Schedule 40 pipe thickness in mm

SCHEDULE 80 STEEL PIPE

Schedule (SCH) 40 Pipe Thickness in mm

Home »  Schedule 40 Pipe Thickness

Table of Content

Get In Touch

schedule 40 Steel Pipe, sch 40 pipe, schedule 40 pipe, schedule 40 pipe thickness in mm, schedule 40 pipe thickness, sch 40 pipe thickness, schedule 40, schedule 40 steel pipe, schedule 40 pipe sizes, sch 40 pipes thickness, Supplier and exporter of SCH 40 Pipe, SS 316L Schedule 40 Pipe thickness, Supplier and exporter of SCH 40 Pipe, Thickness of schedule 40 pipe in mm,  SCH 40 pipe thickness in mm, schedule 40 pipe wall thickness, schedule 40 wall thickness, schedule 40 thickness, sch 40 stainless steel pipe thickness,sch 40 ss pipe thickness, schedule 40 stainless steel pipe thickness & steel pipe schedule 40 thickness.

Understanding Schedule 40 Pipe

Schedule 40 pipe is a popular choice across industries due to its ideal balance of wall thickness, strength & affordability. Typically having a 4 mm wall thickness, Sch 40 pipes can handle medium pressure applications. Schedule 40 steel pipes are widely used for transporting water, oil, air & gas offering good weldability & corrosion resistance. To enhance durability in corrosive environments, schedule 40 stainless steel pipes are manufactured by using many different materials like stainless steel, carbon steel, mild steel etc especially available in grades like 304, 316 & 316L are ideal for plumbing, marine & chemical processing. Available in various sizes as per ANSI B36.10, Sch 40 pipes are reliable for structural and fluid systems alike.

Lakshya Steel: Top Schedule 40 Pipe Manufacturer & Supplier

At Lakshya Steel, we offer a comprehensive range of SCH 40 Pipe in both stainless steel and carbon steel, designed to meet the strength, pressure & corrosion resistance demands of various industries. The schedule 40 pipe thickness in mm plays a critical role in determining the load-bearing & pressure-handling capacity of the pipe.

Whether you need to calculate thickness of schedule 40 pipe in mm for plumbing, fluid transport, structural or industrial applications our pipes are manufactured as per ANSI & ASTM standards to maintain consistent schedule 40 pipe wall thickness across sizes. We supply pipes in various grades including SS 304, SS 316, ASTM A106, A53 & API 5L Grade B.

Understanding the sch 40 pipe thickness in mm is key to selecting the right product. Our technical team is here to help you choose the ideal specification for your project. From 1/2 inch to 24 inches our pipe thickness data ensures you receive high-performance and long-lasting piping solutions.

Contact us to request Schedule 40 Pipe with high quality, durability & timely delivery.

Schedule 40 Pipe Thickness

Understand the standard wall thickness of Schedule 40 pipes for various diameters. Learn how schedule 40 pipe thickness ensures strength, pressure handling, and durability in steel piping systems.
Metric diameter Inch Out diameter Out diameter point to the thickness
A B ASME STD SCH40 SCH80
8 1/4′ – – – –
10 3/8 – – – –
15 1/2″ 21.3 2.77 2.77 3.73
20 3/4″ 26.7 2.87 2.87 3.91
25 1″ 33.4 3.38 3.38 4.55
32 1.1/4″ 42.2 3.56 3.56 4.85
40 1.1/2″ 48.3 3.68 3.68 5.08
50 2″ 60.3 3.91 3.91 5.54
65 2.1/2″ 73 5.16 5.16 7.01
80 3″ 88.9 5.49 5.49 7.62
90 3.1/2″ 101.6 5.74 5.74 8.08
100 4″ 114.3 6.02 6.02 8.56
125 5″ 141.3 6.55 6.55 9.53
150 6″ 168.3 7.11 7.11 10.97
200 8″ 219.1 8.18 8.18 12.7
250 10″ 273 9.27 9.27 15.09
300 12″ 323.8 9.53 10.31 17.48
350 14″ 355.5 9.53 11.13 19.05
400 16″ 406.4 9.53 12.7 21.44
450 18″ 457.2 9.53 14.27 23.83
500 20″ 508 9.53 15.09 26.19
550 22″ 558.8 9.53 – 28.58
600 24″ 609.6 9.53 17.48 30.96
650 26″ 660.4 9.53 – –
700 28″ 711.2 9.53 – –
750 30″ 762 9.53 – –
800 32″ 812.8 9.53 17.48 –
850 34″ 863.5 9.53 17.48 –
900 36″ 914.4 9.53 19.05 –
950 38″ 965.2 9.53 – –
1000 40″ 1016 9.53 – –
1050 42″ 1066.8 9.53 – –
1100 44″ 1117.6 9.53 – –
1150 46″ 1168.4 9.53 – –
1200 48″ 1219.2 9.53 – –

