Tuubooyinka Birta ah ee Alxanka ee Wareega ah
Shirkadda Cangzhou Spiral Steel Pipe Group Co., Ltd.,tuubooyinka tolmada muquuninta ahwaa badeecooyin tayo sare leh oo buuxiya heerarka ugu sarreeya warshadaha. Tuubooyinkayagu waxaa loogu talagalay codsiyo kala duwan waxaana loo yaqaanaa cimri dhererkooda, xooggooda iyo iska caabbinta daxalka.
Kaarboonku waa curiyaha ugu aasaasiga ah ee birta waana saldhigga lagu kala saaro birta iyo birta. Tuubooyinkayaga tolmada wareegsan waxaa laga sameeyay bir kaarboon oo tayo sare leh taasoo hubinaysa xoog iyo cimri dherer ugu badan. Iyada oo ay ka kooban yihiin kaarboon aad u sarreeya, tuubooyinkayagu waxay ku habboon yihiin codsiyo warshadeed oo kala duwan.
Hantida Farsamada
| heerka birta | xoogga wax-soo-saarka ugu yar | Xoogga jiidista | Kordhinta ugu yar | Tamarta ugu yar ee saamaynta leh | ||||
| Dhumucda la cayimay | Dhumucda la cayimay | Dhumucda la cayimay | 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 | - | - | |||||
Marka laga soo tago kaarboonka, tuubooyinka tolmada wareega ah waxay ka kooban yihiin walxo kale oo muhiim ah sida nikkel iyo chromium. Nikkel waa bir ferromagnetic ah oo ku darsata xoogga guud iyo dhalaalka tuubada. Intaa waxaa dheer, waxay iska caabisaa miridhku waxayna hubisaa cimri dheer oo adeeg ah tuubooyinkayaga. Chromium, dhanka kale, waa walax muhiim ah oo ku jirta birta aan miridhku lahayn waxayna leedahay iska caabin aad u fiican oo daxalka ah. Ku darista chromium ee tuubooyinka tolmada wareega ah waxay sii kordhinaysaa cimrigooda iyo isku hallayntooda.
Mid ka mid ah faa'iidooyinka ugu muhiimsan ee tuubooyinka tolmada wareega ah waa naqshadooda aan kala go 'lahayn, taas oo lagu gaaro tiknoolajiyadda alxanka ee horumarsan. Tiknoolajiyada alxanka ee SAWH (Submerged Arc Spiral Welding) ee casriga ah waxay hubisaa isku xirnaan xooggan oo waara oo u dhaxaysa taarikada birta tuubada. Tiknoolajiyaddan alxanka ma aha oo kaliya inay kor u qaaddo sifooyinka farsamada ee tuubada, laakiin sidoo kale waxay hubisaa dusha gudaha oo siman, taas oo ku habboon socodka waxtarka leh ee dareerayaasha ama gaasaska kala duwan.
Tuubooyinkayaga tolmada wareegsan ayaa si weyn loogu isticmaalaa warshado badan, oo ay ku jiraan saliidda iyo gaaska, gaadiidka biyaha, dhismaha iyo horumarinta kaabayaasha dhaqaalaha. Waxaa lagu hirgelin karaa mashaariicda badda iyo kuwa badda iyo nidaamyada dhuumaha ujeeddooyin kala duwan. Iyada oo leh iska caabin aad u fiican oo daxalka ah iyo xooggeeda sare ee jiidista, tuubooyinkayagu waa doorashada koowaad ee alxanka tuubooyinka ee deegaannada adag.
Halabuurka Kiimikada
| heerka birta | Nooca oksaydhaynta a | % cuf ahaan, 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 deoksaydhka waxaa loo qoondeeyay sidan soo socota: FF: Birta si buuxda loo dilay oo ka kooban curiyayaasha isku xidha nitrogen xaddi ku filan inay xidhaan nitrogen-ka la heli karo (tusaale ahaan ugu yaraan 0,020% wadarta Al ama 0,015% Al milmi kara). b. Qiimaha ugu badan ee naytarojiinku ma khuseeyo haddii halabuurka kiimikada uu muujiyo wadarta guud ee Al ee 0,020% oo leh saamiga Al/N ugu yaraan 2:1, ama haddii ay jiraan walxo kale oo ku filan oo N-ku-xidhan. Walxaha N-ku-xidhan waa in lagu diiwaan geliyaa Dukumentiga Kormeerka. | ||||||||
Shirkadda Cangzhou Spiral Steel Pipe Group Co., Ltd., waxaan mudnaanta siinnaa tayada iyo qanacsanaanta macaamiisha. Kooxdayada xirfadlayaasha ah ee heeganka ah waxay hubinayaan in tuubo kasta oo tolmo ah oo wareegsan ay marto habab adag oo lagu xakameynayo tayada si ay u buuxiso heerarka caalamiga ah. Intaa waxaa dheer, waxaan bixinnaa noocyo kala duwan oo ikhtiyaarro dahaadh ah oo loogu talagalay tuubooyinka, oo ay ku jiraan epoxy, polyethylene iyo hoobiye sibidh ah, si loo sii xoojiyo iska caabbinta daxalka tuubada loona kordhiyo cimrigeeda adeegga.
Marka la soo koobo
Shirkadda Cangzhou Spiral Steel Pipe Group Co., Ltd. waxay ku faantaa inay bixiso tuubooyin tolmo ah oo tayo sare leh oo loogu talagalay codsiyo kala duwan. Waxaan diiradda saarnaa soo saarista saxda ah, tignoolajiyada alxanka ee horumarsan iyo agab tayo leh si aan macaamiisha u siino xalal lagu kalsoonaan karo oo hufan oo loogu talagalay baahiyahooda tuubooyinka. Nagu kalsoonow inaan buuxinno dhammaan shuruudahaaga oo aan si toos ah ula kulanno isku halaynta iyo adkeysiga tuubooyinka tolmada ee wareegsan.







