Heerka birta ee Astm A139
Soo bandhigida S235 J0 tuubada birta wareega ah - xal isku dhafan oo loogu talagalay in lagu daboolo baahiyaha kala duwan ee warshadaha casriga ah. Waxaa lagu soo saaray warshad casri ah oo ku taal Cangzhou City, Gobolka Hebei, shirkadeena waxay hormuud u ahayd wax soo saarka birta tan iyo 1993. Shirkaddu waxay dabooshaa aag ah 350,000 mitir oo laba jibbaaran waxayna leedahay wadarta hantida RMB 680 milyan. Waxaan ku faraxsanahay in aan haysano shaqaale u go'ay oo ka kooban 680 xirfadlayaal u heellan bixinta alaab tayo sare leh.
Mid ka mid ah sifooyinka muuqda ee S235 J0 tuubada birta ah ee spiral waa dabacsanaan cajiib ah dhexroorka iyo qeexida dhumucda derbiga. La qabsigani wuxuu noo ogolaanayaa inaan buuxinno shuruudaha wax soo saarka ee kala duwan, gaar ahaan soo saarista tuubooyinka dhumuc weyn ee heerka sare ah. Haddii aad u baahan tahay tuubooyinka dhismaha, saliidda iyo gaasta, ama codsiyada kale ee warshadaha, tuubadayada S235 J0 waxaa loo habeeyay inay la kulanto adagASTM A139Heerarka tuubooyinka birta si loo hubiyo isku halaynta iyo waxqabadka xitaa meelaha ugu baahida badan.
Ballanqaadkayaga tayada iyo hal-abuurka macneheedu waa qayb kasta oo S235 J0 tuubooyin wareeg ah ayaa mara tijaabo adag iyo hababka xakamaynta tayada, hubinta in badeecada aad hesho aanay buuxin oo keliya balse ka sarraysa heerarka warshadaha. Waayo-aragnimadeena ballaaran iyo khibradeena, waxaa naga go'an inaan siino macaamiisheena xalalka ugu wanaagsan ee loogu talagalay in lagu daboolo baahiyahooda gaarka ah.
Tilmaamaha Alaabta
darajada birta | xoogga dhalidda ugu yar Mpa | Xoog xajin | Kordhinta ugu yar % | Tamarta saamaynta ugu yar J | ||||
dhumuc gaar ah mm | dhumuc gaar ah mm | dhumuc gaar ah mm | heerkulka tijaabada ee | |||||
16 | >16≤40 | 3 | ≥3≤40 | ≤40 | -20℃ | 0℃ | 20℃ | |
S235JRH | 235 | 225 | 360-510 | 360-510 | 24 | - | - | 27 |
S275J0H | 275 | 265 | 430-580 | 410-560 | 20 | - | 27 | - |
S275J2H | 27 | - | - | |||||
S355J0H | 365 | 345 | 510-680 | 470-630 | 20 | - | 27 | - |
S355J2H | 27 | - | - | |||||
S355K2H | 40 | - | - |
Halabuurka Kiimikada
Heerka birta | Nooca de-oxidation a | % cufka, ugu badnaan | ||||||
Magaca birta | Lambarka birta | C | C | Si | Mn | P | S | Nb |
S235JRH | 1.0039 | FF | 0,17 | - | 1,40 | 0,040 | 0,040 | 0.009 |
S275J0H | 1.0149 | FF | 0,20 | - | 1,50 | 0,035 | 0,035 | 0,009 |
S275J2H | 1.0138 | FF | 0,20 | - | 1,50 | 0,030 | 0,030 | - |
S355J0H | 1.0547 | FF | 0,22 | 0,55 | 1,60 | 0,035 | 0,035 | 0,009 |
S355J2H | 1.0576 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
S355K2H | 1.0512 | FF | 0,22 | 0,55 | 1,60 | 0,030 | 0,030 | - |
a. Habka deoxidation waxaa loo qoondeeyey sidan soo socota: FF: Bir si buuxda loo dilay oo ay ku jiraan canaasiirta isku xidha nitrogen ee xaddi ku filan in lagu xidho nitrogen la heli karo (tusaale. Qiimaha ugu sarreeya ee nitrogen ma khuseeyo haddii ka kooban yahay kiimikaad uu muujiyo wadarta guud ee Al content ee 0,020 % oo leh ugu yaraan saamiga Al/N ee 2:1, ama haddii ay jiraan walxo kale oo N-xidhi kara. Qodobbada N-ku-xidhan waa in lagu diiwaan geliyo Dukumentiga Kormeerka. |
Faa'iidada Alaabta
1. Mid ka mid ah faa'iidooyinka ugu muhiimsan ee ASTM A139 birta birta ah waa dabacsanaanteeda dhexroorka iyo qeexida dhumucda derbiga. La qabsiga Tani waxay u oggolaaneysaa soosaarayaasha inay soo saaraan tuubooyinka cabbirro kala duwan si ay u buuxiyaan shuruudaha mashruuca ee kala duwan.
