Tuubooyinka Birta ee kala duwan ee loogu talagalay Isticmaalka Warshadaha
| Heerka Caadiga ah | heerka birta | Halabuurka kiimikada | Sifooyinka jilicsanaanta | Tijaabada Saamaynta Charpy iyo Tijaabada Jeexitaanka Miisaanka Dhicista | ||||||||||||||
| C | Si | Mn | P | S | V | Nb | Ti | CEV4)(%) | Xoogga wax soo saarka Rt0.5 Mpa | Xoogga Laabista Rm Mpa | Rt0.5/ Rm | (L0=5.65 √ S0) Dheelitirka A% | ||||||
| ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | ugu badan | Kale | ugu badan | daq | ugu badan | daq | ugu badan | ugu badan | daq | |||
| L245MB | 0.22 | 0.45 | 1.2 | 0.025 | 0.15 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 245 | 450 | 415 | 760 | 0.93 | 22 | Tijaabada saameynta Charpy: Tamarta nuugista saameynta ee jirka tuubooyinka iyo tolmada alxanka waa in la tijaabiyaa sida loogu baahan yahay heerka asalka ah. Wixii faahfaahin ah, fiiri heerka asalka ah. Tijaabada jeexitaanka miisaanka hoos u dhaca: Aagga xiirashada ikhtiyaariga ah | |
| GB/T9711-2011(PSL2) | L290MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.4 | 290 | 495 | 415 | 21 | |||
| L320MB | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | 1) | 0.41 | 320 | 500 | 430 | 21 | ||||
| L360MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.015 | 1) | 0.41 | 360 | 530 | 460 | 20 | |||||||
| L390MB | 0.22 | 0.45 | 1.4 | 0.025 | 0.15 | 1) | 0.41 | 390 | 545 | 490 | 20 | |||||||
| L415MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.42 | 415 | 565 | 520 | 18 | |||||||
| L450MB | 0.12 | 0.45 | 1.6 | 0.025 | 0.015 | 1)2)3 | 0.43 | 450 | 600 | 535 | 18 | |||||||
| L485MB | 0.12 | 0.45 | 1.7 | 0.025 | 0.015 | 1)2)3 | 0.43 | 485 | 635 | 570 | 18 | |||||||
| L555MB | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | 1)2)3 | Gorgortanka | 555 | 705 | 625 | 825 | 0.95 | 18 | |||||
| Fiiro gaar ah: | ||||||||||||||||||
| 1) 0.015 ≤ Altot | ||||||||||||||||||
| 2)V+Nb+Ti ≤ 0.015% | ||||||||||||||||||
| 3) Dhammaan darajooyinka birta, Mo waxay noqon kartaa ≤ 0.35%, iyadoo qandaraas la galayo. | ||||||||||||||||||
| Mn Cr+Mo+V Cu+Ni 4) CEV=C+6+5+5 | ||||||||||||||||||
Hordhac Badeecada
Soo bandhigidda tuubooyinka birta ah ee kala duwan ee loogu talagalay isticmaalka warshadaha, oo loogu talagalay inay daboolaan baahiyaha adag ee warshado kala duwan. Badeecadahayaga waxaa lagu soo saaraa warshaddayada casriga ah ee ku taal Cangzhou, Gobolka Hebei, oo ah hormuudka warshadaha birta tan iyo 1993. Iyada oo leh dhul dhan 350,000 mitir oo laba jibbaaran iyo wadarta hantida RMB 680 milyan, waxaan ku faanaynaa inaan haysanno 680 shaqaale oo xirfad leh oo u heellan inay buuxiyaan heerarka tayada ugu sarreeya.
Habkayaga wax soo saarka ee gaarka ah wuxuu ka soocayaa tuubooyinka birta ah tartanka. Iyada oo loo farsameeyay xoog iyo cimri dherer, tuubooyinkan waxay awoodaan inay u adkaystaan cadaadis sare oo gudaha iyo dibadda ah, taasoo ka dhigaysa kuwo ku habboon codsiyo kala duwan. Hadday tahay inaad ka shaqeyso dhismaha, saliidda iyo gaaska, ama goob kasta oo warshadeed, tuubooyinkayagu waxay u dhisan yihiin inay ku shaqeeyaan xaaladaha ugu adag.
