Line Pipe
Line pipes transport oil, gas or water pumped out of the ground to oil and natural gas industrial enterprises through line pipes. Line pipes include seamless and welded pipes, and their pipe ends include flat ends, threaded ends, and socket ends; their connection methods include end welding, coupling connections, socket connections, etc.
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Line pipes are steel pipelines used for the transportation of oil, gas, petroleum and water. Pipeline steel is categorized into seamless steel pipe and welded steel pipe according to its manufacturing method, which is made of high-strength carbon steel and can be laid in cold, high-sulfur areas or under the sea.
Api 5l Line Pipe Chemical Analysis (%):
|
Standard |
Type of pipe |
Class |
Grade |
C |
Si |
Mn |
P |
S |
V |
Nb |
Ti |
|
max |
max |
max |
max |
max |
max |
max |
max |
||||
|
API SPEC 5L |
SMLS |
PLS1 |
L245 B L290 X42 L320 X46 L360 X52 L390 X56 L415 X60 L450 X65 L485 X70 L245N BN |
0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.28 0.24 |
0.4 |
1.20 1.30 1.40 1.40 1.40 1.40 1.40 1.40 1.20 |
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.025 |
0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.030 0.015 |
--- |
--- |
0.04 |
|
PLS2 |
L290N X42N |
0.24 |
0.4 |
1.2 |
0.025 |
0.015 |
0.06 |
0.05 |
0.04 |
||
|
L320N X46N |
0.24 |
0.4 |
1.4 |
0.025 |
0.015 |
0.07 |
0.05 |
0.04 |
|||
|
L360N X52N |
0.24 |
0.45 |
1.4 |
0.025 |
0.015 |
0.1 |
0.05 |
0.04 |
|||
|
L390N X56N |
0.24 |
0.45 |
1.4 |
0.025 |
0.015 |
0.1 |
0.05 |
0.04 |
|||
|
L415N X60N |
0.24 |
0.45 |
1.4 |
0.025 |
0.015 |
0.1 |
0.05 |
0.04 |
|||
|
WELD |
PLS1 |
L245 B |
0.26 |
- |
1.2 |
- |
0.03 |
0.03 |
- |
- |
|
|
L290 X42 |
0.26 |
- |
1.3 |
- |
0.03 |
0.03 |
- |
- |
|||
|
L320 X46 |
0.26 |
- |
1.4 |
- |
0.03 |
0.03 |
- |
- |
|||
|
L360 X52 |
0.26 |
- |
1.4 |
- |
0.03 |
0.03 |
- |
- |
|||
|
L390 X56 |
0.26 |
- |
1.4 |
- |
0.03 |
0.03 |
- |
- |
|||
|
L415 X60 |
0.26 |
- |
1.4 |
- |
0.03 |
0.03 |
- |
- |
|||
|
L450 X65 |
0.26 |
- |
1.45 |
- |
0.03 |
0.03 |
- |
- |
|||
|
L485 X70 |
0.26 |
- |
1.65 |
- |
0.03 |
0.03 |
- |
- |
|||
|
PLS2 |
L245M BM |
0.22 |
0.45 |
1.2 |
0.025 |
0.015 |
0.05 |
0.05 |
0.04 |
||
|
L290M X42M |
0.22 |
0.45 |
1.3 |
0.025 |
0.015 |
0.05 |
0.05 |
0.04 |
|||
|
L320M X46M |
0.22 |
0.45 |
1.3 |
0.025 |
0.015 |
0.05 |
0.05 |
0.04 |
|||
|
L360M X52M |
0.22 |
0.45 |
1.4 |
0.025 |
0.015 |
- |
- |
- |
|||
|
L390M X56M |
0.22 |
0.45 |
1.4 |
0.025 |
0.015 |
- |
- |
- |
|||
|
L415M X60M |
0.12 |
0.45 |
1.6 |
0.025 |
0.015 |
- |
- |
- |
|||
|
L450M X65M |
0.12 |
0.45 |
1.6 |
0.025 |
0.015 |
- |
- |
- |
|||
|
L485M X70M |
0.12 |
0.45 |
1.7 |
0.025 |
0.015 |
- |
- |
- |
|||
|
L555M X80M |
0.12 |
0.45 |
1.85 |
0.025 |
0.015 |
- |
- |
- |
API Linepipe Mechanical Properities:
|
Standard |
Class |
Grade |
Yield strength not less than (MPa) |
Tensile strength (MPa) |
Elongation(%) |
Y.S/T.S |
|
|
API SPEC 5L ISO 3183 |
PLS1 |
L245B |
min |
245 |
415 |
b |
- |
|
L290X42 |
min |
290 |
415 |
b |
- |
||
|
L320X46 |
min |
320 |
435 |
b |
- |
||
|
L360X52 |
min |
360 |
460 |
b |
- |
||
|
L390X56 |
min |
390 |
490 |
b |
- |
||
|
L415X60 |
min |
415 |
520 |
b |
- |
||
|
L450X60 |
min |
450 |
535 |
b |
- |
||
|
L485X70 |
min |
485 |
570 |
b |
- |
||
|
PLS2 |
L245N BN |
min |
245 |
415 |
b |
- |
|
|
L245M BM |
max |
450 |
760 |
b |
0.93 |
||
|
L290NX42N |
min |
290 |
415 |
b |
- |
||
|
L290MX42M |
max |
495 |
760 |
b |
0.93 |
||
|
L320NX46N |
min |
320 |
435 |
b |
- |
||
|
L320MX46M |
max |
525 |
760 |
b |
0.93 |
||
|
L360NX52N |
min |
360 |
460 |
b |
- |
||
|
L360MX52M |
max |
530 |
760 |
b |
0.93 |
||
|
L390NX56N |
min |
390 |
490 |
b |
- |
||
|
L390MX56M |
max |
545 |
760 |
b |
0.93 |
||
|
L415NX60N |
min |
415 |
520 |
b |
- |
||
|
L415MX60M |
max |
565 |
760 |
b |
0.93 |
||
|
L450MX65M |
min |
450 |
535 |
b |
- |
||
|
max |
600 |
760 |
b |
0.93 |
|||
|
L485MX70M |
min |
485 |
570 |
b |
- |
||
|
max |
635 |
760 |
b |
0.93 |
|||
|
L555MX80M |
min |
555 |
625 |
b |
- |
||
|
max |
705 |
825 |
b |
0.93 |
Gas Line Pipe Toughness:
|
Standard |
Grade |
Transverse minimum impact of Pipe body |
Transverse minimum impact of weld (J) |
|||||
|
(J) |
||||||||
|
D=508 |
508mm<D=762mm |
762mm<D=914mm |
914mm<D=1219mm |
1219mm<D=1422mm |
D<1422mm |
D=1422mm |
||
|
API SPEC 5L |
=L415×60 |
27(20) |
27(20) |
40(30) |
40(30) |
40(30) |
27(20) |
40(30) |
|
>L415×60 |
27(20) |
27(20) |
40(30) |
40(30) |
54(40) |
27(20) |
40(30) |
|
|
=L450×65 |
||||||||
|
>L450×65 |
27(20) |
27(20) |
40(30) |
40(30) |
54(40) |
27(20) |
40(30) |
|
|
=L485×70 |
||||||||
|
>L485×70 |
40(30) |
40(30) |
40(30) |
40(30) |
54(40) |
27(20) |
40(30) |
|
|
=L555×80 |
||||||||
Note:(1)The values in the table be suitable for the full size standard sample.
(2) The values inside bracket is the minimum single value, outside bracket is the average value.
(3) Test Temperature: 0°C.
GNEE API Linepipe
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