application of quality standards stainless steel threaded pipe fittings

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Flanges Manufacturing infrastructure

Flanges Manufacturing Process

Click here to see Manufacturing Process of Stainless Steel Flanges & Carbon Steel Flanges




Standard flanges according to DIN EN 1092-1

Description
Flange (Old standard)
Welding flanges Type 01 (DIN 2573, 2576)
Loose flanges and 
plain collars
Type 02 + 33/32 (DIN 2641, 2642, 2655, 2656)
Loose flanges and 
welding necks
Type 04 + 34 (DIN 2673)
Blind flanges Type 05 (DIN 2527)
Welding
Type 11 (DIN 2630 - 2635)
Screwed Type 13 (DIN 2566)

Other Flanges

Description Standard
Flanges for vessels and equipment DIN 28030, 28031, 28032
Oval threaded DIN 2558
Flanges for exhaust pipes on ships DIN 86044
Flat flanges for ventilation systems DIN 24154

Materials

Description Standard (Old name)
S235JR EN 10025-2 (R-St37-2)
P265GH EN 10028-2 (HII)
16Mo3 EN 10028-2 (15Mo3)
1.4301 EN 10088 (V2A)
1.4541 EN 10088
1.4571 EN 10088 (V4A)





     
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