sch 40 pipe, schedule 40 chart,dimensions,sch 40 weight and pipe thickness in mm

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Alloy & Carbon Steel SCH 40 Pipe Size Chart as per ASME B36.10

 

Steel pipes are manufactured in various grades and categorized into different schedules, each with specific standards for measuring pipe thickness. As the schedule number increases, the thickness of the pipe also increases. Schedule 40 is a versatile pipe known for its proven performance. These pipes can undergo two different zinc coating methods: in-line Galvanization and hot-dip galvanization. Hot-dip galvanization allows the zinc to bond with the pipe, providing enhanced protection. Schedule 40 pipe is known for its regular pressure ratings and high strength grade. The outer diameter and wall thickness of a pipe can be determined using NPS (Nominal Pipe Size) and scheduled pipes. For example, NPS 14 schedule 40 pipe will have an outside diameter of 14 cm and a wall thickness of 0.437 inches. The schedule number plays a crucial role in determining the inside and outside diameter of the pipe.

The schedule 40 pipe dimensions are provided in the table above. The weight of schedule 40 steel pipes varies depending on the pipe size. On average, the weight per foot of sch 40 is approximately 1.68 lbs. Each type of pipe has its own advantages, and the same applies to sch 40 pipe. Due to their thinner walls, sch40 are considered ideal for applications with low water pressure. However, it is crucial to ensure that the dimensions of schedule 40 pipe size chart meet the requirements of your specific application. Remember that the strength of the pipe is only as strong as its weakest point, and any variation in pressure can immediately impact its performance.

The schedule 40 pipe thickness can be determined from the provided table. Initially, standard pipe schedule were divided into three sections: standard weight (STD), double extra strong (XXS), and extra strong (XS), based on the pipe size. Although these classifications were expected to be phased out by suppliers of schedule 40 steel pipes, they are still widely used. DN (Nominal Diameter) is a dimensionless specification indirectly related to the pipe's diameter according to ISO 6708. It does not directly correspond to the size or schedule 40 pipe thickness in mm. Originally, NPS values had the same inside diameter, but as the ss 304 schedule 40 pipe thickness evolved, the inside diameter changed, and NPS became indirectly related to both the inside and outside diameter. We have been manufacturing schedule 40 pipe dimensions in mm for generations and customizing them according to specific application requirements. The schedule 40 pipe weight varies based on the amount of metal used and the thickness of the pipe's wall.


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Schedule 40 Pipe

 

SCH 5 Pipes / SCH 10 Pipes / SCH 20 Pipes / SCH 30 Pipes / SCH 40 Pipes / SCH 60 Pipes / SCH 80 Pipes / SCH 100 Pipes / SCH 120 Pipes / SCH 140 Pipes / SCH 160 Pipes

Pipes schedule 40 chart, dimensions, weight and pipe wall thickness and Steel Metal Weight Calculator

Pipes schedule 40 chart gives dimensions of steel pipes schedule 40. Chart includes sizes in inches and in millimeters.
Nominal size [inches] Outside diameter [inches] Outside diameter [mm] Wall thickness [inches] Wall thickness [mm] Weight [lb/ft] Weight [kg/m]
1/8 0,405 10,3 0,068 1,73 0,24 0,37
1/4 0,540 13,7 0,088 2,24 0,42 0,84
1/2 0,840 21,3 0,109 2,77 0,85 1,27
3/4 1,050 26,7 0,113 2,87 1,13 1,69
1 1,315 33,4 0,133 3,38 1,68 2,50
1 1/4 1,660 42,2 0,140 3,56 2,27 3,39
1 1/2 1,900 48,3 0,145 3,68 2,72 4,05
2 2,375 60,3 0,154 3,91 3,65 5,44
2 1/2 2,875 73,0 0,203 5,16 5,79 8,63
3 3,500 88,9 0,216 5,49 7,58 11,29
3 1/2 4,000 101,6 0,226 5,74 9,11 13,57
4 4,500 114,3 0,237 6,02 10,79 16,07
5 5,563 141,3 0,258 6,55 14,62 21,77
6 6,625 168,3 0,280 7,11 18,97 28,26
8 8,625 219,1 0,322 8,18 28,55 42,55
10 10,750 273,0 0,365 9,27 40,48 60,31
12 12,750 323,8 0,406 10,31 53,52 79,73
14 14 355,6 0,375 11,13 54,57 94,55
16 16 406,4 0,500 12,70 82,77 123,30
18 18 457,0 0,562 14,27 104,67 155,80
20 20 508,0 0,594 15,09 123,11 183,42
24 24 610,0 0,688 17,48 171,29 255,41
32 32 813,0 0,688 17,48 230,08 342,91

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What is the meaning of Schedule 40 pipe?

Based on the NPS and schedule of a pipe, the pipe outside diameter (OD) and wall thickness can be obtained from reference tables such as those below, which are based on ASME standards B36.10M and B36.19M. For example, NPS 14 Sch 40 has an OD of 14 inches (360 mm) and a wall thickness of 0.437 inches (11.1 mm).

NPS OD Schedule # Wall Thickness ID. 1.000” 1.315” SCH 40 0.133” 1.049” (approx.) 1.000” 1.315” SCH 80 0.179” 0.957” (approx.) All pipes are specified using the NPS and schedule numbers. It is the schedule number that determines the approximate inside diameter.

What are Pipe Schedules?

