api_5l.pdf

SEAMLESS PIPES FOR OIL PIPELINES AND GAS GAS PIPELINES API 5L APPLICATION Oil and natural gas industries EXECUTION ! Seamless type “S” ! Welded “ERW” and “SAW” GRADE B/X42/X52/L245/L290/L360 TOLERANCES WALL THICKNESS “t” NOMINAL THICKNESS NON WELDED PIPES (2)(mm)

TOLERANCES

+0,15 t / -0,125 t +3,7 / -3,0 or +0,1 t / -0,1 t

“t” NOMINAL THICKNESS WELDED PIPES PIPES (4) (mm)

(3),

TOLERANCES

= (mm)

+/- 0,1 t +/- 1,5

t " 15

"C$ "H$

(1)

+/- 0,5

t ! 5 5 < t < 15

"?$

= (mm)

+0,6 / -0,5

t ! 4 4 < t < 25 t " 25

"#$

(1)

%& () *+,-+ ./ 0*)&.+1-, 2.34 34- 1.).151 (66*2(76- 2(66 34.08)-// 3*6-+()0- (/ 9-+ 34- (7*:- 3(76-; 34- 4.E 11 (), ( 2(66 34.08)-// B ?D 11; ( 3*6-+()0- *& F>FD 3 1(= 7- (,,-, &*+ ( /9-0.&.0 9*.)3 .& 34- 1(A.151 3*6-+()0- 4(/ )*3 7--) +-(04-,> G4- 4. I)= &5+34-+ +-/3+.03.*)/ (+- 34*/- ,-&.)-, .) 34- /3(),(+,>

EXTERNAL DIAMETER Tolerance of external diameter “D”(mm) D > 60,3 60,3 ! D ! 168,3 168,3 < D ! 610 610 < D ! 1422 D >1422

PIPE BODY

(mm)

PIPE END

,

,

 (mm)

SEAMLESS WELDED SEAMLESS WELDED - 0,8 / + 0,4 -0,4 / +1,6 +/- 0,0075 D +/- 0,0075 D +/- 0,0075 D +/- 0,005 D MAX +/- 1,6 MAX +/- 3,2 +/- 0,01 D +/- 0,005 D +/- 2,0 +/- 1,6 MAX +/- 4 As per agreement

OVALIZATION “D” DIAMETERS (mm) D > 60,3 60,3 ! D ! 168,3 168,3 < D ! 610 610 < D ! 1422

D >1422 (1) (2)

(3)

PIPE BODY

(1)

 (mm)

PIPE END

(1),(2),(3)

  (mm)

Within the diameter tolerance tolerances s 0,020 D 0,015 D with MAX 15mm for D/t ! 75

0,015 D

 As agreed for D/t >75

0,01 D with MAX 13 mm for D/t ! 75 As per diameter tolerances

 As agreed for D/t > 75

The pipe “end” is considered the part of a 100 mm length from each tube extremity. For seamless pipes, the tolerances applied for t ! 25 and those applied to greater thicknesses must be agreed upon. For pipes with D " 219.1 mm, the diameter and ovality tolerances can be determined using the following formula: Di = D — 2t Di: Internal diameter D: External diameter t: Nominal wall thickness or by measuring the internal rather than the external diameter

MASS The mass per unit length kg/m is calculated using the following formula: M=t(D - t) x C LEGEND: M = Mass per unit length (kg/m) t: Nominal wall thickness (mm) D: External diameter (mm) C: 0,0246615 The mass tolerance for each pipe must not differ from the nominal mass of +10% / - 3.5%; any further restrictions are those defined in the standard.

STRAIGHTNESS The permissible deviation on the total length of each pipe must be ! 0.2 % L (single pipe length). length). The maximum permissable deviation in relation to a 1-m etre pipe section must be ! 4 mm.

MARKING Identification plate attached to the pipe bundle for D ! 48.3 mm, and with markings painted on one end for D> 48.3 mm, containing the following information: - Name or trademark trademark of the the manufacturer manufacturer - Diameter and wall thickness - Grade - PSL1 or PSL2 - Reproduction process - Length - Heat number - Any additional requirements

CERTIFICATION UNI EN 10204 SIZE RANGE  ASME B 36.10