ASTM Flange Standards

2016-07-28View Original

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The last edit to this post was made by Huddled together 421 on 2016-7-29 at 09:57. Does any member have the ASTM flange standards? I need to check the thickness of the fitting where the flange connects to the pipe. The specifications are DN250 CL300, RF, ASTM B16.5, ASTM A105, Sch100. Please help me, expert Haiyou! :P

Reply #22016-07-28

Is the thickness the thickness C of the flange or the thickness S at the nozzle position?

Reply #32016-07-28

If it is the thickness of the flange (not the height), then it is: 47.7 + 2 = 49.7 mm

Reply #42016-07-28

If the wall thickness corresponding to SCH100 for DN250 is required, it is 18.26 MM

Reply #52016-07-28

There’s no need to look at French standards for this. . . Direct ASME B36.10M ASME B36.19M

Reply #62016-07-28

The wall thickness at the section where the flange is welded to the pipe.

Reply #72016-07-29

ASME B16.5, take a look

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ASTM Flange Standards

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