Tam sim no peb muaj ib pab neeg txawj ntse thiab ua tau zoo los muab cov kev pabcuam zoo rau peb cov neeg siv khoom. Peb feem ntau ua raws li lub hauv paus ntsiab lus ntawm kev tsom mus rau cov neeg siv khoom, tsom mus rau cov ntsiab lus rau Tus nqi tshwj xeeb rau SSAW / Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gas thiab Oil Pipeline, Tsis tas li ntawd, peb yuav qhia cov neeg siv khoom kom zoo txog cov txheej txheem thov kom siv peb cov kev daws teeb meem thiab txoj hauv kev xaiv cov ntaub ntawv tsim nyog.
Tam sim no peb muaj ib pab neeg ua haujlwm txawj ntse thiab ua tau zoo los muab cov kev pabcuam zoo rau peb cov neeg siv khoom. Peb feem ntau ua raws li lub hauv paus ntsiab lus ntawm kev tsom mus rau cov neeg siv khoom, tsom mus rau cov ntsiab lus me me rauTuam Tshoj LSAW / SSAW Cov Yeeb Nkab Hlau thiab Cov Yeeb Nkab Welded, Peb lub hom phiaj yog xa cov txiaj ntsig zoo tshaj plaws rau peb cov neeg siv khoom thiab lawv cov neeg siv khoom. Qhov kev cog lus no nkag mus rau txhua yam peb ua, tsav peb kom txuas ntxiv tsim thiab txhim kho peb cov kev daws teeb meem thiab cov txheej txheem kom ua tiav koj cov kev xav tau.
Cov yeeb nkab uas tau xaj raws li qhov kev qhia tshwj xeeb no yog siv rau kev pabcuam siab ntawm qhov kub thiab txias. Feem ntau yog siv rau kev xa roj thiab roj av.
ASTM A671 LSAW (JCOE) Cov Yeeb Nkab Hlau Carbon yuav tsum yog ob chav-welded, tag nrho-nkag mus rau hauv welds ua raws li cov txheej txheem thiab los ntawm cov welders lossis cov neeg ua haujlwm vuam tsim nyog raws li ASME Boiler thiab pressure Vessel Code, Seem IX.
Txhua chav kawm uas tsis yog 10, 11, 12 thiab 13 yuav tsum tau kho cua sov hauv lub cub tawg uas tswj tau kom txog ±15 ℃ thiab nruab nrog lub ntsuas cua sov kom cov ntaub ntawv cua sov muaj.
Kev Tsim Khoom: LSAW (JCOE) Cov kav hlau
Loj: OD: 406~1500mm WT: 6~40mm
Qib: CB60, CB65, CC60, CC65, thiab lwm yam.
Ntev: 12M lossis teev ntev raws li xav tau.
Xaus: Plain End, Beveled End, Grooved;
| Cov Kev Cai Tshuajrau ASTM A672 B60/B70/C60/C65/C70LSAWCov Yeeb Nkab Hlau Carbon | |||||||||||||
| Yeeb Nkab | Qib | Cov khoom xyaw,% | |||||||||||
| C siab tshaj plaws | Mn | P siab tshaj plaws | S siab tshaj plaws | Si | Lwm tus | ||||||||
| <=1 nti (25 hli) | >1~2 nti (25 ~ 50 hli) | >2~4in(50-100mm) | >4~8 nti (100 ~ 200 hli) | >8 nti (200 hli) | <=1/2 nti (12.5 hli) | >1/2 nti (12.5 hli) | |||||||
| CB | 60 | 0.24 | 0.21 | 0.29 | 0.31 | 0.31 | 0.98 siab tshaj | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 65 | 0.28 | 0.31 | 0.33 | 0.33 | 0.33 | 0.98 siab tshaj | 0.035 | 0.035 | 0.13–0.45 | ... | |||
| 70 | 0.31 | 0.33 | 0.35 | 0.35 | 0.35 | 1.30 siab tshaj | 0.035 | 0.035 | 0.13–0.45 | ... | |||
| CC | 60 | 0.21 | 0.23 | 0.25 | 0.27 | 0.27 | 0.55–0.98 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | |
| 65 | 0.24 | 0.26 | 0.28 | 0.29 | 0.29 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| 70 | 0.27 | 0.28 | 0.30 | 0.31 | 0.31 | 0.79–1.30 | 0.79–1.30 | 0.035 | 0.035 | 0.13–0.45 | ... | ||
| Cov Khoom Siv Kho Tshuab | |||||
| Qib | |||||
|
| CB65 | CB70 | CC60 | CC65 | CC70 |
| Lub zog tensile, min: | |||||
| ksi | 65 | 70 | 60 | 65 | 70 |
| Mpa | 450 | 485 | 415 | 450 | 485 |
| Lub zog tawm los, min: | |||||
| ksi | 35 | 38 | 32 | 35 | 38 |
| MPa | 240 | 260 | 220 | 240 | 260 |
1. Txoj Kab Uas Siv Sab Nraud - Raws li kev ntsuas ncig ntawm ± 0.5% ntawm txoj kab uas siv sab nraud uas tau teev tseg.
2. Qhov Tsis Sib Npaug - Qhov sib txawv ntawm cov kab uas hla sab nraud loj thiab me.
3. Kev Sib Tho - Siv ib txoj kab ncaj 10 ft (3m) uas muab tso rau kom ob sab kawg sib chwv nrog lub yeeb nkab, 1/8 nti (3 hli).
