Specification of PIPA ASTM API 5 L GR X52
API 5L X52
Grade X52 indicates 52000 PSI minimum yield strength and 66000 PSI minimum ultimate tensile strength.
API Standard Specification for Line Pipe
The American Petroleum Institute specification API 5L addresses seamless and welded steel line pipe for pipeline transportation systems in the petroleum and natural gas industries. API 5L is suitable for conveying gas, water, and oil.
Grades covered by this specification are A25, A, B and “X” Grades X42, X46, X52, X56, X60, X65, X70, and X80. The two digit number following the “X” indicates the Minimum Yield Strength (in 000’s psi) of pipe produced to this grade.
| Grade B | (ASTM A53, A106, A523) | (API 5LR) | (API 5L PSL2) |
|---|
| Minimum Yield Strength: | 35,000 psi | 35,500 | 35,000 psi |
| Maximum Yield Strength: | None | | 65,000 psi |
| Minimum Tensile Strength: | 60,000 psi | 60,200 | 60,000 psi |
| Maximum Tensile Strength: | None | | 110,000 psi |
| Notes: This grade may be used for standard pipe, line pipe or conduit pipe as specified in the various ASTM and API specifications |
Related Standard & Specification: API, DNV, ISO, DEP, EN, ASTM, DIN, BS, JIS, GB
Related Grade: API 5L A-X80, GB/T9711 L190-L555, ASTM A106/A53/A179/A192/A335/A333, DIN1629/17175, JIS G3454/ 3455/3456
Available Approved Marine: ABS/BV/LR/DNV/GL/KR, EN10204 3.2 MTC
Special Service: Sweet Service, Sour Service, Anti-H2S, NACE MR0175/ISO15156
Produce Process: Cold Drawn, Hot Rolled, Hot Expanded
Available Dimension Range:
Available Length: 3-36 Meters
Production Standards & Material Qualities
API 5L L245 / Gr. B (PSL 1)
API 5L L290 / X42 (PSL 1)
API 5L L245 / Gr. B (PSL 2)
API 5L L290 / Gr. B (PSL 2)
API 5L L320 / X46 (PSL 1)
API 5L L320 / X46 (PSL 2) | API 5L L360 / X52 (PSL 1)
API 5L L360 / X52 (PSL 2)
API 5L L415 / X60 (PSL 1)
API 5L L415 / X60 (PSL 2)
API 5L L450 / X65 (PSL 1)
API 5L L450 / X65 (PSL 2) |
Line Pipe
API 5L, PSL 1, PSL 2
CSA Z 245.1
EN ISO 3183
GOST 20295 | Gr A, X70-(N, M)
Gr 241-Gr 359
L 245-L485 (N, M, NE, ME)
K34-K60 |
| Tests & Certificates |
|---|
The quality level of all Steel Line Pipe, API 5L X52 PSL2 Pipe is guaranteed by a complete internal Quality plan and certificating under ISO-9001, TUV (according to AD 2000-Merkblatt W0/TRD100), API, PED (accordance with Pressure Equipment Directive 97/23/EC), Burst test (Det Norske Veritas), and certainly Lloyds and Stoomwezen. |
Line pipe – types of steel
Tubes for transportation of flammable fluids are made of the following steels, according to EN 10208-1: L210GA, L235GA, L245GA, L290GA, L360GA, according to EN 10208-2: L245NB, L290NB, L360NB, L415NB and according to API 5L: Grade A, Grade B, Grade X42, Grade X46, Grade X52, Grade X60. Additional types of steel (according to DIN 2470-1/1629 and 2470-2/17172 and UNI 7088) together with its chemicals composition and mechanical properties are shown in a separate overview.. Steel is made in the electric arc furnace and it is fully killed.