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

Sch 40 Pipe Dimensions

Pipe
Size*
O.D.
(in.)
Schedule (10, 40, 80)
Wall Tdickness (in.)**
Sch.10 Sch.40 Sch.80
Wall (in) I.D. (in) Wall (in) I.D. (in) Wall (in) I.D. (in)
1/8″ 0.41 od 0.049 in 0.312 id 0.07 in 0.269 id
Weight
(lbs/ft.)		 Steel 0.183 lbs/ft 0.247 lbs/ft
Stainless
Aluminum
1/4″ 0.54 od 0.065 in 0.410 id 0.090 in 0.364 id 0.119 in 0.302 id
Weight
(lbs/ft.)		 Steel 0.333 lbs/ft 0.429 lbs/ft 0.535 lbs/ft
Stainless
Aluminum 0.147 lbs/ft
3/8″ 0.675 od 0.065 in 0.545 id 0.091 in 0.493 id 0.126 in 0.423 id
Weight
(lbs/ft.)		 Steel 0.420 lbs/ft 0.570 lbs/ft 0.740 lbs/ft
Stainless
Aluminum 0.196 lbs/ft
1/2″ 0.840 od 0.083 in 0.674 id 0.109 in 0.622 id 0.147 in 0.546 id
Weight
(lbs/ft.)		 Steel 0.670 lbs/ft 0.850 lbs/ft 1.090 lbs/ft
Stainless
Aluminum 0.294 lbs/ft 0.384 lbs/ft
3/4″ 1.050 od 0.083 in 0.884 id 0.113 in 0.824 id 0.154 in 0.742 id
Weight
(lbs/ft.)		 Steel 0.86 lbs/ft 1.13 lbs/ft 1.48 lbs/ft
Stainless
Aluminum 0.391 0.520
1″ 1.315 od 0.109 in 1.097 id 0.133 in 1.049 id 0.179 in 0.957 id
Weight
(lbs/ft.)		 Steel 1.41 lbs/ft 1.68 lbs/ft 2.17 lbs/ft
Stainless
Aluminum 0.481 lbs/ft 0.581 lbs/ft 0.781 lbs/ft
1-1/4″ 1.66 od 0.109 in 1.442 id 0.140 in 1.380 id 0.191 in 1.278 id
Weight
(lbs/ft.)		 Steel 1.81 lbs/ft 2.27 lbs/ft 3.00 lbs/ft
Stainless
Aluminum 0.618 lbs/ft 0.785 lbs/ft 1.040 lbs/ft
1-1/2″ 1.90 od 0.109 in 1.682 id 0.145 in 1.610 id 0.200 in 1.500 id
Weight
(lbs/ft.)		 Steel 2.09 lbs/ft 2.72 lbs/ft 3.63 lbs/ft
Stainless
Aluminum 0.714 lbs/ft 0.939 lbs/ft 1.260 lbs/ft
2″ 2.375 od 0.109 in 2.157 id 0.154 in 2.067 id 0.218 in 1.939 id
Weight
(lbs/ft.)		 Steel 2.64 lbs/ft 3.66 lbs/ft 5.03 lbs/ft
Stainless
Aluminum 0.903 lbs/ft 1.260 lbs/ft 1.740 lbs/ft
2-1/2″ 2.875 od 0.120 in 2.635 id 0.203 in 2.469 id 0.276 in 2.323 id
Weight
(lbs/ft.)		 Steel 3.53 lbs/ft 5.80 lbs/ft 7.67 lbs/ft
Stainless
Aluminum 1.209 lbs/ft 2.000 lbs/ft
3″ 3.50 od 0.120 in 3.26 id 0.216 in 3.068 id 0.30 in 2.90 id
Weight
(lbs/ft.)		 Steel 4.34 lbs/ft 7.58 lbs/ft 10.26 lbs/ft
Stainless
Aluminum 1.483 lbs/ft 2.620 lbs/ft 3.55 lbs/ft
3-1/2″ 4.00 od 0.120 in 3.76 id 0.226 in 3.550 id 0.318 in 3.360 id
Weight
(lbs/ft.)		 Steel 4.98 lbs/ft 9.12 lbs/ft 12.52 lbs/ft
Stainless
Aluminum 3.150 lbs/ft 4.33 lbs/ft
4″ 4.50 od 0.120 in 4.26 id 0.237 in 4.026 id 0.337 in 3.826 id
Weight
(lbs/ft.)		 Steel 5.62 lbs/ft 10.80 lbs/ft 15.00 lbs/ft
Stainless
Aluminum 1.922 lbs/ft 3.730 lbs/ft 5.180 lbs/ft
5″ 5.563 od 0.134 in 5.295 id 0.258 in 5.047 id 0.375 in 4.813 id
Weight
(lbs/ft.)		 Steel 7.78 lbs/ft 14.63 lbs/ft 20.80 lbs/ft
Stainless
Aluminum 2.660 lbs/ft 5.050 lbs/ft 7.190 lbs/ft
6″ 6.625 od 0.134 in 6.357 id 0.280 in 6.065 id 0.432 in 5.761 id
Weight
(lbs/ft.)		 Steel 9.30 lbs/ft 18.99 lbs/ft 28.60 lbs/ft
Stainless
Aluminum 3.181 lbs/ft 6.560 lbs/ft 9.880 lbs/ft
8″ 8.625 od 0.148 in 8.329 id 0.322 in 7.981 id 0.500 in 7.625 id
Weight
(lbs/ft.)		 Steel 13.41 lbs/ft 28.58 lbs/ft 43.43 lbs/ft
Stainless
Aluminum 9.88 lbs/ft 15.010 lbs/ft

