API SPEC 5L qhia txog qhov yuav tsum tau ua rau kev tsim khoom ntawm ob yam khoom tshwj xeeb (PSL 1 thiab PSL 2) ntawm seamless thiab welded steel yeeb nkab siv rau hauv cov kav dej thauj mus los hauv kev lag luam roj av thiab kev lag luam. API 5L PSL 1 X42 (L290) Kab Pipe API 5L PSL 2 X42 (L290) Kab Yeeb.
API 5L X42 (L290) Kab Yeeb
Txuj: API SPEC 5L
Sab nraud txoj kab uas hla: 25mm -219.3mm
Phab ntsa thickness: 3.4mm -40mm
Ntev: 6000Mm, 12000m lossis ntev raws li xav tau.
Hom kawg-Finish: Plain End, Beveled End, Treaded
Kev kho deg: Cov raj yuav ua kua roj vanish (Sab nraum nkaus xwb) los tiv thaiv
Chemical Composition rau API 5L PSL 1 X42(L290) Cov yeeb nkab nrog t Tsawg dua lossis sib npaug li 25.0 hli (0.984 hauv.)
| Qib | Tshuaj muaj pes tsawg leeg,% | |||||||
| C | Mn | P | S | V | Nb | Ti | ||
| max | max | min | max | max | max | max | max | |
| Seamless Yeeb Nkab | ||||||||
| L290 los yog X42 | 0.28 | 1.30 | - | 0.030 | 0.030 | – | – | – |
| Welded yeeb nkab | ||||||||
| L290 los yog X42 | 0.26 | 1.30 | - | 0.030 | 0.030 | – | – | – |
Nco tseg: Cu Tsawg dua lossis sib npaug rau {{0}}.50 %; Ni Tsawg dua lossis sib npaug rau 0.50%; Cr Tsawg dua lossis sib npaug li 0.50% thiab Mo Less dua lossis sib npaug li 0.15%.
Nb + V + Ti Tsawg dua lossis sib npaug rau 0.15%.