| CHEMICAL COMPOSITION |
|---|
| Mass fraction, based upon heat and product analysis % maximum | CARBON EQUIVALENT a |
|---|
| % MAXIMUM |
|---|
| Cb | Si | Mnb | P | S | V | Nb | Ti | Other | CEIIW | CEPcm |
|---|
| SEAMLESS & WELDED PIPES |
| L290R OR X42R | 0.24 | 0.4 | 1.2 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 | e | 0.43 | 0.25 |
| L290Q OR X42Q | 0.18 | 0.45 | 1.4 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e | 0.43 | 0.25 |
| WELDED PIPE |
| L290M OR X42M | 0.22 | 0.45 | 1.3 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 | e | 0.43 | 0.25 |
| MECHANICAL REQUIREMENTS |
|---|
| Y.S | T.S | ELONGATION |
| Mpa (psi) | Mpa(psi) |
| min | min | min |
| 290(42 100) | 495(71 800) | f |
Chemical Analysis(%) For Part Standard -PSL2
| Standard | Class | Grade | C | Si | Mn | P | S | V | Nb | Ti |
|---|
| max | max | max | max | max | max | max | max |
|---|
APL 5L
ISO 3181 | PSL2 | L245R or BR | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | d | d | 0.04 |
|---|
| L290R or X42R | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 |
| L245N or BN | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | d | d | 0.04 |
| L290N or X42N | 0.24 | 0.40 | 1.20 | 0.025 | 0.015 | 0.06 | 0.05 | 0.04 |
| L320N or X46N | 0.24 | 0.40 | 1.40 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 |
| L360N or X52N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 |
| L390N or X56N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 |
| L415N or X60N | 0.24 | 0.45 | 1.40 | 0.025 | 0.015 | 0.10 | 0.05 | 0.04 |
| L245Q or BQ | 0.18 | 0.45 | 1.40 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L290Q or X42Q | 0.18 | 0.45 | 1.40 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L320Q or X46Q | 0.18 | 0.45 | 1.40 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L360Q or X52Q | 0.18 | 0.45 | 1.50 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L390Q or X56Q | 0.18 | 0.45 | 1.50 | 0.025 | 0.015 | 0.07 | 0.05 | 0.04 |
| L415Q or X60Q | 0.18 | 0.45 | 1.70 | 0.025 | 0.015 | c | c | c |
| L450Q or X65Q | 0.18 | 0.45 | 1.70 | 0.025 | 0.015 | c | c | c |
| L485Q or X70Q | 0.18 | 0.45 | 1.80 | 0.025 | 0.015 | c | c | c |
| L555Q or X80Q | 0.18 | 0.45 | 1.90 | 0.025 | 0.015 | c | c | c |
| L625Q or X90Q | 0.16 | 0.45 | 1.90 | 0.020 | 0.010 | c | c | c |
| L690Q or X100Q | 0.16 | 0.45 | 1.90 | 0.020 | 0.010 | c | c | c |
| L245M or BM | 0.22 | 0.45 | 1.20 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L290M or X42M | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L320M or X46M | 0.22 | 0.45 | 1.30 | 0.025 | 0.015 | 0.05 | 0.05 | 0.04 |
| L360M or X52M | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | b | b | b |
| L390M or X56M | 0.22 | 0.45 | 1.40 | 0.025 | 0.015 | b | b | b |
| L415M or X60M | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | c | c | c |
| L450M or X65M | 0.12 | 0.45 | 1.60 | 0.025 | 0.015 | c | c | c |
| L485M or X70M | 0.12 | 0.45 | 1.70 | 0.025 | 0.015 | c | c | c |
| L555M or X80M | 0.12 | 0.45 | 1.85 | 0.025 | 0.015 | c | c | c |
| L625M or X90M | 0.10 | 0.55 | 2.10 | 0.020 | 0.010 | c | c | c |
| L690M or X100M | 0.10 | 0.55 | 2.10 | 0.020 | 0.010 | c | c | c |
Mechanical Properties
| Standard | Class | Grade | Yield Strength
MPa | Yield Strength
MPa | Y.S/T.S |
|---|
| min | max | min | max | max |
|---|
API 5L
ISO3183 | PSL2 | L245R or BR
L245N or BN
L245Q or BQ
L245M or BM | 245 | 450 | 415 | 655 | 0.93 |
|---|
L290R or X42R
L290N or X42N
L290Q or X42Q
L290M or X42M | 290 | 495 | 415 | 655 | 0.93 |
L320N or X46N
L320Q or X46Q
L320M or X46M | 320 | 525 | 435 | 655 | 0.93 |
L360N or X52N
L360Q or X52Q
L360M or X52M | 360 | 530 | 460 | 760 | 0.93 |
L390N or X56N
L390Q or X56Q
L390M or X56M | 390 | 545 | 490 | 760 | 0.93 |
L415N or X60N
L415Q or X60Q
L415M or X60M | 415 | 565 | 520 | 760 | 0.93 |
L450Q or X65Q
L450M or X65M | 450 | 600 | 535 | 760 | 0.93 |
L485Q or X70Q
L485M or X70M | 485 | 635 | 570 | 760 | 0.93 |
L555Q or X80Q
L555M or X80M | 555 | 705 | 625 | 825 | 0.93 |
L625M or X90M
L625Q or X90Q | 625 | 775 | 695 | 915 | 0.95 |
L690M or X100M
L690Q or X100Q | 690 | 840 | 760 | 990 | 0.97 |
Minimum Impact Energy
| Standard | Specified Outside Diameter | Grade | Charp Imapct Test 0℃ |
|---|
| Impact of Pipe Body | Impact of Weld |
|---|
API 5L
ISO3183 | D≤762mm | ≤L485 or X70 | 27 | 27 |
|---|
| L555 or X80 | 40 | 27 |
| 762mm< td="" style="box-sizing: border-box;"><> | ≤L555 or X80 | 40 | 27 |
| 1219mm< td="" style="box-sizing: border-box;"><> | ≤L415 or X60 | 40 | 27 |
>L415 or X60
≤L555 or X80 | 54 | 27 |
| >1422mm | ≤L415 or X60 | 40 | 40 |
>L415 or X60
≤L555 or X80 | 54 | 40 |
API 5L X52 PSL2 Pipe features:
- The American Petroleum Institute specification API 5L covers seamless and welded steel line pipe.
