API 5L Grade B Pipe

API 5L Grade B pipe manufacturer in India
ISO Certified Manufacturer

API 5L Grade B Pipe is a high-quality carbon steel pipe widely used across industrial applications, particularly for transporting oil, gas, water, and other fluids. Supplied by Spark Steel, these pipes are available in various manufacturing forms, including seamless and welded options like ERW, LSAW, and SSAW.Depending on application needs, the pipes are manufactured to different specification levels (PSL1 and PSL2) and offer a wide range of sizes and thicknesses to handle diverse structural and pressure demands. To enhance durability and performance in challenging environments, value-added services such as galvanizing, heat treatment, bending, sandblasting, and specialized epoxy coatings like 3LPE are also provided.

20+
Years of Experience
50+
Grades in Stock
1/8"–2–4"
Size Range
100%
Quality Tested

API 5L Grade B pipe specifications

API 5L Grade B pipe specifications

SPECIFICATIONDETAILS
Size1/2” to 60”
Specification levelPSL1 , PSL2, Sour Services
ThicknessSch 5 to Sch 160
Outer diametersSeamless : 1/2” to 24”, HSAW/SSAW : up to 100”, ERW : up to 24”, LSAW : 16” to 48”
FormSquare, Round, Rectangle
PackingBundled, Plastic Bags, Wooden Boxes
EndPlain , Beveled
Material gradeL245
GradeGrade B L245 (N, M, Q, R), Grade A L210
API 5L Grade B Pipe
API 5L Gr B Seamless pipe
API 5L Grade B ERW pipe
L245 pipe
API 5L Gr B pipe
API 5L gr.B welded pipe

API 5L Gr B seamless pipe length tolerances

API 5L Gr B seamless pipe length tolerances

Specified Outside Diameter D (in) Diameter Tolerance, inches d Out-of-Roundness Tolerance in
Pipes except the end a Pipes end a,b,c Pipes except the End a Pipes End a,b,c
SMLS Pipes Welded Pipes SMLS Pipes Welded Pipes
>24 to 56 +/- 0.01D +/- 0.005D but max of 0.160 +/- 0.079 +/- 0.063 0.015D for but max of 0.060 0.01D for but max of 0.500
For For
By agreement By agreement
for for
< 2.375 -0.031 to + 0.016 – 0.031 to + 0.016 0.048 0.036
>6.625 to 24.000 +/- 0.0075D +/- 0.0075D, but max of 0.125 +/- 0.005D, but max of 0.063 0.020D 0.015D
≥2.375 to 6.625 0.020D for 0.015D for
+/- 0.0075D – 0.016 to + 0.063
By agreement for By agreement for
>56 As agreed

API 5L Gr B seamless pipe length tolerances

Wall thickness Tolerances a
t inches inches
SMLS pipe b
> 0.157 to < 0.948 + 0.150t / – 0.125t
≤ 0.157 -1.2
≥ 0.984 + 0.146 or + 0.1t, whichever is the greater
– 0.120 or – 0.1t, whichever is the greater
Welded pipe c,d
> 0.197 to < 0.591 +/- 0.1t
≤ 0.197 +/- 0.020
≥ 0.591 +/- 0.060

API 5L Grade B pipe price

API 5L Grade B pipe price

Description Price in USD Price in Kilogram (INR)
18m API 5L Grade B Seamless Pipes $ 1.05 ₹ 90
Carbon Steel API 5L GR b PSL1 / PSL2 Pipe, Thickness: Sch 40, Size: 48" O.D $ 2.92 ₹ 250
Api 5l Pipe, Size: 2" to 40"nb $ 1.23 ₹ 105
Api 5l Gr B Pipes, Wall Thickness: 3.5 mm - 25 mm Size: 2 inch, $ 1.71 ₹ 146

