Strength and chemical composition
X46: It belongs to the pipeline steel grade in the API standard, and its strength level is X46, corresponding to L320. X46 pipes have high tensile strength and toughness, and are suitable for projects such as oil and gas pipelines that require high pressure resistance.
X70: It is also a pipeline steel grade in the API standard, and its strength level is X70, corresponding to L485. X70 pipes have higher strength and are suitable for oil and gas pipelines in various complex environments, and can withstand higher pressures and complex environments.
| Steel Grade | Mass fraction, % based on heat and product analyses a,g | ||||||
|---|---|---|---|---|---|---|---|
| C | Mn | P | S | V | Nb | Ti | |
| max b | max b | max | max | max | max | max | |
|
Seamless Pipe |
|||||||
| X46 | 0.28 | 1.40 | 0.3 | 0.3 | d | d | d |
| API5L X46 Seamless Steel tube tensile properties | |||
| Yield Strength a | Tensile Strength a | Elongation | Tensile Strength b |
| Rt0,5 PSI Min | Rm PSI Min | (in 2in Af % min) | Rm PSI Min |
| X46 | 46,400 | 63,100 | c |
API 5L X70 Welded spiral pipe Chemical Composition
| X70 PSL1 | X70 PSL2 | |||||||
| Grade | C (Max.) | Mn (Max.) | P (Max.) | S (Max.) | C (Max.) | Mn (Max.) | P (Max.) | S (Max.) |
| X70 | 0.26 | 1.65 | 0.03 | 0.03 | 0.22 | 1.85 | 0.025 | 0.015 |
Yield Strength Of API 5L X70 Pipe
|
Grade |
Yield Strength |
Tensile Strength |
Yield to Tensile |
Elongation |
|
|
min. (KSI) |
min. (KSI) |
Ratio (max) |
% |
|
API 5L X70 |
70 |
82 |
0.93 |
17 |
Application scenarios
X46: Commonly used in oil and gas pipelines that require high pressure resistance, suitable for medium pressure pipeline systems 1.
X70: Widely used in oil and gas pipelines in various complex environments, suitable for high-pressure, long-distance pipeline systems, and pipeline projects that can meet higher pressure requirements
API 5L X46 large diameter pipe
