Is it necessary to use forged flanges?
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Does the 0.35MPa saturated steam flange need to use 20# forging flange?
What kind of flange do you want to use for the 0.35MPa saturated steam flange instead of the 20# forging? I don’t know whether the intention of the question is to think of it as a high choice or a low choice?
Does the flange need to be made of 16Mn material?
The flange standard requires that the flange be forged.
In the projects I have done, the flanges are all forged pieces~
Standards generally recommend the use of forgings and do not recommend the use of steel plates.
It is best to use forged flanges. If the conditions are not met, there should be no problem in making homemade flanges with thick steel plates. After all, the pressure is very low? Just a little ugly.