API 5L specification muab cov kev cai rau kev tsim khoom ntawm ob yam khoom, seamless thiab welded steel yeeb nkab rau pipeline thauj tshuab hauv kev lag luam roj thiab roj.
Tshuaj muaj pes tsawg leeg ntawm API 5L Qib B-PSL1 steel yeeb nkab (%)
| Kev sib xyaw | C | Mn | P | S | Cr | Ni | Cu | Mo | B | Ntau | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Seamless Yeeb Nkab | Min | - | - | - | - | - | - | - | - | - | Nb+V Tsawg dua lossis sib npaug rau 0.06;Nb+V+Ti Tsawg dua lossis sib npaug rau 0.15 |
| Max | 0.28 | 1.2 | 0.03 | 0.03 | 0.5 | 0.5 | 0.5 | 0.15 | 0.001 |
| Kev sib xyaw | C | Mn | P | S | Cr | Ni | Cu | Mo | B | Ntau | |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Welded Pib | Min | - | - | - | - | - | - | - | - | - | Nb+V Tsawg dua lossis sib npaug rau 0.06;Nb+V+Ti Tsawg dua lossis sib npaug rau 0.15 |
| Max | 0.26 | 1.2 | 0.03 | 0.03 | 0.5 | 0.5 | 0.5 | 0.15 | 0.001 |
Mechanical Properties API 5L Qib B-PSL1 Yeeb Nkab
| Hom | Tensile zog σb Mpa |
Yield Point σs Mpa |
Elongation ntawm tawg los yog elongation δ % |
|---|---|---|---|
| Seamless, Welded | Ntau dua lossis sib npaug rau 415 | Ntau dua lossis sib npaug li 245 | * |
GNEE API 5L Qib B PSL1 Yeeb Nkab Kev Muag Khoom
Sab nraud txoj kab uas hla ntawm 21.3mm txog 762mm
Phab ntsa thicknesses ntawm 2.0mm txog 140mm