2. Awoodaha wax-soo-saarka ee shirkad annaga oo kale ah, oo ku taal Cangzhou, Gobolka Hebei, waxay kor u qaadaysaa faa'iidooyinka ASTM A139.
3. Waxaa la aasaasay 1993, warshadeena waxay dabooshaa dhul dhan 350,000 mitir oo laba jibbaaran, waxay leedahay hanti dhan RMB 680 milyan, waxaana ka shaqeeya 680 shaqaale xirfad leh. Kaabayaashan ballaaran ayaa noo suurtageliya inaan buuxinno baahiyo kala duwan oo macaamiisha ah iyadoo la ilaalinayo heerarka sare ee wax soo saarka.
Nuqulka alaabta
1. Halbeegga ASTM A139 waxaa laga yaabaa in aanu daboolin dhammaan shuruudaha gaarka ah ee codsiyada qaarkood, taas oo keeneysa in ay suurtagal tahay waxqabad xaddidan oo hoos yimaada xaalado aad u daran.
2. Habka wax-soo-saarku wuxuu noqon karaa mid ka adag oo ka kharash badan heerarka kale, taas oo saameyn karta qiimaha iyo helitaanka.
Saamaynta
S235 J0 Spiral Steel Pipe waxay si gaar ah faa'iido u leedahay soosaarayaasha sababtoo ah la qabsigeeda. Awoodda lagu habeynayo dhexroorka iyo dhumucda derbiga waxay u oggolaaneysaa soo saarista qiimaha qaaliga ah, tuubo dhumuc weyn leh oo buuxisa shuruudaha mashruuca ee gaarka ah. Dabacsanaantu maaha oo kaliya inay kordhiso waxtarka wax soo saarka, laakiin sidoo kale waxay hubisaa in badeecada ugu dambeysa ay u adkeysan karto xaalado kala duwan oo deegaanka ah iyo cadaadiska, taasoo ka dhigaysa mid ku habboon codsiyo kala duwan.
Warshadayadu waxay ku taal Cangzhou, Gobolka Hebei, waxayna ahayd ciyaaryahan muhiim u ah warshadaha birta tan iyo markii la aasaasay 1993. Warshadeena waxay dabooshaa aag dhan 350,000 mitir oo laba jibbaaran, waxay leedahay hanti dhan RMB 680 milyan, waxaana ka shaqeeya 680 shaqaale xirfad leh. Kaabayaashan xooggani waxay noo suurtagelinayaan inaan soo saarno tuubooyinka birta oo tayo sare leh oo buuxiya heerarka ASTM A139, hubinta in alaabadayadu ay buuxiyaan shuruudaha adag ee macaamiisheena.
ASTM A139Dhuumaha birtaheerka ayaa saameyn weyn ku leh wax soo saarka ee S235 J0 tuubada spiral steel, hagaajinta la qabsiga wax soo saarka iyo tayada alaabta. Marka aan sii wadno ikhtiraacida iyo ballaarinta awoodeena, waxaa naga go'an in aan bixinno xalal bir ah oo heersare ah oo buuxinaya baahiyaha isbeddelka ee warshadaha.
FAQ
Q1: Waa maxay ASTM A139?
ASTM A139 waa qeexitaan heersare ah oo qeexaya shuruudaha birta alxanka leh ee koronto-iska-caabbinta. Tuubooyinkan waxaa sida caadiga ah loo isticmaalaa codsiyada cadaadiska hooseeya waxaana lagu yaqaanaa xooggooda iyo cimrigooda. Heerarka ayaa hubinaya in tuubooyinka ay la kulmaan sifooyin farsamo oo gaar ah iyo ka kooban kiimiko, taasoo ka dhigaysa inay ku habboon yihiin noocyada kala duwan ee isticmaalka warshadaha.
Q2: Waa maxay faa'iidooyinka S235 J0 tuubada spiral?
Mid ka mid ah faa'iidooyinka ugu muhiimsan ee S235 J0 tuubada birta ee spiral waa dabacsanaanteeda dhexroorka iyo qeexida dhumucda derbiga. Laqabsigani wuxuu u oggolaanayaa soosaarayaasha inay soo saaraan tuubo darbi ah oo heer sare ah oo u adkeysan karta cadaadisyo iyo cadaadisyo waaweyn. Awoodda lagu habeynayo tilmaamahan ayaa ka dhigaya S235 J0 tuubada doorasho aad u wanaagsan mashaariicda u baahan cabbir gaar ah iyo xoog.