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Seamless steel pipe sizes, Seamless steel pipe dimensions, Seamless pipe specification chart

Company News

Seamless steel pipe sizes, Seamless steel pipe dimensions, Seamless pipe specification chart
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Seamless Steel Pipe Sizes

Date:2021-07-01View:13896Tags:Seamless steel pipe sizes, Seamless steel pipe dimensions, Seamless pipe specification chart

Seamless Steel Pipe sizes in mm: 

Seamless steel pipe outer diameter: 1/2 inch - 36 inch (21.3mm-914.4mm)

Seamless steel pipe thickness: 2.11mm-60mm ( SCH10, SCH20, SCH40, SCH80, STD, SCH120, SCH160, XXS)


Seamless Carbon Steel Pipe 
API 5L GR.B, X42,X52,X60,X65 PSL1 & PSL2
Seamless carbon steel pipe size range: 2" - 24"
Seamless carbon steel pipe schedules: STD,SCH100,SCH120,SCH160,XXH
utilized for the water and petroleum industry to transport liquids or as platforms on off-shore rigs.

ASTM A53 GR.B, ASTM A106 GR.B
Seamless carbon steel pipe Size range:  1/8" - 26"
Seamless carbon steel pipe Schedules: SCH20, SCH30, SCH40, STD, SCH100, SCH120,SCH160,XXH
utilized for services ranging from structural supports to steam drum headers with temperature ranges up to 800°F


Seamless Boiler Tube

Seamless boiler tube outer diameter (OD): 10.2 - 139.7 mm
(from 26.9 mm manufactured as hot rolled)
Seamless boiler tube wall thickness (WT): 0.5 - 16.0 mm
(from 2.6 mm manufactured as hot rolled)


Seamless Heat Exchanger Tube

Seamless heat exchanger tube outer diameter (OD): 6.00 - 101.00 mm
Seamless heat exchanger tube thickness: 0.85 - 12.7mm 
Seamless heat exchanger tube length: 1.0 - 27.0 MTR


Seamless Precision Tube
Seamless precision tube outer diameter (OD): 10 - 120 mm
Seamless precision tube wall thickness (WT): 0.5 - 5 mm
Seamless precision tube length: 4 - 8m


Seamless Hydraulic Tube
Seamless hydraulic tube outer diameter (OD): 4 - 130mm 
Seamless hydraulic tube material: E355 (ST52.4),E235 (ST37.4)
Seamless hydraulic tube standard: DIN 2391/C (DIN EN 10305-1),DIN 2445/2 (DIN EN 10305-4)
Seamless hydraulic tube finishing: NBK (Phosphate and Normalized)


Seamless pipe specification chart

NOMINAL  PIPE  SIZE OD(mm) NOMINAL WALL THICKNESS
DN NB(inch) ASME SCH10 SCH20 SCH30 STD SCH40 SCH60 XS SCH80 SCH100 SCH120 SCH140 SCH160 XXS
15 1/2" 21.3 2.11 2.41 2.77 2.77 3.73 3.73 4.78 7.47
20 3/4" 26.7 2.11 2.41 2.87 2.87 3.91 3.91 5.56 7.82
25 1" 33.4 2.77 2.9 3.38 3.38 4.55 4.55 6.35 9.09
32 1.1/4" 42.2 2.77 2.97 3.56 3.56 4.85 4.85 6.35 9.7
40 1.1/2" 48.3 2.77 3.18 3.68 3.68 5.08 5.08 7.14 10.15
50 2" 60.3 2.77 3.18 3.91 3.91 5.54 5.54 8.74 11.07
65 2.1/2" 73 3.05 4.78 5.16 5.16 7.01 7.01 9.53 14.02
80 3" 88.9 3.05 4.78 5.49 5.49 7.62 7.62 11.13 15.25
90 3.1/2" 101.6 3.05 4.78 5.74 5.74 8.08 8.08
100 4" 114.3 3.05 4.78 6.02 6.02 8.56 8.56 11.13 13.49 17.12
125 5" 141.3 3.4 6.55 6.55 9.53 9.53 12.7 15.88 19.05
150 6" 168.3 3.4 7.11 7.11 10.97 10.97 14.27 18.26 21.95
200 8" 219.1 3.76 6.35 7.04 8.18 8.18 10.31 12.7 12.7 15.09 18.26 20.62 23.01 22.23
250 10" 273 4.19 6.35 7.8 9.27 9.27 12.7 12.7 15.09 18.26 21.44 25.4 28.58 25.4
300 12" 323.8 4.57 6.35 8.38 9.53 10.31 14.27 12.7 17.48 21.44 25.4 28.58 33.32 25.4
350 14" 355.6 6.35 7.92 9.53 9.53 11.13 15.09 12.7 19.05 23.83 27.79 31.75 35.71
400 16" 406.4 6.35 7.92 9.53 9.53 12.7 16.66 12.7 21.44 26.19 30.96 36.53 40.19
450 18" 457.2 6.35 7.92 11.13 9.53 14.27 19.05 12.7 23.83 39.36 34.93 39.67 45.24
500 20" 508 6.35 9.53 12.7 9.53 15.09 20.62 12.7 26.19 32.54 38.1 44.45 50.01
550 22" 558.8 6.35 9.53 12.7 9.53 22.23 12.7 28.58 34.93 41.28 47.63 53.98
600 24" 609.6 6.35 9.53 14.27 9.53 17.48 24.61 12.7 30.96 38.89 46.02 52.37 59.54
650 26" 660.4 7.92 12.7 9.53 12.7
700 28" 711.2 7.92 12.7 15.88 9.53 12.7
750 30" 762 7.92 12.7 15.88 9.53 12.7
800 32" 812.8 7.92 12.7 15.88 9.53 17.48 12.7
850 34" 863.6 7.92 12.7 15.88 9.53 17.48 12.7
900 36" 914.4 7.92 12.7 15.88 9.53 19.05 12.7


Read more: Seamless pipe weight calculation formula