ASTM A252 GR.3 Cov Qauv LSAW Carbon Steel Yeeb Nkab,
LSAW Cov Hlau Yeeb Nkab,
Kev Tsim Khoom: LSAW (JCOE) Cov kav hlau.
Loj:OD: 323.8 ~ 1500 hli WT: 6 ~ 40 hli.
Qib:Qib 1, Qib 2, Qib 3.
Ntev:6M lossis qhov ntev teev tseg raws li xav tau.
Xaus:Xaus tiaj tiaj, Xaus Beveled.
| Cov Lus Qhia Tshwj Xeeb | OD≤2500mm WT≤120mm | ||
| OD | ±1% Yam tsawg kawg nkaus: ±0.5 hli, Siab tshaj plaws: ±10 hli | ||
| Qhov hnyav | -10% | ||
| Qhov hnyav | ±6% | ||
| Ntev | Qhov Ntev | 4m≤L≤6m | ±500 hli |
| Ntev Ntev | 4m≤L≤6m | +10 hli | |
| > 6m | +15 hli | ||
| Qhov siab ntawm cov hlaws weld rau Submerged arc welded hollow sections | Thaum WT≤14.2, qhov siab ntawm lub vuam vuam ≤3.5 Thaum WT > 14.2, qhov siab ntawm lub hlaws welded ≤ 4.8 | ||
1. Qhov ntau (taw, meters, lossis tus naj npawb ntawm qhov ntev).
2. Lub npe ntawm cov khoom siv (LSAW yeeb nkab hlau ).
3. Qib.
4. Kev tsim khoom.
5. Loj (sab nraud lossis sab hauv txoj kab uas hla, phab ntsa tuab ib txwm).
6. Ntev (tshwj xeeb lossis random).
7. Cov kev cai xaiv tau.
1. Lub npe hlau, piv txwv li EN10219-S355J0H.
2. Lub npe ntawm tus neeg tsim khoom lossis lub cim lag luam.
3. Loj (OD, WT, ntev).
4. Qib.
5. Hom yeeb nkab (F, E, lossis S).
6. Tus lej cua sov.
7. Cov ntaub ntawv ntxiv uas tau teev tseg rau hauv daim ntawv xaj yuav khoom.
● Cov yeeb nkab liab qab los yog Dub / Varnish txheej (kho kom haum);
● Hauv xoob;
● Ob qho kawg nrog cov tiv thaiv kawg;
● Qhov kawg tiaj tus, qhov kawg bevel;
● Kev cim. Cov yeeb nkab uas tau txiav txim raws li qhov kev qhia tshwj xeeb no yog siv rau kev tsim kho.
Kev Tsim Khoom: Longitudinal Submerged-arc Welded Pipe
Loj: 323.8 ~ 1500 hli WT: 8 ~ 80 hli
Qib: GR.1, GR.2, GR.3.
Ntev: 6M lossis qhov ntev teev tseg raws li xav tau.
Xaus: Qhov kawg tiaj tus / Qhov kawg Bevel.
ASTM A252 GR.3 Cov Qauv LSAW (JCOE) Cov Yeeb Nkab Hlau Carbon
BS EN10210 S275J0H LSAW (JCOE) Cov Yeeb Nkab Hlau
ASTM A671/A671M LSAW Cov Yeeb Nkab Hlau
ASTM A672 B60/B70/C60/C65/C70 LSAW Cov Yeeb Nkab Hlau Carbon
API 5L X65 PSL1/PSL 2 LSAW Cov Yeeb Nkab Hlau Carbon / API 5L Qib X70 LSAW Cov Yeeb Nkab Hlau
EN10219 S355J0H Cov Qauv LSAW (JCOE) Cov Yeeb Nkab Hlau