L245 pipe grade

  • API 5L Grade B X42 pipe
  • API 5L Grade B X46 pipe
  • API 5L Grade B X52 pipe
  • API 5L Grade B X56 pipe
  • API 5L Grade B X60 pipe
  • API 5L Grade B X65 pipe
  • API 5L Grade B X70 pipe
  • API 5L Grade B X80 pipe
  • API 5L Grade B X100 pipe

API 5L Grade B galvanized pipe length

API 5L Grade B galvanized pipe length

Length Type Range (Feet) Range (Meters)
>Double Random Length (DRL) 36 – 42 ft 11 – 13 m
Single Random Length (SRL) 16 – 23 ft 5 – 7 m
Custom Lengths As per requirement As per requirement

API 5L Gr B psl1 lsaw pipe manufacturing process

API 5L Gr B psl1 lsaw pipe manufacturing process

API 5L Grade B carbon steel pipe standard

API 5L Grade B carbon steel pipe standard

API 5L L290 / X42 (PSL 1)
API 5L L245 / Gr. B (PSL 2)
API 5L L290 / Gr. B (PSL 2)
API 5L L245 / Gr. B (PSL 1)
API 5L L320 / X46 (PSL 2)
API 5L L320 / X46 (PSL 1)
 API 5L L450 / X65 (PSL 1)
API 5L L360 / X52 (PSL 1)
API 5L L415 / X60 (PSL 2)
API 5L L415 / X60 (PSL 1)
API 5L L360 / X52 (PSL 2)
API 5L L450 / X65 (PSL 2)
GOST 20295 PSL 1, API 5L, PSL 2
EN ISO 3183
Line Pipe
CSA Z 245.1
 L 245-L485 ( M, N, ME, NE)
Gr A, X70-(N, M)
K34 to K60 Gr 241-Gr 359

API 5L Grade B pipe schedule chart

API 5L Grade B pipe schedule chart

NPS
(in) 		OD
(in) 		SCH
SCH 10 SCH 20 SCH 30 SCH STD SCH 40 SCH 60 SCH XS SCH 80 SCH 100 SCH 120 SCH 140 SCH 160 SCH XXS
Wall Thickness (in)
2 2.375 0.154 0.154 0.218 0.218 0.344 0.436
2 1/2 2.875 0.203 0.203 0.276 0.276 0.375 0.552
3 3.500 0.216 0.216 0.300 0.300 0.438 0.600
3 1/2 4.000 0.226 0.226 0.318 0.318
4 4.500 0.237 0.237 0.337 0.337 0.438 0.531 0.674
5 5.563 0.258 0.258 0.375 0.375 0.500 0.625 0.750
6 6.625 0.280 0.280 0.432 0.432 0.562 0.719 0.864
1/8 0.405 0.068 0.068 0.095 0.095
1/4 0.540 0.088 0.088 0.119 0.119
3/8 0.675 0.091 0.091 0.126 0.126
1/2 0.840 0.109 0.109 0.147 0.147 0.187 0.294
3/4 1.050 0.113 0.113 0.154 0.154 0.219 0.308
1 1.315 0.133 0.133 0.179 0.179 0.250 0.358
1 1/4 1.660 0.140 0.140 0.191 0.191 0.250 0.382
1 1/2 1.900 0.145 0.145 0.200 0.200 0.281 0.400
8 8.625 0.250 0.277 0.322 0.322 0.406 0.500 0.500 0.594 0.719 0.812 0.906 0.875
10 10.750 0.250 0.307 0.365 0.365 0.500 0.500 0.594 0.719 0.844 1.000 1.125 1.000
12 12.750 0.250 0.330 0.375 0.406 0.562 0.500 0.688 0.844 1.000 1.125 1.312 1.000
14 14.000 0.250 0.312 0.375 0.375 0.438 0.594 0.500 0.750 0.938 1.094 1.250 1.406
16 16.000 0.250 0.312 0.375 0.375 0.500 0.656 0.500 0.844 1.031 1.219 1.438 1.594
18 18.000 0.250 0.312 0.438 0.375 0.562 0.750 0.500 0.938 1.156 1.375 1.562 1.781
20 20.000 0.250 0.375 0.500 0.375 0.594 0.812 0.500 1.031 1.281 1.500 1.750 1.969
22 22.000 0.250 0.375 0.500 0.375 0.875 0.500 1.125 1.375 1.625 1.875 2.125
24 24.000 0.250 0.375 0.562 0.375 0.688 0.969 0.500 1.219 1.531 1.812 2.062 2.344
30 30.000 0.312 0.500 0.625 0.375 0.500
32 32.000 0.312 0.500 0.625 0.375 0.688
34 34.000 0.312 0.500 0.625 0.375 0.688
36 36.000 0.312 0.500 0.625 0.375 0.750
42 42.000 0.500 0.625 0.375 0.750