The schedule number on pipe products relates to the thickness of the wall on the pipe: as the number increases, the thicker the wall thickness becomes. Also, while the schedule number can be the same on different sized pipes, the actual wall thickness will be different. Here are a few examples:

Pipe size 1.000” Schedule 40 – The actual wall thickness is 0.133”
Pipe size 2.000” Schedule 40 – The actual wall thickness is 0.145”
Pipe size 1.000” Schedule 80 – The actual wall thickness is 0.179”
Pipe size 2.000” Schedule 80 – The actual wall thickness is 0.218”

What we can see here is that the schedule number increases the wall size, and that the wall thickness changes based on the nominal pipe size (NPS).

The best way to see the relationship between pipe size, schedules and wall thicknesses is simply to refer to a conversion chart 

schedule 40 pipes pressure rating

ANSI Schedule 5 Welded/ ERW Pipes in Exporter & supplier in India, the best price guarantee
Maximum Allowable Pressure (psi)  (kPa)
NPSOutside DiameterSchedule
(inch)

(inch)

(mm)

40
1/4 inch

0.54 inch

13.7 mm

7985

55057

3/8 inch

0.675 inch

17.1 mm

6606

45548

1/2 inch

0.84 inch

21.3 mm

6358

43838

3/4 inch

1.05 inch

26.7 mm

5273

36357

1 inch

1.315 inch

33.4 mm

4956

34172

1 1/4 inch

1.66 inch

42.2 mm

4133

28497

1 1/2 inch

1.9 inch

48.3 mm

3739

25780

2 inch

2.375 inch

60.3 mm

3177

21905

2 1/2 inch

2.875 inch

73 mm

3460

23857

3 inch

3.5 inch

88.9 mm

3024

20850

3 1/2 inch

4 inch

102 mm

2769

19092

4 inch

4.5 inch

114 mm

2581

17796

5 inch

5.563 inch

141 mm

2273

15672

6 inch

6.625 inch

168 mm

2071

14280

8 inch

8.625 inch

219 mm

1829

12611

10 inch

10.75 inch

273 mm

1664

11473

12 inch

12.75 inch

324 mm

1560

10756

14 inch

14 inch

356 mm

1533

10570

16 inch

16 inch

406 mm

1531

10556

18 inch

18 inch

457 mm

1530

10549

20 inch

20 inch

508 mm

1455

10032

22 inch

22 inch

559 mm

 
24 inch

24 inch

610 mm

1405

9687

30 inch

30 inch

762 mm

 
32 inch

32 inch

813 mm

1054

7267

34 inch

34 inch

864 mm

992

6840

36 inch

36 inch

914 mm

1021

7040

42 inch

42 inch

1067 mm

875

6033

sch 40 pipe dimensions

Buy Schedule 40 Seamless Pipe at factory price in Mumbai
Pipe Size* O.D. (in.) Schedule (40) Wall Thickness (in.)**
Sch.40
Wall (in) I.D. (in)
1/8″ 0.41 od 0.07 in 0.269 id
Weight (lbs/ft.) Steel 0.247 lbs/ft
Stainless
Aluminum  
1/4″ 0.54 od 0.090 in 0.364 id
Weight (lbs/ft.) Steel 0.429 lbs/ft
Stainless
Aluminum 0.147 lbs/ft
3/8″ 0.675 od 0.091 in 0.493 id
Weight (lbs/ft.) Steel 0.570 lbs/ft
Stainless
Aluminum 0.196 lbs/ft
1/2″ 0.840 od 0.109 in 0.622 id
Weight (lbs/ft.) Steel 0.850 lbs/ft
Stainless
Aluminum 0.294 lbs/ft
3/4″ 1.050 od 0.113 in 0.824 id
Weight (lbs/ft.) Steel 1.13 lbs/ft
Stainless
Aluminum 0.391
1″ 1.315 od 0.133 in 1.049 id
Weight (lbs/ft.) Steel 1.68 lbs/ft
Stainless
Aluminum 0.581 lbs/ft
1-1/4″ 1.66 od 0.140 in 1.380 id
Weight (lbs/ft.) Steel 2.27 lbs/ft
Stainless
Aluminum 0.785 lbs/ft
1-1/2″ 1.90 od 0.145 in 1.610 id
Weight (lbs/ft.) Steel 2.72 lbs/ft
Stainless
Aluminum 0.939 lbs/ft
2″ 2.375 od 0.154 in 2.067 id
Weight (lbs/ft.) Steel 3.66 lbs/ft
Stainless
Aluminum 1.260 lbs/ft
2-1/2″ 2.875 od 0.203 in 2.469 id
Weight (lbs/ft.) Steel 5.80 lbs/ft
Stainless
Aluminum 2.000 lbs/ft
3″ 3.50 od 0.216 in 3.068 id
Weight (lbs/ft.) Steel 7.58 lbs/ft
Stainless
Aluminum 2.620 lbs/ft
3-1/2″ 4.00 od 0.226 in 3.550 id
Weight (lbs/ft.) Steel 9.12 lbs/ft
Stainless
Aluminum 3.150 lbs/ft
4″ 4.50 od 0.237 in 4.026 id
Weight (lbs/ft.) Steel 10.80 lbs/ft
Stainless
Aluminum 3.730 lbs/ft
5″ 5.563 od 0.258 in 5.047 id
Weight (lbs/ft.) Steel 14.63 lbs/ft
Stainless
Aluminum 5.050 lbs/ft
6″ 6.625 od 0.280 in 6.065 id
Weight (lbs/ft.) Steel 18.99 lbs/ft
Stainless
Aluminum 6.560 lbs/ft
8″ 8.625 od 0.322 in 7.981 id
Weight (lbs/ft.) Steel 28.58 lbs/ft
Stainless
Aluminum 9.88 lbs/ft
*Nominal sizes apply – Pipe Size is the generic Industry Size Standard for reference only **Tolerances may vary slightly from each manufacturer
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