3LPE Coated Pipes

3LPE Coated Pipes

3LPE Coated API 5L Grade B Seamless Pipe as Per CSA Z245.20/25 Standard

3LPE Coated Pipes

Table of contents

3LPE Coated Pipes Specifications
OD 219 ~ 2020 MM
Size 25 MM to 3000 MM
Wall Thickness 5 ~ 25 MM
LENGTH 4M, 6M, 12M, 18M, 21M
Standard
  • DIN 30670
  • CSA Z245.21
  • CSA Z245.20
  • ISO 21809-1
Operating Temprature -40 °C to 80 °C
Coating FBE / Fusion Bonded Epoxy
MTC MTC EN 10204 3.1 & 3.2
End Types Threaded, Plain, Beveled
Length Single / Double Rando / Cut length Pipe / Standard
Internal coating Spray Epoxy Paint

Thickness Range of Medium-density Polyethylene Coating (MDPE)

M kg/m Layer Thick in (MM)
Class C3 Class C2 Class C1 Class A3 Class A2 Class A1 Class B3 Class B2 Class B1
50 < M ≤ 130 2,8 2,3 1,8 3,5 2,8 2,4 3,1 2,5 1,8
300 < M 3,8 3,0 2,5 4,7 3,8 3,2 4,2 3,3 2,5
M ≤ 15 2,1 1,7 1,3 2,6 2,1 1,8 2,3 1,8 1,3
130 < M ≤ 300 3,2 2,5 2,2 3,9 3,2 2,6 3,5 2,8 2,2
15 < M ≤ 50 2,4 1,9 1,5 3,0 2,4 2,0 2,7 2,1 1,5

IS 3589 and IS 3531 3LPE Coated Mild Steel Pipes

3LPE Coated Mild Steel Pipes
3LPE Coated Mild Steel Pipes
3LPE Coating
3LPE Coating
3LPE Coated Seamless Steel Pipes
3LPE Coated Seamless Steel Pipes

DIN 30670 Oil and Gas Line Pipes
DIN 30670 Oil and Gas Line Pipes
3LPE Coated Line Pipe
3LPE Coated Line Pipe
3LPE Multi-Layer Polyethylene Coated Pipe
3LPE Multi-Layer Polyethylene Coated Pipe

DIN 30670 External Coating Steel Pipe
DIN 30670 External Coating Steel Pipe
3LPE Lined Steel Pipe
3LPE Lined Steel Pipe
DIN 30670 Polyethylene Coating Steel Pipe
DIN 30670 Polyethylene Coating Steel Pipe

3LPE Carbon Steel Pipe
3LPE Carbon Steel Pipe
Three Layer Polyethylene (3LPE) Coated Line Pipe
Three Layer Polyethylene (3LPE) Coated Line Pipe

Nickel Alloy Based 3 Layer Polyethylene Coating
Example No. Rc / Ω
120 h 48 h 1 h
Ni 1688 1978 3730
4 1710 4656 5341
7 1131 3409 3935
1 1171 1632 3967
6 5602 4266 7188
2 654 1962 3893
5 3823 6897 5153
3 261 1984 3915

Minimum Thickness of DIN 30670 Oil and Gas Line Pipes
Sizes of Pipes (Specific OD) Min Coating Thick Chart in (MM)
> 12 3 /4” ( 323.9 mm) to ≤ 18” (457 mm) 2.8
> 32" (813.0 mm) 3.3
≤ 10 3 /4” (273.1 mm) 2.5
> 20" (508.0 mm) to ≤ 30" (762 mm) 3.0

3LPE Coated Seamless Steel Pipes Temperature Type N and S
Types Temperature of Design (°C)
S -40 to + 80
N -20 to + 60

External Coating of 3LPE Carbon Steel Pipe
Coating Type Coating Standard
Single Layer (FBE) SY/T 0315-2005, CAN/CSA Z245.20-2010,
DEP 31.40.30.32-Gen-2011, ISO     21809-2-2007, API RP 5L9-2001  
Double Layer (FBE) CAN/CSA Z245.20-2010, Q/enPC 38-2002
3LPE/3LPP Coating SY/T 0413-2002, CAN/CSA Z245.21-2010, DIN 30670-1991, GB/T 23257-2009.
2LPE/2LPP Coating SY/T 0413-2002, ISO 21809-1-2009, GB/T 23257-2009.
ISO 21809-1-2009, NF A49-711-1992, NF     A49-710-1988  
Bitumen Coating BS 534-1990
Insulation Coating SY/T 0415-1996, EN 253-1994, CJ/T 114-2000.
Concrete Weight Coating Q／HS 3017—2008