API 5L Gr B pipe dimensions

API 5L Gr B pipe dimensions

Nominal Pipes Size O/D Schedule 30 Schedule STD Schedule 40 Schedule 60 Schedule 10 Schedule 20 Schedule Extra Strong (XS) Schedule 80 Schedule 140 Schedule 160 Schedule 100 Schedule 120 Schedule Double Extra Strong (XXS)
mm inch Mm mm Kg/m Wall wt. Wall wt. Wall wt. mm Kg/m mm Kg/m Wall wt. Wall wt. Wall wt. Wall wt. Wall wt. Wall wt. Wall wt.
32 1.1/4 42.2 3.56 3.39 3.56 3.39 4.85 4.47 4.85 4.47 6.4 5.61 9.7 7.77
40 1.1/2 48.3 3.68 4.05 3.68 4.05 5.08 5.41 5.08 5.41 7.14 7.25 10.2 9.56
50 2 60.3 3.9 5.44 3.9 5.44 5.5 7.48 5.5 7.48 8.7 11.11 11.1 13.4
65 2.1/2 73/0 5.16 8.63 5.16 8.63 7.0 11.41 7.0 11.41 9.5 14.92 14.0 20.4
80 3 88.9 5.5 11.3 5.5 11.3 7.62 15.3 7.14 15.3 11.13 21.35 15.24 27.7
90 3.1/2 101.6 5.74 13.57 5.74 13.57 8.08 18.63 8.08 18.63 16.2 34.1
100 4 114.3 6.02 16.07 6.02 16.07 8.56 22.3 8.56 22.3 13.5 33.5 11.13 11.13 28.32 17.12 41.03
125 5 141.3 6.55 21.77 6.55 21.77 9.53 30.9 9.53 30.9
150 6 168.3 7.11 28.26 7.11 28.26 10.97 42.5 10.9 42.5 18.3 67.5 14.3 14.3 54.2 21.95 79.22
350 14 355.6 9.53 81.3 9.53 81.3 11.13 94.6 15.1 126.4 6.35 54.6 7.92 68.1 12.7 107.0 19.0 158.0 31.8 253.5 36.7 281 23.8 195.0 27.8 224.0
400 16 406.4 9.5 93.3 9.53 93.3 12.7 123.0 16.7 160.0 6.35 62.6 7.92 77.9 12.7 123.0 21.44 203.0 36.53 333 40.5 366.0 26.2 245.0 30.9 286.0
z3 1/8 10.3 1.73 0.37 1.73 0.37 2.41 0.47 2.41 0.47
6 1/4 13.7 2.24 0.63 2.24 0.63 3.02 0.80 3.02 0.80
10 3/8 17.1 2.31 0.84 2.31 0.84 3.20 1.10 3.20 1.10
15 1/2 21.3 2.77 1.27 2.77 1.27 3.73 1.62 3.73 1.62 4.78 1.95 7.5 2.55
20 3/4 26.7 2.87 1.69 2.87 1.69 3.91 2.20 3.91 2.20 5.6 2.90 7.82 3.64
25 1 33.4 3.38 2.50 3.38 2.50 4.55 3.24 4.55 3.24 6.4 4.24 9.0 5.45
200 8 219.1 7.0 36.8 8.2 42.5 8.2 42.5 10.3 53.1 6.35 33.3 12.7 64.6 12.7 64.5 20.6 100.9 23.0 111.27 15.1 75.92 18.3 90.4 22.23 108.0
250 10 273.0 7.8 51.3 9.27 60.3 9.27 60.3 12.7 81.5 6.35 41.7 12.7 81.5 15.1 96.0 25.4 155 28.6 172.3 18.3 114.7 21.44 133.0 25.4 155.0
300 12 323.8 8.4 65.2 9.53 73.8 10.3 79.7 14.3 109.0 6.35 49.7 12.7 97.4 17.4 132.0 28.6 208 33.3 238.7 21.4 160.0 25.4 187.0 25.4 187.0
450 18 457.2 11.1 122.0 9.53 105.0 14.3 156.0 19.0c 206.0 6.35 70.5 7.92 87.7 12.7 130.0 23.8 254.0 39.7 408.3 45.2 459.0 21.4 310.0 34.0 363.0
500 20 508.0 12.7 155.1 9.53 117.2 15.1 183.0 20.6 248.0 6.35 78.5 9.53 117.2 12.7 155.1 26.2 311.0 44.4 508 50.0 564.0 32.5 381.0 38.1 441.0
550 22 558.8 12.7 171.0 9.53 129.0 22.2 294.0 6.35 86.4 9.53 129.0 12.7 171.0 28.6 373.0 47.6 600 54.0 672.0 34.0 451.0 41.3 526.0
600 24 600.5 14.3 210.0 9.53 141.0 17.4 255.0 24.5 355.0 6.35 94.5 9.53 141.0 12.87 187.0 30.9 442.0 52.4 720 59.5 808.0 38.8 547.7 46.0 640.0

