97 ～ HG20614-97)
Hg20615-97 (HG20616-97 ～ HG20635-97)
Machinery Department Stainless Steel Flange Standard: JB81-59 ～ JB86-59, JB/T79-94 ～ JB/T86-94
Pressure container stainless steel flange standard: JB1157-82 ~ JB1160-82, JB4700-2000 ～ JB4707-2000
Boat flange stainless steel flange standards: GB/T11694-94, GB/T3766-1996, GB/T11693-94, GB10746-89, GB/T4450-1995, GB/T11693-94, GB573-65, GB2506-89, GB573-65, GB2506-89 CBM1012-81, CBM1013, etc.
Flastic production stainless steel flange standard
National standard: GB/T9112-2000 (GB9113 · 1-2000 ～ GB9123 · 4-2000)
Department of Stainless Steel Flastic Standards of the Ministry of Chemical Industry: HG5010-52 ~ HG5028-58, HGJ44-91 ～ HGJ65-91, HG20592-97 series, HG20615-97 series
Machinery Department Stainless Steel Flange Standard: JB81-59 ～ JB86-59, JB/T79-94 ～ JB/T86-94, JB/T74-1994
Pressure container stainless steel flange standard: JB1157-82 ~ JB1160-82, JB4700-2000 ～ JB4707-2000 B16.47A/B16.39 B16.48
Link to this article：What is stainless steel flange standard
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