- API 5L, 45th Edition / ISO 3183
- This is steel pipe for pipeline transportation systems in the petroleum and natural gas industries
- API 5L X52 PSL2 Pipe is suitable for conveying gas, water, and oil.
- API 5L X52 PSL2 Pipe, high yield seamless pipes, modified to suit offshore structural purposes.
- Suitable for weldable structural steels for fixed offshore structures
- Ashtapad’s seamless and extra long ERW API 5L Line Pipe for dependable transmission of oil and gas to any type of collection and distribution point.
- As only the edges are heated, the tube possesses dean accurate surface.
- Safety is better than smls pipe.
- The cost is cheaper than smls pipe and LSAW pipe.
- Manufacturing speed is quicker than seamless pipe or sub merged welded pipes.
API 5L X52 PSL2 Pipe – delivery condition and surface
Usually API 5L X52 PSL2 Pipe are supplied as hot rolled. Only tubes with DN 6 -10, perhaps tubes of other dimensions are supplied as cold drawn and after forming they are heat treated. This is done as per precious agreement. The tube surface meets corresponds to the means of manufacturing.
API 5L X52 PSL2 Pipe – straightness
Tubes are visually straight.
Ends of the API 5L X52 PSL2 Pipe
Ends of tubes are smooth, without threads.
From 60.3 diameter beveled according to standards:
DIN, EN – a = 40° – 60°, c = to 2 mm
ASME – a = 75° ± 5°, c = 1,6 ± 0,8 mm
Marking of API 5L X52 PSL2 Pipe and tube bundles
Tubes with diameter up to 1 ½” are marked with label on the bundle. Tubes with larger diameter than 1 ½” are implemented according to directives or upon request.
API 5L X52 PSL2 Pipe – surface protection
Line pipes are supplied without temporary protection against corrosion. Upon request it is possible to deliver tubes with agreed upon anticorrosion protection. The tube ends may be enclosed by a plastic plug.
API X Grades – some of the sturdiest pipes and tubing available designed for extreme environments or exceedingly high pressure environments
| CHEMICAL COMPOSITION |
| Mass fraction, based upon heat and product analysis % maximum | CARBON EQUIVALENT a |
| % MAXIMUM |
| Cb | Si | Mnb | P | S | V | Nb | Ti | Other | CEIIW | CEPcm |
| SEAMLESS & WELDED PIPES |
| L485Q or X70Q | 0.18f | 0.45f | 1.8f | 0.025 | 0.015 | g | g | g | h | 0.43 | 0.25 |
| WELDED PIPE |
| L485M OR X70M | 0.12f | 0.45f | 1.7f | 0.025 | 0.015 | g | g | g | h | 0.43f | 0.25 |
| MECHANICAL REQUIREMENTS |
| Y.S | T.S | ELONGATION |
| Mpa(psi) | Mpa(psi) |
| min | min | min |
| 485(70 300) | 635(92 100) | f |
| IMPACT TEST |
| AVG. ABSORBED ENERGY | IND. ABSORBED ENERGY |
| Min.(joules) | Min.(joules) |
| 27 | 20 |
Unless otherwise agreed, the sum of th niobium & vanadum concentrations shall be = 0.06%
Unless otherwise agreed, 0.50% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium, & 0.15% maximum for molybdenum.
The sum of th niobium & vanadum & titanium concentrations shall be =0.15%
Unless otherwise agreed, 0.50% maximum for copper, 0.30% maximum for nickel, 0.30% maximum for chromium, & 0.15% maximum for molybdenum.
Unless otherwise agreed g unless otheriwse agreed the sum of th niobium & vanadum & titanium concentrations shall be =0.15%