API 5L Grade B pipe sizes

API 5L Grade B pipe sizes

TYPE Thk. O.D.
LSAW 3 - 25mm 219 - 3120mm
SSAW 3 - 25mm 16 - 64 inch
SEAMLESS 1.25 - 50mm 1/4 - 36 inch

API 5L Grade B erw pipe roughness

API 5L Grade B erw pipe roughness

condition Roughness in inch Roughness in mm
used, and cleaned 00.006 - 0.008 00.15 - 0.2
lightly corroded 00.004 - 0.016 00.1 - 0.4
bitumed coated 00.002 00.05
drawn, and new 00.0008 - 0.004 00.02 - 0.1
welded, and new 00.002 - 0.004 00.05 - 0.1
heavy scaling 00.06 - 0.16 1.5 - 4
galvanized, and new 00.006 00.15
severely corroded 00.016 - 0.12 00.4 - 3
light scaling 00.04 - 0.06 1 - 1.5

API 5L Gr B psl2 dsaw pipe value added services

  • Bending
  • Machining
  • Annealed
  • Heat Treatment
  • Tar Epoxy
  • Fusion Bond Epoxy
  • ARO
  • 3LPE
  • Galvanizing
  • Sand Blasting

API 5L Grade B welded pipe hardness

API 5L Grade B welded pipe hardness

Hardness Scale Typical Value
Rockwell Hardness (HRB) ≤ 72
Brinell Hardness (HBW) ≤ 250
Vickers Hardness (HV10) ≤ 238

