NGA WHAKAMAHI MO LSAW STEEL PIPE | |
1.Rahi | 1)OD:355.6mm-1828.8mm |
2) Te Matotoru o te taiepa: 8mm-60mm | |
3)SCH20,SCH40,STD,XS,SCH80 | |
2. Paerewa: | ASTM A53, API 5L, EN10219, EN10210, ASTM A252, AS1163 etc |
3.Materi | ASTM A53 Gr.B,API 5L Gr.B,X42,X52,X60,X70,X80,S235JR,S355J0H, etc |
4.Whakamahinga: | 1) iti te pehanga wai, te wai, te hau, te hinu, te paipa raina |
2) hanga putorino, hanga puranga paipa | |
3) taiapa, paipa tatau | |
5. Whakakikorua | 1) Karekau 2) Pania Pango (pani pania) 3) He piauau 4) Whakahinuhia 5) PE, 3PE, FBE, whakakikorua whakakikoruatia, paninga anti corrosion |
6. Hangarau | paipa maitai paiherea roa |
7. Tirotiro: | Ma te Hyd raulic Testing, Eddy Current, RT, UT, he tirotiro ranei na te hunga tuatoru |
8. Tukunga | Ipu, Waka Nui. |
9.Mo To Tatou Kounga: | 1) Kaore he pakaru, kaore he piko 2) karekau he tara, he tapa koi, karekau he pakaru 3) Kore utu mo te hinu me te tohu 4) Ka taea te tirotiro i nga taonga katoa ma te tirotiro tuatoru i mua i te tuku |
Ko te paipa kua whakaritea i raro i tenei whakaritenga ka whakamahia mo te hanganga.
Ko te maitai kia kaua e neke ake i te 0.050 % phosphorous.
Nga Whakaritenga Tensile
Nga Whakaritenga Tensile | |||
Kōeke 1 | Kōeke 2 | Kōeke 3 | |
Te kaha matara, min, psi (MPa) | 50 000 (345) | 60 000 (415) | 66 000 (455) |
Ira tuku, kaha tuku ranei, min, psi(MPa) | 30 000 (205) | 35 000 (240) | 45 000 (310) |
Te whakaroa iti mo te matotoru pakitara whakaingoa %6 in. (7.9 mm) neke atu ranei:Te whakaroa i roto i te 8 in. (203.2 mm), min, % Elongation in 2 in. (50.8 mm), min, % | 18 30 | 14 25 | ... 20 |
Mo nga matotoru pakitara whakaingoa iti iho i te %6 in. (7.9 mm), ka heke te tangohanga mai i te whakaroatanga iti rawa i roto i te 2 in. (50.08 mm) mo ia Vzi - in. (0.8 mm) ka heke iho te matotoru pakitara whakaingoa i raro i te %6 in. (7.9 mm), i roto i te ōrau | 1.5A | 1.25A | 1.0A... |
Whakamatau Piko—he pai te roa o te putorino me tu tonu ka piko i te matao ki te 90° huri noa i te mandrel porotakaroa.
Whakamātautau whakarata-ahakoa kaore e hiahiatia he whakamatautau, ka taea e te paipa te whakatutuki i nga whakaritenga whakamatautau papatahi.
Te whakamatautau wai-pateko—engari ka whakaaetia, ka tukuna ia roa o te putorino ki te whakamatautau wai-pateko me te kore e pakaru i te pakitara paipa.
Te whakamatautau hiko kore-hei rereke ki te whakamatautau wai-pateko, ka whakamatauria te tinana katoa o ia paipa ki te whakamatautau hiko kore kino.ki te mahia he whakamatautau hiko kore kino, me tohu nga roa ki nga reta "NDE"
Ko te whakamatautau ultrasonic
Ko te whakamātautau eddy nāianei