1. Standard
InternationalStandard:API 5CT
2. Chemical Composition
L80-13Cr Chemical Composition%
| Elements | C | Si | Mn | P | S | Cr | Ni | Cu |
| min | 0.15 | 0.25 | 12.0 | |||||
| max | 0.22 | 1.00 | 1.00 | 0.020 | 0.010 | 14.0 | 0.50 | 0.25 |
| Actual value | 0.18 | 0.42 | 0.67 | 0.012 | 0.004 | 13.2 | 0.03 | 0.02 |
3. Mechanical Properties
L80-13Cr Mechanical Properties
| Mechanical Properties |
Tensile StrengthMPa |
Yield Strength MPa |
Hardness HRC |
IMPact （longitudinal） AKv （0℃） J |
Elongation（longitudinal） % |
| Min（標準） | 655 | 552 | 27 | 20 | |
| Max（標準） | 655 | 23 | |||
| Actual value | 736 | 585 | 19.8 | 45 | 27 |
4. Typical Size
Typical Size
| Size | Outer Diameter | Thickness | ||||
| 114.3*101.6*7.9 | Big Diameter±0.7mm | Small Diameter±0.7mm | ±0.79mm | |||
| Actual Value | 114.5 | 114.3 | 101.6 | 101.7 | 7.58 | 7.94 |
5. Typical Application Environment
Products are widely used in steel structure, machinery manufacturing, construction engineering, automobile manufacturing, shipbuilding, electric power and other industries.