Hollow-Qaybta Dhismaha ee loogu talagalay Khadadka Gaaska Dabayl ee Dhulka Dhulka
Arc concial-ka wareegatuubbosWaxaa si weyn loogu isticmaalaa dhismaha khadadka gaaska ee dhulka hoostiisa sababtuna tahay howlahooda wax soo saarka ee gaarka loo leeyahay. Tuubbooyinka waxaa la sameeyay iyagoo sameysmaya xirmooyin bir ah oo kulul oo loo duubay qaab wareega ah ka dibna ay ka dhigto iyaga oo adeegsanaya hanaanka alxanka ee Arc. Tani waxay soo saartaa tuubooyinka ARC-ka-kor-ku-meel-gaarka ah ee ARC ee leh dhumuc weyn oo iskuxiran iyo sax ahaanta cabirkooda wanaagsan, taasoo ka dhigeysa inay ku habboon yihiin gaadiidka gaaska dabiiciga ah.
Jadwalka 2 Hannaanka jirka iyo kiimikada ee tuubooyinka birta (GB / T3091-2008, GB / T9711-2011 iyo API-da APIS 5L) | ||||||||||||||
Caadi ah | Fasalka birta | Kuwa kiimikada (%) | Hantida Tsile | Therpy (v notch) tijaabada saameynta saameynta | ||||||||||
c | Mn | p | s | Si | Kale | Xoog soo saar (MPA) | Xoog TSenlisle (MPA) | (L0 = 5.65 √ S-10) Ming fiditaan (%) | ||||||
dixiri | dixiri | dixiri | dixiri | dixiri | min | dixiri | min | dixiri | D ≤ 168.33mm | D> 168.3mm | ||||
GB / T3091 -2008 | Q215a | ≤ 0.15 | 0.25 <1.20 | 0.045 | 0.050 | 0.35 | Ku darista nb \ v \ ti iyadoo la raacayo GB / T1591-94 | 215 |
| 335 |
| 15 | > 31 |
|
Q215b | ≤ 0.15 | 0.25-0.55 | 0.045 | 0.045 | 0.035 | 215 | 335 | 15 | > 31 | |||||
Q235A | ≤ 0.22 | 0.30 <0.65 | 0.045 | 0.050 | 0.035 | 235 | 375 | 15 | > 26 | |||||
Q235b | ≤ 0.20 | 0.30 ≤ 1.80 | 0.045 | 0.045 | 0.035 | 235 | 375 | 15 | > 26 | |||||
Q295A | 0.16 | 0.80-1.50 | 0.045 | 0.045 | 0.55 | 295 | 390 | 13 | > 23 | |||||
Q295b | 0.16 | 0.80-1.50 | 0.045 | 0.040 | 0.55 | 295 | 390 | 13 | > 23 | |||||
Q345A | 0.20 | 1.00-1.60 | 0.045 | 0.045 | 0.55 | 345 | 510 | 13 | > 21 | |||||
Q345b | 0.20 | 1.00-1.60 | 0.045 | 0.040 | 0.55 | 345 | 510 | 13 | > 21 | |||||
GB / T9711-2011 (PSL1) | L175 | 0.21 | 0.60 | 0.030 | 0.030 |
| Ikhtiyaar ah oo ku daraya mid ka mid ah walxaha nb \ v \ timit ama wax kasta oo ka mid ah | 175 |
| 310 |
| 27 | Hal ama laba ka mid ah tusmada adag ee saameynta saameynta tamarta iyo aagga ijaarka ayaa la dooran karaa. L555, arag heerka caadiga ah. | |
L210 | 0.22 | 0.90 | 0.030 | 0.030 | 210 | 335 | 25 | |||||||
L245 | 0.26 | 1.20 | 0.030 | 0.030 | 245 | 415 | 21 | |||||||
L290 | 0.26 | 1.30 | 0.030 | 0.030 | 290 | 415 | 21 | |||||||
L320 | 0.26 | 1.40 | 0.030 | 0.030 | 320 | 435 | 20 | |||||||
L360 | 0.26 | 1.40 | 0.030 | 0.030 | 360 | 460 | 19 | |||||||
L390 | 0.26 | 1.40 | 0.030 | 0.030 | 390 | 390 | 18 | |||||||
L415 | 0.26 | 1.40 | 0.030 | 0.030 | 415 | 520 | 17 | |||||||
L450 | 0.26 | 1.45 | 0.030 | 0.030 | 450 | 535 | 17 | |||||||
L485 | 0.26 | 1.65 | 0.030 | 0.030 | 485 | 570 | 16 | |||||||
Api 5l (psl 1) | A25 | 0.21 | 0.60 | 0.030 | 0.030 |
| For grade B steel,Nb+V ≤ 0.03%;for steel ≥ grade B,optional adding Nb or V or their combination, and Nb+V+Ti ≤ 0.15% | 172 |
| 310 |
| (L0 = 50.8mm) in loo xisaabiyo qaaciddada soo socota: e = 1944 · A.2 / U0 | Midkoodna ama labada ama labadaba ee saameynta saameynta iyo aagga xiirashada ayaa loo baahan yahay side adag. | |
