Diameter :dari 4 1/2 inci hingga 20 inci (48.26mm - 508mm) ( Selongsong)
Saiz: OD: 48.26mm-114.3mm ( Tiub)
Panjang: R1, R2, R3
Gred paip Selongsong:
API 5CT H40
API 5CT J55
API 5CT K55
API 5CT M65
API 5CT N80 (1,Q)
API 5CT L80 (9Cr,13Cr)
API 5CT C90
API 5CT T95
API 5CT P110
API 5CT Q125
Jenis paip selongsong:
Selongsong lancar (diameter kecil, diameter sederhana)
Selongsong ERW (diameter sederhana)
Puting selongsong
Gandingan selongsong
Aplikasi paip selongsong:
selongsong pengekstrakan telaga minyak
sarung lubang gerudi
sarung lubang bor
Sambungan paip selongsong
API 5CT boleh digunakan untuk sambungan berikut yang mematuhi API SPEC 5B:
• SC: Selongsong benang bulat pendek
• LC: Selongsong benang bulat panjang
• SM: Selongsong benang penopang
• NU: Tiub tidak terganggu
• EU: Tiub gangguan luaran
• IJ: Sambungan tiub bersepadu
Kumpulan Gred
• Kumpulan 1: Semua selongsong dan tiub dalam Gred dengan H, J, K, N dan R
• Kumpulan 2: Semua selongsong dan tiub dalam Gred dengan C, L, M dan T
• Kumpulan 3: Semua selongsong dan tiub dalam Gred P
• Kumpulan 4: Semua sarung dalam Gred Q
Komposisi Kimia bagi selongsong keluli API 5CT dan paip tiub:
| Komposisi kimia, pecahan jisim(%) | |||||||||||||||
| Kumpulan | Gred | taip | C | Mn | Mo | Cr | Ni | Cu | P | S | Si | ||||
| Min. | Maks. | Min. | Maks. | Min. | Maks. | Min. | Maks. | Maks. | Maks. | Maks. | Maks. | Maks. | |||
| 1 | H40 | – | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – |
| J55 | – | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – | |
| K55 | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – | ||||
| N80 | 1 | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – | |
| N80 | Q | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – | |
| R95 | – | – | 0.45 | – | 1.90 | – | – | – | – | – | – | 0.03 | 0.030 | 0.45 | |
| 2 | M65 | – | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – |
| L80 | 1 | – | 0.43 | – | 1.90 | – | – | – | – | 0.25 | 0.35 | 0.03 | 0.030 | 0.45 | |
| L80 | 9Cr | – | 0.15 | 0.30 | 0.60 | 0.90 | 1.10 | 8.00 | 10.00 | 0.50 | 0.25 | 0.02 | 0.010 | 1.00 | |
| L80 | 13Cr | 0.15 | 0.22 | 0.25 | 1.00 | – | – | 12.00 | 14.00 | 0.50 | 0.25 | 0.02 | 0.010 | 1.00 | |
| C90 | 1 | – | 0.35 | – | 1.20 | 0.25 | 0.85 | – | 1.50 | 0.99 | – | 0.02 | 0.010 | – | |
| T95 | 1 | – | 0.35 | – | 1.20 | 0.25 | 0.85 | 0.40 | 1.50 | 0.99 | – | 0.02 | 0.010 | – | |
| C110 | – | – | 0.35 | – | 1.20 | 0.25 | 1.00 | 0.40 | 1.50 | 0.99 | – | 0.02 | 0.005 | – | |
| 3 | P110 | – | – | – | – | – | – | – | – | – | – | – | 0.03 | 0.030 | – |
| 4 | Q125 | 1 | – | 0.35 | – | 1.35 | – | 0.85 | – | 1.50 | 0.99 | – | 0.02 | 0.010 | – |
