Schedule 40 steel pipe

Schedule 40 Steel Pipe

Strength and wall thickness is indicated as Sch40 in a pipe. It is displayed through a typical 4.0mm thickness. The pipeline schedule with the highest usage is schedule 40 steel pipe. It is typically used for gas and water pipelines, though galvanization is not required. Additionally, it could show up if support or decoration is required. There are two ways to apply zinc coating to these pipelines: in-line galvanization and hot-dip galvanization. The schedule 40 pipes can be hot-dip galvanized, which enables the zinc to adhere to the pipe. Its adaptability and operational strength enable it a fantastic pipe material. schedule 40 stainless steel pipe is under extreme pressure to deliver.

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Schedule 40 steel pipe specification


Schedule 40 Steel Pipe Specification

SCH 40 steel pipe size range SCH 40 pipe Length Schedule 40 pipe material
  • Nominal pipe size – 1/2” to 32” NPS
  • Wall thickness : – 1.73 – 17.48 mm
  • OD: 10.3 – 813.0 mm

For larger diameter please directly contact above Schedule 40 Steel Pipe suppliers in UAE & get stock
availability and shipping estimate

  • 6 meters
  • 12 meters
  • Single random lengths (4 – 8 meters)
  • Double random lengths (8 – 13 meters)
  • Custom length or cut to length to save wastage
Schedule 40 steel pipe condition of delivery Manufacturing method of SCH  40 seamless pipe SCH 40 pipe American dimensional standard
  • GBK – Annealed
  • NBK – Normalized
  • BKW – Soft/ Cold-finished
  • BK- Hard/ Cold-finished
  • Cold drawn seamless Schedule 40 pipe
  • Hot finished seamless SCH  40 pipe
  • ASME B36.10 carbon steel SCH 40 pipe
  • ASME B36.19 stainless steel SCH 40 pipe
SCH 40 steel pipe required quality test SCH 40 pipe coating & surface Schedule 40 pipe pipe end
  • Tensile mechanical test
  • Flattening test
  • Bend Test
  • Hardness test

All listed Schedule 40 Steel Pipe suppliers also offer third party inspection, MTC EN 10204 3.1 and IBR
certificate with delivery

  • 3PE
  • Polished
  • FBE/ Epoxy
  • Varnished
  • PE (Plain End)
  • BE (Beveled Ends)

contact an audited stockist if you have difficulties finding an odd-size schedule 40 galvanized steel pipe in Middle East countries, see schedule 40 vs schedule 80

SCH 40 pipe dimensions

View SCH 40 dimensions, weight & thickness in mm & inch

Pipe size Outside Diameter (OD) in Inch Outside Diameter (OD) in mm Schedule 40 Wall thickness in Inch Schedule 40 Wall thickness in mm Schedule 40 Weight in lb/ft Schedule 40 Weight in kg/m
1/8″ NPS6 0.41 10.3 0.068 1.73 0.24 0.37
1/4″ NPS8 0.54 13.7 0.088 2.24 0.42 0.63
3/8″ NPS10 0.68 17.1 0.091 2.31 0.57 0.84
1/2″ NPS15 0.84 21.3 0.109 2.77 0.85 1.27
3/4″ NPS20 1.05 26.7 0.113 2.87 1.13 1.69
1″ NPS25 1.32 33.4 0.133 3.38 1.68 2.5
1 1/4″ NPS32 1.66 42.2 0.14 3.56 2.27 3.39
1 1/2″ NPS40 1.9 48.3 0.145 3.68 2.72 4.05
2″ NPS50 2.375 60.3 0.154 3.91 3.65 5.44
2 1/2″ NPS65 2.875 73 0.203 5.16 5.79 8.63
3″ NPS80 3.5 88.9 0.216 5.49 7.58 11.29
3 1/2″ NPS90 4 101.6 0.226 5.74 9.11 13.57
4″ NPS100 4.5 114.3 0.237 6.02 10.79 16.07
5″ NPS125 5.563 141.3 0.258 6.55 14.62 21.77
6″ NPS150 6.625 168.3 0.28 7.11 18.97 28.26
8″ NPS200 8.625 219.1 0.322 8.18 28.55 42.55
10″ NPS250 10.75 273 0.365 9.27 40.48 60.31
12″ NPS300 12.75 323.8 0.406 10.31 53.52 79.73
14″ NPS350 14 355.6 0.437 11.13 54.57 94.55
16″ NPS400 16 406.4 0.5 12.7 82.77 123.3
18″ NPS450 18 457 0.562 14.27 104.67 155.8
20″ NPS500 20 508 0.594 15.09 123.11 183.42
24″ NPS600 24 610 0.688 17.48 171.29 255.41
32″ NPS800 32 813 0.688 17.48 230.08 342.91