3LPE Lined Steel Pipe Internal Coating
Type of Coating Coating Standard
Bitumen Coating BS 534-1990
Internal Liquid Epoxy Coating DEP 31.40.30.35-Gen-2005, API RP 5L2-2002
Internal Cement Lining AWWA C205-2000, BS 534-1990
Single Layer FBE API RP 5L7-1988

Advantages of 3LPE Coating
  • Permeability Resistanc
  • Long Service Life
  • Simple Construction
  • Good Corrosion Resistance
  • Good Impact Resistance
  • Low Temperature Performance
  • Mechanical Damage Resistance
  • Good Sealing

Coating Process of 3LPE Coated Pipes

Coating Process of 3LPE Coated Pipes


Pressure Rating of DIN 30670 Polyethylene Coating Steel Pipe
NPS in
(MM)		 SCH No. W.T.
(MM)		 Temp  (oC)
450 -29 – 38 350 4301) 205 400 260 370
Max Allowable Stress in (MPa)
59.9 137.8 117.1 74.4 137.8 89.6 130.2 115.7
80 XXS 15.24 20436 46976 39928 25369 46976 30536 44392 39459
STD 40 5.49 6766 15558 13222 8399 15558 10108 14969 13063
160 11.13 14386 33079 28111 17859 33079 21497 31253 27780
XS 80 7.62 9563 21986 18693 11871 21968 14290 20780 18472
25 160 6.35 22827 52481 44606 28339 52481 34112 49594 44082
STD 40 3.38 11417 26251 22310 14173 26251 17060 24804 22048
XXS 9.09 33506 77030 65476 41595 77030 50070 72793 64704
XS 80 4.55 15785 36283 30862 19595 36283 23584 34285 30474
350 60 15.09 4589 10541 8964 5691 10541 6855 9963 8861
160 35.71 11334 26051 22144 14069 26051 16936 24618 21883
10 6.35 1895 4361 3707 2356 4361 2831 4120 3665
140 31.75 9990 22964 19519 12402 22964 14931 21703 19292
20 7.92 2377 5457 4644 2949 5457 3548 5161 4589
120 27.79 8675 19933 16943 10762 19933 12960 18837 16743
STD 30 9.53 2866 6580 5595 3555 6580 4279 6222 5533
100 23.83 7372 16949 14407 9157 16949 11017 16019 14242
40 11.13 3355 7717 6559 4168 7717 5016 7310 6477
80 19.05 5836 13421 11410 7248 13421 9723 12684 11272
XS 12.70 3845 8833 7510 4768 8833 5739 8351 7421
15 XXS 7.47 42739 98245 83507 53053 98245 63857 92836 82522
STD 40 2.77 14972 34416 29255 18589 34416 22372 32528 28910
160 4.78 27333 62830 53404 33929 62830 40837 59378 52777
XS 80 3.73 20918 48092 40878 25969 48092 31260 45466 40396
32 XXS 9.70 28097 64601 54906 34884 64601 41988 61045 54266
STD 40 3.56 9404 21614 18369 11672 21614 14049 20421 18155
160 6.35 17659 40596 34505 21924 40596 26389 38364 34099
XS 80 4.85 13125 30178 25651 16295 30178 19616 28518 25348
300 30 8.38 2763 6359 5402 3431 6359 4134 6008 5540
20 6.35 2088 4795 4072 2591 4795 3114 4534 4024
40 10.31 3417 7854 6676 4244 7854 5015 7421 6601
STD 9.53 3149 7241 6153 3914 7241 4706 6842 6084
XS 12.70 4230 9722 8268 5250 9722 6318 9191 8165
100 21.44 7283 16736 14227 9040 16736 10879 15819 14062
80 17.48 5884 13525 11492 7303 13525 8792 12850 11362
60 14.27 4768 10969 9322 5925 10969 7131 10363 9212
XXS 120 25.4 8702 20015 17011 10804 20015 13008 18913 16811
160 33.32 11630 26740 22730 14441 26740 17383 25273 22461
140 28.58 9866 22682 19278 12244 22682 14744 21435 19051
20 XXS 7.82 36152 83107 70643 44881 83107 54024 78539 69809
STD 40 2.87 12209 28070 23860 15158 28070 18245 26526 23578
160 5.56 25293 58152 49429 31398 58152 37799 54955 48843
XS 80 3.91 17142 39418 33506 21283 39418 25617 37247 33106
250 160 28.58 11844 27229 23143 14703 27229 17700 25734 22875
XS 60 12.7 5043 11596 9853 6263 11596 7538 10955 9736
20 6.35 2480 5698 4844 3080 5698 3707 5388 4789
80 15.09 6028 13863 11781 7483 13863 9012 13098 11644
XXS 140 25.4 10438 23998 20394 12960 23998 15599 16474 20153
30 7.8 3059 7028 5974 3796 7028 4568 6642 5905
120 21.44 8716 20036 17032 10817 20036 13022 18934 16825
STD 40 9.27 3652 8385 7131 4527 8385 5450 7923 7048
100 18.26 7359 16922 14386 9136 16922 10996 15992 14214

