CONDUCTE ȘI EBOȘE TUBULARE PENTRU INDUSTRIA PETROLIERĂ
1. Standards
- API Spec 5L;
- ISO 3183;
- API 5CT.
2. Used for
- Construction of long distance Pipe Lines for combustible liquids and gases;
- Conveying gas and oil; in oil and natural gas industries;
- Drilling and oil extraction.
3. Dimensions
According API 5L or API 5CT or ASME B36.10M in dimensional range corresponding to the workshop CPE (Tab.1 and Tab.3) or ASSEL (Tab.2 and Tab.4).
4. Tolerances
| Standard | Outside Diameter | Wall Thickness | Weight |
| API 5L | ±0.75% | +15/-12.5% | +10/-3.5% for single lengths
-1.75% for carload lots |
| ISO 3183 | ±0.75% | +15/-12.5% | +10/-3.5% for single lengths
-1.75% for carload lots |
| API 5CT | OD<114.3 ±0.79mm
OD>=114.3 (+1/-0.5%) |
In according to customer. | +6.5/-3.5% |
5. Chemical Composition (%)
According Tab.5 and Tab.6
6. Mechanical Properties
According Tab.7 and Tab.8
7. Lengths
| Standard | Nominal length | Min. Length | Average Length | Max. Length | ||||
| ft | m | ft | m | ft | m | |||
| API 5L & ISO 3183 | 20ft (6m)
40ft (12m) |
16
22 |
4.88
6.71 |
17.5
35.0 |
5.33
10.67 |
22.5
39.4 |
6.86
12.00 |
|
| API 5CT | Total range length, inclusive
Range length for 100 % of carload: Permissible variation, max. |
8.53 la 9.75 m ©
0.61 |
||||||
| ©By agreement between purchaser and manufacturer, the maximum length may be increased to 10,36 m. | ||||||||
8. Protection
- Unprotected;
- External varnished with black or clear lacquer;
- If required, the tubes can be delivered with plastic caps at both ends.
9. Marking
- According to standard or per customer request.
10. Delivery
In bundles up to 4000 kg (8800 lbs) tied in minimum six places with steel strip.
Quantity tolerances: ±5% per size or / and per total.
11. Mill test report
- Mill test reports are issued to customer requirements. Usually they comply with DIN 50049, EN 10204.
12. Quality certified
- API 5L, API 5CT