MECHANICAL TUBES FOR COUPLING STOCK PRODUCTION
1. Standards
API 5CT, API 5L
2. Used for
- Hot rolled tubes used in coupling production.
3. Dimensions
According Tab.1
4. Tolerances
| Standard | Outside Diameter | Wall Thickness |
| API 5 CT |
OD<114.3: ±0.79mm OD>=114.3: +1/-0.5% |
on the purchase agreement |
| API 5L |
OD<60.3: +0.4/-0.8 mm 60.3<OD<=168.3: ±0.75% OD>168.3: ±0.75% |
WT<=4: +0.6/-0.5mm 4<WT<25: +15%/-12.5% |
5. Chemical Composition (%)
Acc. Tab.2 and Tab.3
6. Mechanical Properties
Acc. Tab.4 and Tab.5
7. Lengths
Random lengths 4÷8m (13.1÷26.2ft) or fixed length within the random lengths range.
8. Protection
- unprotected;
9. Marking
- According to standard or per customer request.
10. Delivery
In bundles up to 4000 kg (8800 lbs).
11. Mill test report
- Mill test reports are issued to customer requirements. Usually they comply with DIN 50049, EN 10204.
12. Quality certified
- API 5CT, API 5L.