3LPE Coated Pipes HSN Code
Material HSN Code
3LPE Coated Pipes 73051121 or 73051129

Surface Coating of 3LPE Carbon Steel Pipe

Three Layers of Coating for 3LPE Coated Pipe

PROPERTY & CAPABILITY 3LPE
Min Recommended Handling & Construction Temp -40 (°C)
Bendability Yes
Min Pipe Diameter 51 MM (2")
Max Recommended Operating Temp 85 (°C)
Max Pipe Diameter 1220 MM + (48")+

3LPE Coated Seamless Steel Pipes Weight
NPS WEIGHT PER FOOT O.D. INSIDE DIA W.T.  SCH NO  
34" 179.058 34.000 33.000 0.500 20 XHY
16" 42.092 16.000 15.500 0.250 10  
3/8" 0.568 0.675 0.493 0.091 40 STD
32" 230.291 32.000 30.624 0.688 40  
3/4" 1.132 1.050 0.824 0.113 40 STD
32" 105.688 32.000 31.376 0.312 10  
1" 2.174 1.315 0.957 0.179 80 XHY
30" 118.759 30.000 29.250 0.375   STD
1-1/4" 1.807 1.660 1.442 0.109 10  
18" 70.654 18.000 17.250 0.375   STD
14" 72.158 14.000 13.000 0.500   XHY
30" 99.018 30.000 29.376 0.312 10  
1-1/2" 3.635 1.900 1.500 0.200 80 XHY
28" 146.988 28.000 27.000 0.500 20 XHY
1-1/2" 4.863 1.900 1.338 0.281 160  
28" 110.742 28.000 27.250 0.375   STD
2" 2.640 2.375 2.157 0.109 10  
26" 136.298 26.000 25.000 0.500 20 XHY
2-1/2" 5.798 2.875 2.469 0.203 40 STD
26" 102.724 26.000 25.250 0.375   STD
20" 52.782 20.000 19.500 0.250    
3" 7.583 3.500 3.068 0.216 40 STD
24" 125.608 24.000 23.000 0.500   XHY
4" 10.800 4.500 4.026 0.237 40 STD
18" 93.538 18.000 17.000 0.500   XHY
24" 94.707 24.000 23.250 0.375 20 STD
14" 36.747 14.000 13.500 0.250 10  
6" 28.600 6.625 5.761 0.432 80 XHY
22" 114.918 22.000 21.000 0.500 30 XHY
8" 16.956 8.625 8.249 0.188    
22" 86.689 22.000 21.250 0.375 20 STD
10" 64.489 10.750 9.562 0.594 80  
20" 209.065 20.000 17.938 1.031 80  
12" 29.336 12.750 12.312 0.219    
20" 78.672 20.000 19.250 0.375 20 STD
12" 88.713 12.750 11.374 0.688 80  

Value Added Services of 3LPE Carbon Steel Pipe
  • Mechanical Rough Machining
  • Carburizing
  • Recrystallization Annealing
  • Annealing
  • Cold Extrusion Molding
  • Forging Mold Blank
  • Mechanical Finishing

Applications of 3LPE Coated Pipes

Applications of 3LPE Coated Pipes


Impact Strength of 3LPE Lined Steel Pipe
Impact Strength
NPS (DN) Ø
From 200 1,0
65 To Below 200 0,85
Less Than 65 0,70

3LPE Coated Pipes Mechanical Properties
Grade Rm Tensile Strength (Mpa) Yield Strength Point in (Mpa) A Elongation Delivery Condition
B ≥415 Mpa ≥240 Mpa 20 % Annealed
C ≥485 Mpa ≥275 Mpa
A ≥330 Mpa ≥205 Mpa

Characteristics of Three Layer Polyethylene (3LPE) Coated Line Pipe
  • High Strength
  • Durability and Longevity
  • Temperature Resistance
  • Good Resistance to Corrosion and Impact Resistance
  • High Tightness
  • Corrosion Resistance
  • Chemical Resistance
  • Low Frictional Coefficient
Three Layer Polyethylene (3LPE) Coated Line Pipe Characteristics

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