Schedule 40 Steel Pipe Dimensions

Stainless steel schedule 40 pipe pressure rating

SS 304 SCH 40 pipe

Temperature (°C): 50 100 150 200 250 300 325 350 375 400 425 450 475 500 525 550 575 600 625 650 675 700 725
Design Strength (MPa): 138 138 138 130 122 115 113 111 110 107 105 103 101 100 97 90 78 64 51 41 33 27 21
Size Sch No WT (mm) Allowable Working Pressure (MPa)
DN NPS mm
10 17.15 40 2.31 36.9 36.9 36.9 34.7 32.6 30.7 30.2 29.7 29.4 28.6 28.1 27.5 27 26.7 25.9 24 20.8 17.1 13.6 11 8.8 7.2 5.6
15 ½ 21.34 40 2.77 35.4 35.4 35.4 33.3 31.3 29.5 29 28.4 28.2 27.4 26.9 26.4 25.9 25.6 24.9 23.1 20 16.4 13.1 10.5 8.5 6.9 5.4
20 ¾ 26.67 40 2.87 28.7 28.7 28.7 27 25.4 23.9 23.5 23.1 22.9 22.2 21.8 21.4 21 20.8 20.2 18.7 16.2 13.3 10.6 8.5 6.9 5.6 4.4
25 1 33.4 40 3.38 26.8 26.8 26.8 25.3 23.7 22.3 22 21.6 21.4 20.8 20.4 20 19.6 19.4 18.8 17.5 15.2 12.4 9.9 8 6.4 5.2 4.1
32 42.16 40 3.56 22 22 22 20.7 19.5 18.3 18 17.7 17.6 17.1 16.8 16.4 16.1 16 15.5 14.4 12.4 10.2 8.1 6.5 5.3 4.3 3.4
40 48.26 40 3.68 19.7 19.7 19.7 18.6 17.4 16.4 16.2 15.9 15.7 15.3 15 14.7 14.4 14.3 13.9 12.9 11.2 9.2 7.3 5.9 4.7 3.9 3
50 2 60.33 40 3.91 16.6 16.6 16.6 15.6 14.7 13.8 13.6 13.3 13.2 12.9 12.6 12.4 12.1 12 11.7 10.8 9.4 7.7 6.1 4.9 4 3.2 2.5
65 73.03 40 5.16 18.2 18.2 18.2 17.1 16.1 15.2 14.9 14.6 14.5 14.1 13.8 13.6 13.3 13.2 12.8 11.9 10.3 8.4 6.7 5.4 4.3 3.6 2.8