A | 0.22 | 0.90 | 0.030 | 0.030 |
| 207 | 331 | |||||||
B | 0.26 | 1.20 | 0.030 | 0.030 |
| 241 | 414 | |||||||
X42 | 0.26 | 1.30 | 0.030 | 0.030 |
| 290 | 414 | |||||||
X46 | 0.26 | 1.40 | 0.030 | 0.030 |
| 317 | 434 | |||||||
X52 | 0.26 | 1.40 | 0.030 | 0.030 |
| 359 | 455 | |||||||
X56 | 0.26 | 1.40 | 0.030 | 0.030 |
| 386 | 490 | |||||||
X60 | 0.26 | 1.40 | 0.030 | 0.030 |
| 414 | 517 | |||||||
X65 | 0.26 | 1.45 | 0.030 | 0.030 |
| 448 | 531 | |||||||
X70 | 0.26 | 1.65 | 0.030 | 0.030 |
| 483 | 565 |
Mid ka mid ah faa'iidooyinka ugu weyn ee qeybaha qaab-dhismeedka-dhismeedka waa iska caabbinta ugu fiican ee isku-darka. Markii lagu aasjeexo dhulka hoostiisa, dhuumaha gaaska dabiiciga ah waxaa la soo gaadhsiiyaa qoyaan, kiimikooyin carrab ciid ah iyo waxyaabo kale oo wasakhaysan. Tuubbooyinka qaanso-damiska ee arc-ka ee wareegaya
Ka sokow iska caabbinta jiifka,Hollow-Qaybta DhismooyinkaSii xoog sare iyo xasillooni sare, iyaga oo ka dhigaya ku habboon rakibaadda dhulka hoostiisa. Naqshadaynta fidsan ee tuubooyinkan waxay bixiyaan awood udgoon aad u wanaagsan, taasoo u oggolaanaysa inay u adkeystaan culeyska carrada iyo xoogagga kale ee dibedda ah iyada oo aan la xakamayn sharaftooda qaabdhismeedka. Tani waxay si gaar ah muhiim ugu tahay meelaha ay ka jiraan juqraafi oo adag, halkaas oo dhuumaha ay awood u leeyihiin inay ka hortagaan dhaqdhaqaaqa dhulka iyo dejinta.


Intaa waxaa sii dheer, qeybaha qaab dhismeedka ah waxaa lagu yaqaanaa awoodahooda iyo waxtarka. Waxay ku yimaadaan cabirro badan oo kala duwan iyo dhumucyo waxaana loo habeyn karaa inay buuxiyaan shuruudaha gaarka ah ee mashaariicda gaaska dabiiciga ah ee gaaska dhulka hoostiisa. Tani waxay sidoo kale yareynaysaa baahida loo qabo rakibaadda dheeriga ah iyo alxamida, taasoo dhalisay rakibaadda dhaqso iyo kharashyada guud ee hoose. Dabeecadda khafiifka ah ee tuubooyinkan ayaa sidoo kale ka dhigta gaadiid iyo wax ka qabashada si hufan, oo sii kordhineysa keydinta qiimaha.
Markay tahay nabadgelyada iyo hufnaantaKhadadka gaaska dabiiciga ah, xulashada shey waa muhiim. Tuubbada qaybta-dhismeedka, gaar ahaan dhuumaha qaanso-qaba ee arc, isku darka xoogga, isku-darka xoog, musiibo, iska caabbinta qarashka iyo waxtarka, taasoo ka dhigaya ku habboon gudbinta gaaska dabiiciga ah. Adigoo maalgashi ku sameynaya dhuumaha tayada sare leh ee loogu talagalay tas-hiilaadka dhulka hoostiisa ah, shirkadaha gaaska ayaa xaqiijin kara isku halaynta iyo cimri dheeraada kaabayaashahooda inta ay yareynayaan kharashaadka dayactirka iyo dayactirka muddada dheer.
Marka la soo koobo, qodobbada qayb-ka-qaabayaasha qaab dhismeedka ah waxay door muhiim ah ka ciyaaraan dhismaha khadadka gaaska dabiiciga ah. Iska caabbinta sariirta sare, xoogga sare iyo waxtarka qiimaha iyo waxtarka ugu sareeya ayaa ka dhigaya doorashada koowaad ee mashaariicda gaadiidka gaaska dabiiciga ah. Adoo dooranaya agabyada saxda ah ee xarumaha dhulka hoostiisa, shirkadaha gaaska dabiiciga ah waxay ilaalin karaan badbaadada iyo isku haleeyaha kaabayaasha dhaqaalaha, ugu dambeyntiina waxay gacan ka geysaneysaa in si hubays u gaarto macaamiisha.