API 5L Grade B pipe weight chart

API 5L Grade B pipe weight chart

NPS Wall Thickness Weight Outside Diameter Weight
inch milimeter Schedule kilogram/Meter inch milimeter Lb/foot
4″ 0.0237 6.0020 16.0073 4.0500 114 10.0790
0.0337 8.0560 22.0318 14.0983
6″ 0.0188 4.0775 19.0252 6.0625 168 12.0924
0.0203 5.0516 20.0739 13.0923
0.0219 5.0563 22.0318 14.0983
0.0250 6.0350 25.0354 17.0021
0.0280 7.0112 40 STD 58.0263 18.0974
0.0312 7.0925 31.0334 21.0036
0.0375 9.0525 37.0285 25.0031
0.0432 10.0973 80 XHY 42.0561 28.0573
0.0500 12.0700 48.0719 32.0708
1/2″ 0.0109 2.0769 40 STD 1.0268 0.0840 21 0.0851
0.0147 3.0734 80 STD 1.0621 1.0088
3/4″ 0.0113 2.0870 40 STD 1.0684 1.0050 27 1.0131
0.0154 3.0912 80 STD 2.0195 1.0474
1″ 0.0133 3.0378 40 STD 2.0501 1.0315 33 1.0679
0.0179 4.0547 80 STD 3.0325 2.0172
1 1/4″ 0.0140 3.0556 40 STD 3.0385 1.0660 42 2.0273
0.0191 4.0851 80 STD 4.0464 2.0997
1 1/2″ 0.0145 3.0683 40 STD 4.0048 1.0900 48 2.0718
0.0200 5.0080 80 STD 5.0409 3.0361
2″ 0.0154 3.0912 40 STD 5.0441 2.0375 60 3.0653
0.0218 5.0537 80 STD 7.0480 5.0022
2 1/2″ 0.0203 5.0516 40 STD 8.0629 2.0875 73 5.0793
0.0276 7.0010 80 STD 11.0411 7.0661
3″ 0.0216 5.0486 40 STD 11.0284 3.0500 89 7.0576
0.0300 7.0620 80 STD 15.0272 10.0253
8″ 0.0188 4.0775 25.0233 8.0625 219 16.0940
0.0203 5.0156 27.0198 18.0259
0.0219 5.0563 29.0286 19.0661
0.0250 6.0350 20 33.0308 22.0361
0.0277 7.0036 30 36.0786 24.0696
0.0322 8.0179 40 42.0352 28.0554
0.0375 9.0525 49.0216 33.0041
0.0406 10.0312 60 53.0085 35.0638
0.0500 12.0700 80 XHY 64.0627 43.0388
10″ 0.0188 4.0775 31.0588 10.0750 273 21.0207
0.0219 5.0563 36.0689 24.0631
0.0250 6.0350 20 41.0759 28.0035
0.0307 7.0798 30 51.0002 34.0240
0.0344 8.0738 56.0946 38.0231
0.0365 9.0271 40 STD 63.0301 40.0483
0.0438 11.0125 71.0852 48.0238
0.0500 12.0700 60 XHY 81.0530 54.0735
0.0594 15.0088 80 95.0969 64.0429
12″ 0.0188 4.0775 37.0570 12.0750 324 25.0222
0.0219 5.0563 43.0657 29.0309
0.0250 6.0350 49.0713 33.0375
0.0281 7.0137 55.0739 37.0420
0.0312 7.0925 61.0735 41.0445
0.0375 9.0525 73.0824 49.0562
0.0406 10.0312 79.0727 53.0525
0.0500 12.0700 97.0438 65.0415
0.0562 14.0275 108.0966 73.0154
14″ 0.0188 4.0775 41.0308 14.0000 356 27.0732
0.0219 5.0563 48.0012 32.0233
0.0250 6.0350 20 54.0685 36.0713
0.0281 7.0137 61.0327 41.0172
0.0312 7.0925 67.0939 45.0611
0.0375 9.0525 STD 81.0281 54.0568
0.0438 11.0125 40 94.0498 63.0441
0.0500 12.0700 XHY 107.0381 72.0090
0.0625 15.0875 132.0983 89.0278
16” 0.0188 4.0775 47.0290 16.0000 406 21.0748
0.0219 5.0563 54.0980 36.0910
0.0250 6.0350 10 62.0639 42.0053
0.0281 7.0137 70.0268 47.0174
0.0312 7.0925 20 77.0866 52.0275
0.0344 8.0738 85.0677 57.0519
0.0375 9.0525

