Encapsulation Line Tubes
Encapsulated Line Tubes for chemical injection
Control lines and chemical injection lines in austenitic stainless steel and duplex stainless steel. Baosheng’s range includes control lines and chemical injection lines in seamless or welded condition.
Baosheng’s service center is located in Changzhou, China(about 60 minutes from Shanghai by bullet train) holds extensive seamless coiled tube and laser welded tube stocks for control lines and chemical injection lines to ensure just-in-time deliveries. Baosheng also operates a complete package of additional services:
- Cut to length
- Hydrotesting
- Paint striping
- Encapsulation
- Flush and fill (acc. to Nas Class 8)
- Level wound on reels
- Customer specified packaging
- Direct delivery to site
Packing standards
- Coils wound on wooden spools
- Coils wound on customer-specific metal reels
- Full package marking service, customer specific
- Description
- Inquiry
Description
Seamless control lines and chemical injection lines
The tables show materials, sizes and approvals for control lines and chemical injection lines in seamless condition.
| Grade | UNS | C max. | Cr | Ni | Mo | N | Others |
|---|---|---|---|---|---|---|---|
| TP 316L | S31600/S31603 | 0.030 | 17.5 | 13 | 2.1 | – | – |
| Alloy 825 | N08825 | 0.030 | 20 | 38.5 | 2.6 | – | Cu=1.7, Ti=0.7 |
| 28 | N08028 | 0.020 | 27 | 31 | 3.5 | – | Cu=1.0 |
| 2205 | S31803/S32205 | 0.030 | 22 | 5 | 3.2 | 0.18 | – |
| 2507 | S32750 | 0.030 | 25 | 7 | 4 | 0.3 | – |
* All materials are supplied in the solution annealed condition. Other grades can be offered on request.
| Grade | Yield strength, psi (MPa) | Tensile strength, psi (MPa) | Elongation % |
|---|---|---|---|
| TP 316L | ≥32,000 (220) | ≥75,000 (515) | ≥35 |
| Alloy 825 | ≥35,000 (240) | ≥80,000 (550) | ≥30 |
| 28 | ≥32,000 (220) | ≥100,000 (690) | ≥40 |
| 2205 | ≥70,000 (485) | ≥99,000 (680) | ≥25 |
| 2507 | ≥80,000 (550) | ≥116,000 (800) | ≥25 |
1) All materials in the solution annealed condition
| Grade | UNS | PRE1) | CPT2) o F (oC) | Max. H2S3 psi | CO24) |
|---|---|---|---|---|---|
| TP 316L | S31600/S31603 | ≥24 | 95 (35) | No Limit | + |
| Alloy 825 | N08825 | ≥29 | 140 (60) | No Limit | ++ |
| 28 | N08028 | ≥39 | 150 (65) | No Limit | ++ |
| 2205 | S31803/S32205 | ≥35 | 150 (65) | 1.5 | + |
| 2507 | S32750 | ≥42.5 | 195 (90) | 3 | ++ |
1) PRE = (%Cr) + 3.3 (%Mo) +16 (%N)
2) Critical Pitting Temperature in neutral solution with approximately 3% chlorides
3) Per NACE MR0175 / ISO 15156 for downhole control lines in the solution annealed condition
4) General resistance to CO2 corrosion. ‘++’ indicates better resistance than ‘+’
| Outside diameter | Wall thickness | Max single coil length (TP 316L) | Max single coil length (A825) | Max LLBW1) 2) | |||
|---|---|---|---|---|---|---|---|
| in. | in. | m | ft | m | ft | m | ft |
| 1/4 | 0.035 | 252 | 827 | 640 | 2,100 | 29,000 | 95,149 |
| 1/4 | 0.049 | 192 | 630 | 488 | 1,601 | 22,000 | 72,182 |
| 1/4 | 0.065 | 158 | 518 | 401 | 1,316 | 18,000 | 59,058 |
| 3/8 | 0.035 | 159 | 522 | 404 | 1,326 | 18,000 | 59,058 |
| 3/8 | 0.049 | 118 | 387 | 300 | 984 | 14,000 | 45,934 |
| 3/8 | 0.065 | 94 | 308 | 239 | 784 | 11,000 | 36,091 |
| 3/8 | 0.083 | 78 | 256 | 199 | 653 | 9,000 | 29,529 |
| 1/2 | 0.035 | 116 | 381 | 296 | 971 | 13,000 | 24,653 |
| 1/2 | 0.049 | 85 | 279 | 217 | 712 | 10,000 | 32,810 |
| 1/2 | 0.065 | 67 | 220 | 171 | 561 | 7,500 | 24,608 |
| 1/2 | 0.083 | 55 | 180 | 139 | 456 | 6,000 | 19,686 |
| 5/8 | 0.035 | 92 | 302 | 234 | 767 | 10,750 | 35,271 |
| 5/8 | 0.049 | 67 | 220 | 171 | 561 | 7,500 | 24,608 |
| 5/8 | 0.065 | 52 | 171 | 131 | 430 | 6,100 | 20,014 |
| 5/8 | 0.083 | 25 | 82 | 25 | 82 | 5,000 | 16,405 |
| 3/4 | 0.035 | 25 | 82 | 25 | 82 | – | – |
| 3/4 | 0.049 | 25 | 82 | 25 | 82 | – | – |
| 3/4 | 0.065 | 25 | 82 | 25 | 82 | – | – |
| 3/4 | 0.083 | 25 | 82 | 25 | 82 | – | – |
1) Long length can be manufactured but with welded joint.