80 3 88.9 40 5.49 15.8 15.8 15.8 14.9 13.9 13.1 12.9 12.7 12.6 12.2 12 11.8 11.5 11.4 11.1 10.3 8.9 7.3 5.8 4.7 3.8 3.1 2.4
90 101.6 40 5.74 14.4 14.4 14.4 13.5 12.7 12 11.8 11.5 11.4 11.1 10.9 10.7 10.5 10.4 10.1 9.4 8.1 6.7 5.3 4.3 3.4 2.8 2.2
100 4 114.3 40 6.02 13.3 13.3 13.3 12.6 11.8 11.1 10.9 10.7 10.6 10.3 10.1 10 9.8 9.7 9.4 8.7 7.5 6.2 4.9 4 3.2 2.6 2
125 5 141.3 40 6.55 11.7 11.7 11.7 11 10.3 9.7 9.6 9.4 9.3 9 8.9 8.7 8.5 8.5 8.2 7.6 6.6 5.4 4.3 3.5 2.8 2.3 1.8
150 6 168.28 40 7.11 10.6 10.6 10.6 10 9.4 8.8 8.7 8.5 8.4 8.2 8.1 7.9 7.8 7.7 7.4 6.9 6 4.9 3.9 3.1 2.5 2.1 1.6
200 8 219.08 40 8.18 9.3 9.3 9.3 8.8 8.2 7.8 7.6 7.5 7.4 7.2 7.1 7 6.8 6.8 6.6 6.1 5.3 4.3 3.4 2.8 2.2 1.8 1.4
250 10 273.05 40 9.27 8.4 8.4 8.4 8 7.5 7 6.9 6.8 6.7 6.6 6.4 6.3 6.2 6.1 5.9 5.5 4.8 3.9 3.1 2.5 2 1.7 1.3
300 12 323.85 40 9.53 7.3 7.3 7.3 6.9 6.4 6.1 6 5.9 5.8 5.7 5.6 5.4 5.3 5.3 5.1 4.8 4.1 3.4 2.7 2.2 1.7 1.4 1.1
350 14 355.6 40 9.53 6.6 6.6 6.6 6.2 5.9 5.5 5.4 5.3 5.3 5.1 5 4.9 4.9 4.8 4.7 4.3 3.7 3.1 2.4 2 1.6 1.3 1
400 16 406.4 40 9.53 5.8 5.8 5.8 5.4 5.1 4.8 4.7 4.7 4.6 4.5 4.4 4.3 4.2 4.2 4.1 3.8 3.3 2.7 2.1 1.7 1.4 1.1 0.9
450 18 457.2 40 9.53 5.1 5.1 5.1 4.8 4.5 4.3 4.2 4.1 4.1 4 3.9 3.8 3.8 3.7 3.6 3.3 2.9 2.4 1.9 1.5 1.2 1 0.8
500 20 508 40 9.53 4.6 4.6 4.6 4.3 4.1 3.8 3.8 3.7 3.7 3.6 3.5 3.4 3.4 3.3 3.2 3 2.6 2.1 1.7 1.4 1.1 0.9 0.7
600 24 609.6 40 9.53 3.8 3.8 3.8 3.6 3.4 3.2 3.1 3.1 3.1 3 2.9 2.9 2.8 2.8 2.7 2.5 2.2 1.8 1.4 1.1 0.9 0.7 0.6