30

STD

 93.0213 62.0578
0.0438 11.0125 108.0433 72.0797
0.0500 12.0700

40

XHY

 123.0289 82.0770
18″ 0.0219 5.0563 61.0948 18.0000 457 41.0588
0.0250 6.0350 70.0593 47.0393
0.0281 7.0137 79.0208 53.0176
0.0312 7.0925 20 87.0792 58.0939
0.0375 9.0525 STD 105.0144 70.0588
0.0438 11.0125 30 122.0369 82.0152
0.0500 12.0700 XHY 139.0198 93.0450
0.0562 14.0275 40 155.0904 104.0666
0.0625 15.0875 172.0754 115.0978
20″ 0.0250 6.0350 78.0547 20.0000 508 52.0733
0.0282 7.0163 88.0458 59.0386
0.0312 7.0925 97.0719 65.0604
0.0375 9.0525 20 STD 117.0075 78.0598
0.0438 11.0125 136.0305 91.0508
0.0500 12.0700 30 XHY 155.0106 104.0130
0.0594 15.0088 40 183.0378 123.0110
0.0625 15.0875 192.0640 129.0328
0.0688 17.0475 211.0368 141.0901
30″ 0.0250 6.0350 118.0318 30.0000 762 79.0433
0.0281 7.0137 132.0851 89.0189
0.0312 7.0925 10 147.0353 98.0925
0.0375 9.0525 STD 176.0731 118.0648
0.0438 11.0125 205.0983 138.0286
0.0500 12.0700 20 XHY 234.0647 157.0530
0.0625 15.0875 30 292.0066 196.0078
0.0688 17.0475 320.0817 215.0380
0.0750 19.0050 348.0988 234.0293
24″ 0.0250 6.0350 94.0456 24.0000 610 63.0413
0.0281 7.0137 106.0029 71.0183
0.0312 7.0925 117.0573 18.0932
0.0375 9.0525 20 STD 140.0938 64.0618
0.0438 11.0125 164.0176 110.0219
0.0500 12.0700 XHY 186.0923 125.0490
0.0625 15.0875 232.0410 156.0028
0.0688 17.0475 40 255.0148 171.0293
0.0750 19.0050 277.0401 186.0233
36″ 0.0250 6.0350 142.0180 36.0000 914 95.0453
0.0281 7.0137 159.0672 107.0196
0.0312 7.0925 10 177.0133 118.0918
0.0375 9.0525 STD 215.0525 142.0678
0.0438 11.0125 247.0790 166.0353
0.0500 12.0700 20 XHY 282.0372 198.0570
0.0625 15.0875 351.0723 236.0128

0.0688

 17.0475 386.0487 259.0467

0.0750

 19.0050 420.0576 282.0353
42″ 0.0312 7.0925 206.0914 42.0000 1067 138.0911
0.0375 9.0525 STD 248.0319 166.0708
0.0500 12.0700 XHY 33.0097 221.0610
0.0750 19.0050 492.0163 330.0413
48″ 0.0375 9.0525 STD 284.0112 48.0000 1219 190.0738
0.0438 11.0125 331.0404 222.0487
0.0500 12.0700 XHY 377.0822 253.0650
0.0750 19.0050 563.0750 378.0473
0.0875 22.0225 655.0969 440.0383

API 5L Grade B psl1 vs psl2

API 5L Grade B psl1 vs psl2

Parameter PSL2 (Product Specification Level 2) PSL1 (Product Specification Level 1)
Manufacturing Process Seamless (SMLS), LSAW, ERW, SSAW Seamless (SMLS),LSAW, ERW, SSAW
Carbon Content (%) ≤ 0.22 (for seamless), ≤ 0.12 (for welded) ≤ 0.26 (for seamless), ≤ 0.22 (for welded)
Phosphorus (P) & Sulfur (S) (%) P ≤ 0.025, S ≤ 0.015 P ≤ 0.030, S ≤ 0.030
Manganese (Mn) Content (%) 0.90 – 1.40 ≤ 1.20
Yield Strength (MPa) 245 – 450 245 min
Charpy V-Notch Impact Test Mandatory (-30°C for welded pipes) Not Required
Tensile Strength (MPa) 415 – 760 415 min
Non-Destructive Testing (NDT) Mandatory for welded pipes Not Mandatory