Mid ka mid ah sifooyinka ugu muhiimsan ee barnaamijkeena kala duwantuubo bir ahwaa iska caabintooda aadka u wanaagsan ee daxalka iyo isbeddelka. Tayadani ma aha oo kaliya inay dheereyso cimriga tuubooyinka, laakiin sidoo kale waxay yareysaa kharashyada dayactirka, iyadoo bixineysa xal lagu kalsoonaan karo baahiyahaaga warshadaha. Iyada oo aan ka go'annahay hal-abuurka iyo tayada, waxaad ku kalsoonaan kartaa in alaabtayadu ay bixin doonaan waxqabad iyo isku halleyn heer sare ah.
Faa'iidada Alaabta
1. Mid ka mid ah faa'iidooyinka ugu muhiimsan ee tuubooyinka birta ah waa awooddooda ay u adkeysan karaan cadaadiska sare ee gudaha iyo dibadda. Tani waxay ka dhigaysaa kuwo ku habboon warshadaha sida saliidda iyo gaaska, dhismaha iyo wax soo saarka.
2. Tuubooyinkan waxaa loogu talagalay inay iska caabiyaan daxalka iyo isbeddelka, taasoo hubinaysa cimri dheer oo adeeg ah iyo kharash yar oo dayactir ah.
3. Kala duwanaanshahooda ayaa u oggolaanaya in loo isticmaalo adeegyo kala duwan, laga bilaabo gudbinta dareerayaasha ilaa taageerada qaab-dhismeedka.
Yaraanta Badeecada
1. Tuubo bir ahwaxay ka culusaan kartaa beddelka sida balaastikada ama walxaha isku dhafan, kuwaas oo abuuri kara caqabado inta lagu jiro rakibidda iyo rarista.
2. In kasta oo ay u adkeysanayaan daxalka, haddana si buuxda ugama difaacaan daxalka, gaar ahaan deegaannada adag. Dayactir joogto ah iyo dahaadh ilaalin ah ayaa laga yaabaa inay lagama maarmaan noqoto si loo kordhiyo cimrigooda adeegga.
Su'aalaha Badiya La Weydiiyo
S1: Maxaa gaar u ah tuubooyinkan birta ah?
Habka gaarka ah ee wax soo saarka ee loo isticmaalo soo saarista tuubooyinka birta ah ayaa si weyn u kordhiya xooggooda iyo cimrigooda. Si ka duwan tuubooyinka caadiga ah, tuubooyinkan waxaa loo sameeyay inay u adkaystaan cadaadis gudaha iyo dibadda ah oo sarreeya, taasoo ka dhigaysa kuwo ku habboon jawi warshadeed oo adag. Dhismaheeda adag wuxuu hubiyaa cimri dheer wuxuuna yareeyaa baahida loo qabo in si joogto ah loo beddelo.
S2: Tuubooyinkan ma u adkaysta daxalka?
Hubaal! Mid ka mid ah sifooyinka ugu muhiimsan ee tuubooyinka birta ah waa iska caabbinta daxalka iyo isbeddelka. Hantidani waa mid muhiim u ah codsiyada warshadaha sida saliidda iyo gaaska, dhismaha iyo farsamaynta kiimikada, kuwaas oo inta badan la kulma xaalado adag. Iska caabbinta daxalka waxay hubisaa in tuubooyinku ay ilaaliyaan daacadnimadooda muddada dheer, iyagoo bixinaya xal lagu kalsoonaan karo oo loogu talagalay mashaariic kala duwan.
S3: Xaggee lagu sameeyaa tuubooyinkan?
Saldhigga wax soo saarka tuubooyinka birta ah wuxuu ku yaal Magaalada Cangzhou, Gobolka Hebei, iyadoo leh warshad casri ah oo daboolaysa dhul dhan 350,000 mitir oo laba jibbaaran. Shirkadda waxaa la aasaasay 1993 waxayna si xawli ah u kortay iyadoo leh hanti dhan 680 milyan oo yuan iyo 680 shaqaale. Khibraddeenna hodanka ah iyo maalgashiga farsamo ayaa noo suurta gelinaya inaan soo saarno tuubooyin tayo sare leh oo daboolaya baahiyaha kala duwan ee macaamiisheenna.