SS 316 SCH 40 pipe

Temperature (°C): 50 100 150 200 250 300 325 350 375 400 425 450 475 500 525 550 575 600 625 650 675 700
Design Strength (MPa): 138 138 138 133 125 119 117 114 112 111 110 108 107 106 106 103 95 81 65 50 39 30
Size Sch No WT
(mm)
Allowable Working Pressure (MPa)
DN NPS mm
10 17.15 40 2.31 36.9 36.9 36.9 35.3 33.4 31.8 31.3 30.5 29.9 29.7 29.4 28.9 28.6 28.3 28.3 27.5 25.4 21.6 17.4 13.4 10.4 8
15 ½ 21.34 40 2.77 35.4 35.4 35.4 34.1 32 30.5 30 29.2 28.7 28.4 28.2 27.7 27.4 27.2 27.2 26.4 24.3 20.8 16.7 12.8 10 7.7
20 ¾ 26.67 40 2.87 28.7 28.7 28.7 27.7 26 24.7 24.3 23.7 23.3 23.1 22.9 22.5 22.2 22 22 21.4 19.8 16.8 13.5 10.4 8.1 6.2
25 1 33.4 40 3.38 26.8 26.8 26.8 25.8 24.3 23.1 22.7 22.2 21.8 21.6 21.4 21 20.8 20.6 20.6 20 18.5 15.7 12.6 9.7 7.6 5.8
32 42.16 40 3.56 22 22 22 21.2 19.9 19 18.7 18.2 17.9 17.7 17.6 17.2 17.1 16.9 16.9 16.4 15.2 12.9 10.4 8 6.2 4.8
40 48.26 40 3.68 19.7 19.7 19.7 19 17.9 17 16.7 16.3 16 15.9 15.7 15.4 15.3 15.2 15.2 14.7 13.6 11.6 9.3 7.1 5.6 4.3
50 2 60.33 40 3.91 16.6 16.6 16.6 16 15 14.3 14.1 13.7 13.5 13.3 13.2 13 12.9 12.7 12.7 12.4 11.4 9.7 7.8 6 4.7 3.6
65 73.03 40 5.16 18.2 18.2 18.2 17.5 16.5 15.7 15.4 15 14.8 14.6 14.5 14.2 14.1 14 14 13.6 12.5 10.7 8.6 6.6 5.1 4
80 3 88.9 40 5.49 15.8 15.8 15.8 15.2 14.3 13.6 13.4 13 12.8 12.7 12.6 12.3 12.2 12.1 12.1 11.8 10.9 9.3 7.4 5.7 4.5 3.4
90 101.6 40 5.74 14.4 14.4 14.4 13.8 13 12.4 12.2 11.9 11.6 11.5 11.4 11.2 11.1 11 11 10.7 9.9 8.4 6.8 5.2 4.1 3.1
100 4 114.3 40 6.02 13.3 13.3 13.3 12.9 12.1 11.5 11.3 11 10.8 10.7 10.6 10.4 10.3 10.2 10.2 10 9.2 7.8 6.3 4.8 3.8 2.9
125 5 141.3 40 6.55 11.7 11.7 11.7 11.2 10.6 10.1 9.9 9.6 9.5 9.4 9.3 9.1 9 9 9 8.7 8 6.8 5.5 4.2 3.3 2.5
150 6 168.28 40 7.11 10.6 10.6 10.6 10.2 9.6 9.1 9 8.8 8.6 8.5 8.4 8.3 8.2 8.1 8.1 7.9 7.3 6.2 5 3.8 3 2.3
200 8 219.08 40 8.18 9.3 9.3 9.3 9 8.4 8 7.9 7.7 7.6 7.5 7.4 7.3 7.2 7.2 7.2 7 6.4 5.5 4.4 3.4 2.6 2
250 10 273.05 40 9.27 8.4 8.4 8.4 8.1 7.7 7.3 7.2 7 6.9 6.8 6.7 6.6 6.6 6.5 6.5 6.3 5.8 5 4 3.1 2.4 1.8
300 12 323.85 40 9.53 7.3 7.3 7.3 7 6.6 6.3 6.2 6 5.9 5.9 5.8 5.7 5.7 5.6 5.6 5.4 5 4.3 3.4 2.6 2.1 1.6
350 14 355.6 40 9.53 6.6 6.6 6.6 6.4 6 5.7 5.6 5.5 5.4 5.3 5.3 5.2 5.1 5.1 5.1 4.9 4.6 3.9 3.1 2.4 1.9 1.4
400 16 406.4 40 9.53 5.8 5.8 5.8 5.6 5.2 5 4.9 4.8 4.7 4.7 4.6 4.5 4.5 4.4 4.4 4.3 4 3.4 2.7 2.1 1.6 1.3
450 18 457.2 40 9.53 5.1 5.1 5.1 4.9 4.6 4.4 4.3 4.2 4.2 4.1 4.1 4 4 3.9 3.9 3.8 3.5 3 2.4 1.9 1.4 1.1
500 20 508 40 9.53 4.6 4.6 4.6 4.4 4.2 4 3.9 3.8 3.7 3.7 3.7 3.6 3.6 3.5 3.5 3.4 3.2 2.7 2.2 1.7 1.3 1
600 24 609.6 40 9.53 3.8 3.8 3.8 3.7 3.5 3.3 3.2 3.2 3.1 3.1 3.1 3 3 2.9 2.9 2.9 2.6 2.2 1.8 1.4 1.1 0.8