4. Thickness-Qhov tsawg kawg nkaus phab ntsa tuab ntawm txhua qhov chaw hauv cov yeeb nkab yuav tsum tsis pub ntau tshaj 0.01 nti (0.3 hli) nyob rau hauv qhov teev tseg nominal thickness.
5. Qhov ntev uas tsis tau tshuab yuav tsum nyob hauv -0,+1/2 nti (-0,+13 hli) ntawm qhov tau teev tseg. Qhov ntev uas tau tshuab yuav tsum yog raws li tau pom zoo ntawm tus neeg tsim khoom thiab tus neeg yuav khoom.
Kev Ntsuas Kev Nruj - Cov khoom sib txuas ntawm cov vuam sib koom ua ke yuav tsum ua tau raws li qhov yuav tsum tau ua tsawg kawg nkaus rau lub zog tensile kawg ntawm cov khoom siv phaj teev tseg.
Kev ntsuam xyuas qhov khoov uas siv txoj hlua khi hla — Kev ntsuam xyuas qhov khoov yuav tsum tau txais yog tias tsis muaj qhov tawg lossis lwm yam tsis zoo uas tshaj 1/8 nti (3 hli) hauv txhua qhov kev taw qhia nyob rau hauv cov hlau txuas lossis ntawm qhov txuas thiab cov hlau hauv paus tom qab khoov.
Kev Tshuaj Xyuas Duab Xoo Hluav Taws Xob - Tag nrho qhov ntev ntawm txhua qhov vuam ntawm chav kawm X1 thiab X2 yuav tsum tau tshuaj xyuas duab xoo hluav taws xob raws li thiab ua tau raws li qhov yuav tsum tau ua ntawm ASME Boiler thiab Pressure Vessel Code, Ntu xya, nqe UW-51.
Lub npe lossis lub cim ntawm tus neeg tsim khoom
Tus lej qhia txog tus kheej (hnub tim xyoo lossis xav tau)
Loj (OD, WT, ntev)
Qib (A lossis B)
Hom yeeb nkab (F, E, lossis S)
Kev ntsuas siab (cov yeeb nkab hlau tsis muaj seamless xwb)
Tus lej cua sov
Cov ntaub ntawv ntxiv uas tau teev tseg rau hauv daim ntawv xaj yuav khoom.
Qhov ntau (feet, meters, lossis tus naj npawb ntawm qhov ntev)
Lub npe ntawm cov khoom siv (cov yeeb nkab hlau, hluav taws xob fusion welded)
Tus lej qhia tshwj xeeb
Cov npe ntawm cov chav kawm thiab qib kawm
Loj (sab nraud lossis sab hauv txoj kab uas hla, qhov tuab ntawm phab ntsa ib txwm lossis tsawg kawg nkaus)
Ntev (tshwj xeeb lossis random)
Xaus tiav
Cov kev xaiv yuav khoom
Cov kev cai ntxiv, yog tias muaj.
Cov yeeb nkab liab qab lossis Dub / Varnish txheej / Epoxy txheej / 3PE txheej (raws li cov neeg siv khoom xav tau);
Hauv xoob;
Ob qho kawg nrog cov tiv thaiv kawg;
Qhov kawg tiaj tus, qhov kawg bevel (2″ thiab siab dua nrog qhov kawg bevel, degree: 30 ~ 35 °), kho kom haum;
Kev cim.
Tam sim no peb muaj ib pab neeg txawj ntse thiab ua tau zoo los muab cov kev pabcuam zoo rau peb cov neeg siv khoom. Peb feem ntau ua raws li lub hauv paus ntsiab lus ntawm kev tsom mus rau cov neeg siv khoom, tsom mus rau cov ntsiab lus rau Tus nqi tshwj xeeb rau SSAW / Sawl API 5L Spiral Welded Carbon Steel Pipe Natural Gas thiab Oil Pipeline, Tsis tas li ntawd, peb yuav qhia cov neeg siv khoom kom zoo txog cov txheej txheem thov kom siv peb cov kev daws teeb meem thiab txoj hauv kev xaiv cov ntaub ntawv tsim nyog.
Tus nqi tshwj xeeb rauTuam Tshoj LSAW / SSAW Cov Yeeb Nkab Hlau thiab Cov Yeeb Nkab Welded, Peb lub hom phiaj yog xa cov txiaj ntsig zoo tshaj plaws rau peb cov neeg siv khoom thiab lawv cov neeg siv khoom. Qhov kev cog lus no nkag mus rau txhua yam peb ua, tsav peb kom txuas ntxiv tsim thiab txhim kho peb cov kev daws teeb meem thiab cov txheej txheem kom ua tiav koj cov kev xav tau.
