I-Overvier ye-ASTM A106/ASME SA106 Pipe
I-ASTM A106/ASME SA106 yinkcazo eqhelekileyo yombhobho wentsimbi yekhabhoni engenamthungo esetyenziselwa iinkonzo zobushushu obuphezulu. Iquka amanqanaba amathathu u-A, u-B no-C, kwaye amanqanaba okusetyenziswa rhoqo yi-A106 iBakala B. Isetyenziswa kumashishini ahlukeneyo kungekuphela nje kwiinkqubo zemibhobho efana neoyile negesi, amanzi, ukuhanjiswa kwe-slurry yeminerali, kodwa nakwibhoyila, ulwakhiwo, kunye neenjongo zesakhiwo.
Ukwakheka kweekhemikhali kwi-%
● Ikhabhoni (C) Ubuninzi Kwibanga A 0.25, Kwibanga B 0.30, Kwibanga C 0.35
● IManganese (Mn): 0.27-0.93, 0.29-1.06
● I-Sulfur (S) Ubuninzi: ≤ 0.035
● I-Phosphorus (P): ≤ 0.035
● I-Silicon (Si) Min : ≥0.10
● I-Chrome (Cr): ≤ 0.40
● Ubhedu (Cu): ≤ 0.40
● I-Molybdenum (Mo): ≤ 0.15
● I-Nickel (Ni): ≤ 0.40
● I-Vanadium (V): ≤ 0.08
Nceda qaphela:
Kwixabiso ngalinye lokunciphisa i-0.01% ye-carbon element ephezulu, kufuneka kuvunyelwe ukunyuka kwe-0.06% ye-manganese ngaphezu kwexabiso elichaziweyo, kwaye ukuya kuthi ga kwi-1.35%.
Izinto ezidityanisiweyo zeCr, Cu, Mo, Ni, V aziyi kudlula i-1%.
Amandla okuThamba kunye nokuKhula kwe-ASTM A106 Grade B
Ifomula yobude:
Kwi-2 in. [50mm], kufuneka ibalwe ngolu hlobo: e = 625 000 A^0.2 / U^0.9
KwiYunithi ze-intshi-pound, e = 1940 A^0.2 / U^0.9
Iinkcazo ze-e, A, kunye ne-U, nceda ufumane apha. (I-Equation iyafana ne-ASTM A53, ipayipi ye-API 5L.)
Amandla okuThamba, i-min, i-psi [MPa] Ibanga A 48,000 [330], Ibanga B 60,000 [415], Ibanga C 70,000 [485]
Amandla okuvelisa ubuncinci kwi-psi [MPa] Ibanga A 30,000 [205], B 35,000 [240], C 40,000 [275]
Ukwandiswa kwee-inthi ezi-2 (50mm), ubuncinane ipesenti %
Kuzo zonke iisayizi ezincinci ezivavanyiweyo kwicandelo elipheleleyo, uvavanyo olusisiseko olusezantsi lokwandiswa kohambo olunqamlezileyo: Ibanga A: I-Longitudinal 35, i-Transverse 25; B: 30, 16.5; C: 30, 16.5;
Ukuba kusetyenziswa isampulu yovavanyo olujikelezayo oluyi-intshi ezi-2 ubude, amaxabiso angentla ngala: Ibanga A 28, 20; B 22, 12; C 20, 12.
Ishedyuli yoBukhulu bePipe ye-ASTM A106 Grade B
Lo mgangatho ugubungela ubungakanani bepayipi kwi-NPS (National Standard Straight) ukusuka kwi-1/8 intshi ukuya kwi-48 intshi (10.3mm DN6 – 1219mm DN1200), okwangoku uhambelana nobukhulu bodonga obuqhelekileyo be-ASME B 36.10M. Kwezinye iisayizi ze-ASME B 36.10M nazo zivumelekile ukusebenzisa le nkcazo isemgangathweni.