Carbon steel schedule 40 pipe pressure rating

Carbon Steel Grade B Pipes – ASTM A53M, A106M, API 5L, Seamless
Maximum Allowable Operating Pressure (MPa)
Nominal Size Outside Diameter (mm) Schedule Wall Thickness
(mm)
Temperature (°C)
-29
to
+38
204 260 343 371 399 427
(DN) (NPS) Maximum Allowable Stress (MPa)
137.9 137.9 130.3 117.2 113.8 89.6 74.5
15 ½ 21.3 40 2.77 34.5 34.5 32.6 29.3 28.5 22.4 18.6
20 ¾ 26.7 40 2.87 28.1 28.1 26.5 23.8 23.1 18.2 15.1
25 1 33.4 40 3.38 26.3 26.3 24.8 22.3 21.7 17.1 14.2
32 1 ¼ 42.2 40 3.56 21.6 21.6 20.4 18.4 17.8 14.1 11.7
40 1 ½ 48.3 40 3.68 19.4 19.4 18.4 16.5 16 12.6 10.5
50 2 60.3 40 3.91 16.4 16.4 15.5 13.9 13.5 10.7 8.9
65 2 ½ 73.0 40 5.16 17.9 17.9 17 15.3 14.8 11.7 9.7
80 3 88.9 40 5.49 15.6 15.6 14.7 13.2 12.8 10.1 8.4
100 4 114.3 40 6.02 13.2 13.2 12.5 11.2 10.9 8.6 7.1
125 5 141.3 40 6.55 11.6 11.6 10.9 9.8 9.5 7.5 6.2
150 6 168.3 40 7.11 10.5 10.5 9.9 8.9 8.7 6.8 5.7
200 8 219.1 40 8.18 9.3 9.3 8.7 7.9 7.6 6.0 5.0
250 10 273.1 40 9.27 8.4 8.4 7.9 7.1 6.9 5.5 4.5
300 12 323.9 40 10.31 7.9 7.9 7.4 6.7 6.5 5.1 4.2
350 14 355.6 40 11.13 7.7 7.7 7.3 6.6 6.4 5.0 4.2
400 16 406.4 40 12.7 7.7 7.7 7.3 6.6 6.4 5.0 4.2
450 18 457 40 14.27 7.7 7.7 7.3 6.5 6.4 5.0 4.2
500 20 508 40 15.09 7.3 7.3 6.9 6.2 6.0 4.8 4.0
600 24 610 40 17.48 7.1 7.1 6.7 6 5.8 4.6 3.8

Notes:

  • Above S 40 size, dimensions and maximum Allowable pressure is applicable for ASTM A53 Grade B, ASTM A106 Grade B
    and API 5L Grade B pipe
  • This pressure rating is only for S 40 seamless pipe

Theoretical Bursting Pressures of schedule 40 stainless steel pipe

S 40 pipe size S 40 pipe O.D. in inches Pressures in  Pounds Wall Thickness in inches
1/8 0.405 25,185 .068/.2447
1/4 0.54 24,444 .086/.4248
3/8 0.675 20,222 .091/.5676
1/2 0.84 19,464 .109/.8510
3/4 1.05 16,143 .113/1.131
1 1.315 15,171 .133/1.679
1 1/4 1.66 12,651 .140/2.273
1 1/2 1.9 11,447 .145/2.718
2 2.375 9,726 .154/3.653
2 1/2 2.875 10,591 .203/5.793
3 3.5 9,257 .216/7.576
3 1/2 4 8,475 .226/9.109
4 4.5 7,900 .237/10.79
5 5.563 6,957 .258/14.62
6 6.625 6,340 .280/18.97
8 8.625 5,600 .322/28.55
10 10.75 5,093 .365/40.48
12 12.75 4,776 .406/53.52
14 14 4,693 .438/63.37
16 16 4,688 .500/82.77
18 18 4,683 .562/104.8
20 20 4,448 .593/122.9
24 24 4,294 .687/171.2

Schedule 40 pipe pipe diameter

S 40 pipe size OD – Outside Diameter ID – Inside Diameter Schedules Wall thickness
1/8″ 0.405 0.269 40 0.068
1/4″ 0.54 0.364 40 0.088
3/8″ 0.675 0.493 40 0.091
1/2″ 0.84 0.622 40 0.109
3/4″ 1.05 0.824 40 0.113
1″ 1.315 1.049 40 0.133
1 1/4″ 1.66 1.38 40 0.14
1 1/2″ 1.9 1.61 40 0.145
2″ 2.375 2.067 40 0.154
2 1/2″ 2.875 2.469 40 0.203
3″ 3.5 3.068 40 0.216
3 1/2″ 4 3.548 40 0.226
4″ 4.5 4.026 40 0.237
5″ 5.563 5.047 40 0.258
6″ 6.625 6.065 40 0.28
8″ 8.625 7.981 40 0.322
10″ 10.75 10.02 40 0.365
12″ 12.75 11.938 40 0.406
14″ 14 13.124 40 0.438
16″ 16 15 40 0.5
18″ 18 16.876 40 0.562
20″ 20 18.812 40 0.594
24″ 24 22.626 40 0.688

