Sizes (O.D. )]from 1" to 80"
[Standard]API SPEC 5L
[Application]It is used for conveying gas, water, and petroleum of both the oil and natural gas industries
| Standard |
Tolerance on Diameter |
Tolerance on Thickness |
| A25, A, B |
X42~X70 |
APL
SPEC 5L |
D < 60.3 |
+0.41/ -08.0mm |
D< 73mm D ≥ 73mm |
+20%/-12.5% +15%/-12.5% |
D< 73mm D ≥ 73mm |
+15%/-12.5% +15%/-12.5% |
APL
SPEC 5L |
D ≥ 60.3 |
+0.75%/-0.75%mm |
[Mechanical Properties]
| Standard |
Grade |
Yield Strength(Mpa) |
Tensile Strength( MPa ) |
Elongation(%) |
Impact Energy (J) |
| API SPEC 5L |
PSL1 |
|
| ≥ |
| |
psi |
MPa |
psi |
MPa |
Min(%) |
| A25 |
25,000 |
172 |
45,000 |
310 |
28 ~ 35 |
| A |
30,000 |
207 |
48,000 |
331 |
26 ~ 33 |
| B |
35,000 |
241 |
60,000 |
414 |
21 ~ 27 |
| X42 |
42,000 |
290 |
60,000 |
414 |
21 ~ 27 |
| X46 |
46,000 |
317 |
63,000 |
434 |
20 ~ 26 |
| X52 |
52,000 |
359 |
66,000 |
455 |
20 ~ 24 |
| X56 |
56,000 |
386 |
71,000 |
490 |
18 ~ 23 |
| X60 |
60,000 |
414 |
75,000 |
517 |
18 ~ 22 |
| X65 |
65,000 |
448 |
77,000 |
531 |
17 ~ 21 |
| X70 |
70,000 |
483 |
82,000 |
565 |
16 ~ 20 |
| Standard |
Grade |
Yield Strength (Mpa) |
Tensile Strength ( Mpa) |
Elongation (%) |
Impact Energy(J) |
| API SPEC 5L |
PSL2 |
| |
Min |
Max |
Min |
Max |
|
Min |
| B |
241 |
448 |
414 |
758 |
21 ~ 27 |
41(27) |
| X42 |
290 |
496 |
414 |
758 |
21 ~ 27 |
41(27) |
| X46 |
317 |
524 |
434 |
758 |
20 ~ 26 |
41(27) |
| X52 |
359 |
531 |
455 |
758 |
20 ~ 24 |
41(27) |
| X56 |
385 |
544 |
490 |
758 |
18 ~ 23 |
41(27) |
| X60 |
414 |
565 |
517 |
758 |
18 ~ 22 |
41(27) |
| X65 |
448 |
600 |
531 |
758 |
17 ~ 21 |
41(27) |
| X70 |
483 |
621 |
565 |
758 |
16 ~ 20 |
41(27) |
| X80 |
552 |
690 |
621 |
827 |
15 ~ 19 |
101(68 ) |
