API Class 5l X65 yeeb nkab tuaj yeem yog seamless lossis welded hauv ntau hom.
Feem ntau siv rau hauv cov roj thiab roj tsheb thauj mus los. Cov yeeb nkab muaj qhov tsawg kawg nkaus lub zog ntawm 65ksi, yog li lub npe X65. Nws kuj muaj qhov tsawg kawg nkaus tensile lub zog ntawm 77ksi.
API 5L qib X65 yeeb nkab yog ib qho ntawm cov kav dej muaj zog hauv qib API 5L. Yog tias tsim nyog, cov kav dej no kuj tseem siv tau rau cov kav dej. Cov khoom siv no siv manganese, phosphorus thiab silicon raws li nws cov ntsiab lus alloy thiab tsis tshua muaj carbon. Cov khoom tshwj xeeb suav nrog PSL1 thiab PSL2 qib.
API 5l X65 Psl2 tsis tshua muaj tab sis muaj cov khoom siv tshuab siab. Nominal bore loj rau cov yeeb nkab yog 3/8-inch rau 30-inch. Cov yeeb nkab ntev txog li 13m muaj nyob rau hauv ib qho random, ob chav random thiab customized ntev. API 5l X65 DSAW tubes kuj muaj nyob rau hauv qhov kawg, bevel kawg thiab ua ke kawg hom.
Chemical Composition ntawm API 5L X65 PSL2 Seamless Yeeb Nkab:
| Cov feem ntau, raws li cov cua sov thiab cov khoom tsom xam % siab tshaj plaws | CARBON EQUIVALENT a | ||||||||||
| % MAXIMUM | |||||||||||
| Cb | Si | Mnb | P | S | V | Nb | Ti | Lwm yam | CEIIW | CEPcm | |
| Seamless & welded kav | |||||||||||
| L450Q or X65Q | 0.18f | 0.45f | 1.7f | 0.025 | 0.015 | g | g | g | h | 0.43 | 0.25 |
| WELDED Yeeb Nkab | |||||||||||
| L450M or X65M | 0.12f | 0.45f | 1.6f | 0.025 | 0.015 | g | g | g | h | 0.43 | 0.25 |
Mechanical zog ntawm API 5L X65 PSL2 Seamless Pipe
| Y.S | T.S | ELONGATION |
| Mpa (psi) | Mpa (psi) | |
| min | min | min |
| 450(65 300) | 600(87 000) | 23% |
| IMPACT TEST | |
| AVG. ABSORBED ENERGY | IND. ABSORBED ENERGY |
| Min. (joules) | Min. (joules) |
| 27 | 20 |