API 5L Gr B mechanical properties

API 5L Gr B mechanical properties

Pipes Grade Tensile Properties – Pipes Body of SMLS and Welded Pipes PSL 1 Seam of Welded Pipes
Yield Strength a Tensile Strength a Elongation Tensile Strength b
Rt0,5 PSI Min Rm PSI Min (in 2in Af % min) Rm PSI Min
X56 56,600 71,100 c 71,100
X60 60,200 75,400 c 75,400
A 30,500 48,600 c 48,600
B 35,500 60,200 c 60,200
X42 42,100 60,200 c 60,200
X46 46,400 63,100 c 63,100
X52 52,200 66,700 c 66,700
X65 65,300 77,500 c 77,500
X70 70,300 82,700 c 82,700

API 5L Grade B chemical composition

API 5L Grade B chemical composition

Chemical Composition of API 5L Grade B PSL1 Pipe PSL2
Grade P (Max) Mn (Max.) C (Max) C (Max) S (Max) P (Max) Mn (Max) S (Max)
X52 0.003 1.040 0.026 0.022 0.003 0.0025 1.040 0.0015
X56 0.003 1.040 0.026 0.022 0.003 0.0025 1.040 0.0015
A 0.003 0.090 0.022 0.022 0.003 0.0025 1.020 0.0015
B 0.003 1.020 0.026 0.022 0.003 0.0025 1.030 0.0015
X42 0.003 1.030 0.026 0.022 0.003 0.0025 1.040 0.0015
X46 0.003 1.040 0.026 0.022 0.003 0.0025 1.040 0.0015
X60 0.003 1.040 0.026 0.022 0.003 0.0025 1.045 0.0015
X65 0.003 1.045 0.026 0.022 0.003 0.0025 1.065 0.0015
X70 0.003 1.065 0.026 0.022 0.003 0.0025 1.085 0.0015

API 5L Gr B equivalent

API 5L Gr B equivalent

Standard WELDED SEAMLESS Other standards
API 5L Gr B PSL1 Equivalent EN 10217-1 P265 EN 10216-1 P265 BS 3601 430
API 5L Grade B PSL2 Equivalent EN 10217-1 P265 EN 10216-1 P265 BS 3601 430

API 5L Grade B pipe wall thickness table

API 5L Grade B pipe wall thickness table

NPS (inches) OD (mm) Schedule 40 (mm) Schedule 10 (mm) Schedule 20 (mm) Schedule 160 (mm) Schedule 80 (mm) XXS (mm)
4" 114.3 6.02 3.05 6.02 13.49 8.56 18.26
6" 168.3 7.11 3.40 7.11 18.26 10.97 24.61
8" 219.1 8.18 3.76 8.18 23.01 12.70 30.96
10" 273.0 9.27 4.19 9.27 28.58 15.09 38.10
1/2" 21.3 2.77 2.11 2.77 4.78 3.73 7.47
3/4" 26.7 2.87 2.11 2.87 5.56 3.91 7.82
1" 33.4 3.38 2.77 3.38 6.35 4.55 9.09
1 1/2" 48.3 3.68 2.77 3.68 7.14 5.08 10.15
2" 60.3 3.91 2.77 3.91 8.74 5.54 11.07
3" 88.9 5.49 3.05 5.49 11.13 7.62 15.24
12" 323.9 10.31 4.57 10.31 33.32 17.48 45.24
14" 355.6 11.13 4.78 11.13 35.71 19.05 50.80
16" 406.4 12.70 4.78 12.70 40.49 21.44 57.15
18" 457.2 14.27 4.78 14.27 45.24 23.83 63.50
20" 508.0 15.09 5.54 15.09 50.01 26.19 69.85

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