Iimpahla ezingekasilwa
Izinto ezisetyenziselwa imigangatho ye-ASTM A106 ziya kusebenza kwiindlela zokugoba, zokuflanga, okanye iinkqubo ezifanayo zokwakha. Kwimeko apho izinto zentsimbi ziza kudityaniswa, inkqubo yokuwelda kufuneka ifaneleke kolu hlobo lwe-ASTM A106, kwaye ifaneleke kwindawo yokusebenza enobushushu obuphezulu.
Apho kufuneka umbhobho wentsimbi we-ASTM A106 ongaphezulu okanye ongaphezulu, umgangatho unengcaciso ekhethiweyo yeemfuno ezongezelelweyo, kwimibhobho esebenzisa lo mgangatho. Ngaphezu koko, ezi nkcukacha ezongezelelweyo zicele uvavanyo olongezelelweyo, ukuba iodolo iza kufakwa nini.
Imigangatho ekhankanyiweyo yokwenza imibhobho ye-ASTM A106
Imigangatho ye-ASTM: Iireferensi
a. I-ASTM A530/ A530M Le yinkcazo eqhelekileyo yeemfuno eziqhelekileyo zemibhobho yekhabhoni, kunye ne-alloy.
b. E213 Umgangatho wovavanyo lwe-Ultrasonic Examination
c. E309 Umgangatho wovavanyo lovavanyo lwangoku lwe-Eddy
d. E381 Umgangatho wesicwangciso sovavanyo lweMacroetch, kwiimveliso zentsimbi iibha zentsimbi, iibhilethi zentsimbi, iintyatyambo, kunye neentsimbi zokubumba.
e. E570 Umgangatho wesicwangciso sovavanyo lovavanyo lokuvuza kwe-flux yombhobho wentsimbi ye-ferromagnetic kunye neemveliso zepayipi.
f. Imigangatho ye-ASME enxulumeneyo:
g. ASME B 36.10M Iinkcazo eziqhelekileyo zobukhulu obuqhelekileyo zombhobho wentsimbi odibeneyo nongenamthungo.
h. Umgangatho woMkhosi oNxulumeneyo:
i. I-MIL-STD-129 Umgangatho wophawu lokuthunyelwa nokugcinwa.
j. I-MIL-STD-163 Umgangatho wokugcina nokuthumela iimveliso zokubumba ngentsimbi.
k. Umgangatho karhulumente ohambelanayo:
l. I-Fed. Std. No. 123 Umgangatho wee-arhente zikawonke-wonke zokumakisha nokuthumela.
m. Fed. Std. No. 183 Inkcazo esemgangathweni yokumakishwa kwesazisi okuqhubekayo kwiimveliso zentsimbi
n. Umgangatho womphezulu:
o. SSPC-SP 6 Inkcazelo esemgangathweni yomphezulu.
Uluhlu Lweempahla Zethu Ezithengiswayo
Iipayipi zentsimbi yekhabhoni ezingenamthungo ze-ASTM A106 zeBanga A, zeBanga B, zeBanga C ezibonelelwe nge-Octals njengemiqathango engezantsi:
● Umgangatho: ASTM A106, Nace, Inkonzo yeSour.
● Udidi: A, B, C
● Uluhlu lwe-OD diameter yangaphandle: I-NPS 1/8 intshi ukuya kwi-NPS 20 intshi, 10.13mm ukuya kwi-1219mm
● Uluhlu lobukhulu bodonga olune-WT: SCH 10, SCH 20, SCH STD, SCH 40, SCH 80, ukuya kwi-SCH160, SCHXX; 1.24mm ukuya kuthi ga kwi-intshi e-1, 25.4mm
● Uluhlu lobude: 20ft ukuya kwi-40ft, 5.8m ukuya kwi-13m, ubude obungacwangciswanga obunye obuyi-16 ukuya kwi-22ft, 4.8 ukuya kwi-6.7m, ubude obuphindwe kabini obungacwangciswanga obuyi-35ft ukuya kwi-10.7m.
● Ukuphela komngcelele: Isiphelo esingenanto, esibhityileyo, esinomgca
● Ukwaleka: Ipeyinti emnyama, ivarnished, i-epoxy coating, i-polyethylene coating, i-FBE kunye ne-3PE, i-CRA Clad kunye ne-Lined.
Umzobo weenkcukacha
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