Awọn ibeere imọ-ẹrọ fun awọn ayederu flange paipu (pẹlu eke ati awọn ege yiyi)

Imọ ibeere funpaipu flange forgings(pẹluayederuatiti yiyi ege).
1.Awọn ite ati imọ awọn ibeere tiforgings(pẹlueke ati ti yiyi ege) yoo pade awọn ibeere ti o baamu ti JB4726-4728.
2.Iwọn titẹ PN 0.25 MP 1.0 MPa erogba irin ati austenitic alagbarairin forgingslaaye awọn lilo ti ipele Ⅰ forgings.
3.Ni afikun si awọn ipese atẹle, titẹ ipin ti PN 1.6 MPa si 6.3 MPa forgings yoo ni ibamu si ipele Ⅱ tabi ipele giga Ⅱforgings awọn ipele.
4.Ninu ọkan ninu awọn atẹle yẹ ki o ni ibamu pẹlu ibeere ti Ⅲ atiforgings: (1) ipin titẹ PN acuity 10,0 MPaflange eke; (2) chromium-molybdenumirin forgingspẹlu ipin titẹ PN> 4.0MPa; (3) ferriticirin forgingspẹlu titẹ ipin PN> 1.6MPa ati iwọn otutu ti nṣiṣẹ ≤-20 ℃.

https://www.shdhforging.com/news/technical-requirements-for-pipe-flange-forgings-including-forged-and-rolled-pieces
Buttalurinmorin pẹlu ọrun, alapin alurinmorin pẹlu ọrun, iho alurinmorinatiasapo flangeti wa ni gbogbo ṣe nipasẹ ayederu tabieke sẹsẹilana.Nigbati a ba lo awo irin tabi irin apakan, awọn ibeere wọnyi gbọdọ pade:
1.Awọn irin awo yoo wa ni ayewo nipa ultrasonic lai stratification abawọn;
2.A o ge e si awọn ila pẹlu itọsọna yiyi ti irin, ki o si welded sinu oruka kan nipa atunse, ki o si ṣe oju ti irin naa di silinda ti oruka naa.flanges pẹlu ọrun;
3.Ni kikun ilaluja weld yoo wa ni gba fun awọn apọju weld ti awọn iwọn;
4.Iwọn apọju ti oruka yoo gba itọju ooru lẹhin-weld ati ṣe 100% X-ray tabi wiwa abawọn ultrasonic, ati wiwa abawọn X-ray yoo pade awọn ibeere kilasi II ti JB4730 ati wiwa abawọn ultrasonic yoo pade kilasi I. ibeere ti JB4730.


Akoko ifiweranṣẹ: Oṣu kọkanla-16-2020

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