Find ex-stock of SCH 40 in UAE

SCH 40 stainless steel pipe

Brand Name Country/ Origin
SALZGITTER MANNESMANN INDIA
BENTELER AUSTRIA
SEAH KOREA SOUTH KOREA
BUTTING GERMANY GERMANY
TUBACEX INDIA

SCH 40 carbon steel pipe

Brand Name Country/ Origin
JFE JAPAN JAPAN
ARCELORMITTAL UK
TENARIS ITALY
Maharashtra Seamless Ltd. INDIA
ISMT INDIA
JSW INDIA
TUBOS SPAIN
Hyundai Hysco KOREA
Valcovny trub Chomutov Czechia (Europe)
BENTELER GERMANY
SEAH KOREA SOUTH KOREA
BUTTING GERMANY GERMANY

Discover the top 10 importers of 1.5/10/8 inch schedule 40 black steel pipe in Dubai with MTC here, see what is the price per foot, od, and id of stainless steel schedule 40 pipe

Nominal Pipe Size and scheduled pipes can measure a pipe’s outside dimension & wall thickness. For example, 5 schedule 40 pipes will possess a layer thickness of approx. 0.437 inches and an outer diameter of 14 centimeters. The pipe’s internal and exterior diameters are determined by the schedule numbers. The pipe’s length, nominal diameter, interior diameter, and exterior schedule 40 pipe diameter all fall within the acceptable range. For instance, the actual interior and outside diameters of a schedule 40 pipeline’s expected diameter will be 2.469 and 2.875, respectively.

The quantity of weight schedule 40 galvanized steel pipe can sustain is influenced by a variety of factors. schedule 40 black steel pipes have a yield point of 30 thousand pounds per square inch. Suppose users own a one-inch pipe as well as a 4-foot length. 300 lbs. ought to be supported by the center with a 0.25-inch constant displacement. If users put additional fifty lbs. into that tube, it will topple over on them. Considering that pipe is not being loaded in the middle, there is not really a weight-per-foot calculation. It is either more than a significant impact or springing support. For anything with regular tires, it will function.

The terms “Schedule 40” and “Schedule 80” indicate to the pipeline wall thickness. 3 schedule 40 pipes have regular weight, but schedule 80 tubes have increased toughness. Schedule 40 & Schedule 80 are both made using the same raw ingredients. The walls of schedule 80 pipelines are thicker than those of schedule 40 pipelines. Schedule 80 pipelines are therefore more durable than Schedule 40 pipelines. Schedule 40 is utilized more frequently even when both pipelines are employed in construction. Professionals would instead use Schedule 80 pipes if a heavier pipeline was required. But 6 Schedule 40 pipes are adequate if additional strength is not required.

Get the best traders for custom size 5/12/1.25 inch ASTM a53 schedule 40 pipe at GCC countries, see schedule 40 metal pipe diameter and thickness in mm

The inner surface and outer diameter are used to determine pipe thickness. A 1/8th-inch standard-size pipe schedule 40 pipe, as an illustration, has a pipe wall thickness of 0.068 and an external diameter of 0.405. It weighs 0.245 pounds per square foot. The 4 schedule 40 steel pipe is a more typical pipeline. The external diameter of this pipeline is 4.5, its wall thickness is 0.237, and it weighs 10.79 pounds per foot. Such 10 schedule 40 pipe dimensions are thought to be the optimum for moderate hydraulic pressure installations since they have thinner walls. The chart of pipe dimensions can be used to calculate the thickness of sch 40 pipes.

Are you searching stocking distributor who keeps a large selection of schedule 40 black pipe stock at a discounted price; contact us for a free sample and view the pressure rating

Users can decide whether schedule 40 is better for their proposal using a mathematical formula.
SCH = (1,000) *(P/S)
P refers to the internal working pressure of the pipeline, and S indicates the maximum stress that the pipe can withstand.
Due to its affordability, the Schedule 40 Steel 304 tube is the most often utilized pipe type. The alloy is robust, with a minimum yield stress of 215 MPa and a least tensile strength of 505 MPa. It also possesses good working ranges and excellent corrosion tolerance. Its function may be instantly impacted by a change in pressure.