ASTM API 5L | Specification for line pipe | |
---|---|---|
Material Grade | PSL1 | L290 or x42 |
Material Grade | PSL2 | L290Q or X42Q L290R or X42R L290N or X42N L290Q or X42Q L290M or X42M |
Grade |
Chemical Composition |
|||||||
---|---|---|---|---|---|---|---|---|
|
C |
Si |
Mn |
P |
S |
V |
Nb |
Ti |
API 5L X42 |
0.16 |
0.45 |
1.65 |
0.020 |
0.010 |
0.07 |
0.05 |
0.04 |
API 5L Grade | Yield Strength min. (ksi) |
Tensile Strength min. (ksi) |
Yield to Tensile Ratio (max.) |
Elongation min. %1 |
---|---|---|---|---|
X42 | 42 | 60 | 0.93 | 23 |