Schedule 40 Pipe Thickness in mm Chart

Explore the schedule 40 pipe thickness in mm for various pipe sizes, essential for selecting the right material for your project. Our guide covers sch 40 pipe thickness in mm, helping you understand the thickness of schedule 40 pipe in mm for both stainless steel and carbon steel pipes used in structural and pressure applications.

Nominal size [inches] Outside diameter [inches] Outside diameter [mm] Wall thickness [inches] Wall thickness [mm] Weight [lb/ft] Weight [kg/m]
1/8 inches 0.405 inches 10.3 MM 0.068 inches 1.73 MM 0.24 lb/ft 0.37 kg/m
1/4 inches 0.540 inches 13.7 MM 0.088 inches 2.24 MM 0.42 lb/ft 0.84 kg/m
1/2 inches 0.840 inches 21.3 MM 0.109 inches 2.77 MM 0.85 lb/ft 1.27 kg/m
3/4 inches 1.050 inches 26.7 MM 0.113 inches 2.87 MM 1.13 lb/ft 1.69 kg/m
1 inches 1.315 inches 33.4 MM 0.133 inches 3.38 MM 1.68 lb/ft 2.50 kg/m
1 1/4 inches 1.660 inches 42.2 MM 0.140 inches 3.56 MM 2.27 lb/ft 3.39 kg/m
1 1/2 inches 1.900 inches 48.3 MM 0.145 inches 3.68 MM 2.72 lb/ft 4.05 kg/m
2 inches 2.375 inches 60.3 MM 0.154 inches 3.91 MM 3.65 lb/ft 5.44 kg/m
2 1/2 inches 2.875 inches 73.0 MM 0.203 inches 5.16 MM 5.79 lb/ft 8.63 kg/m
3 inches 3.500 inches 88.9 MM 0.216 inches 5.49 MM 7.58 lb/ft 11.29 kg/m
3 1/2 inches 4.000 inches 101.6 MM 0.226 inches 5.74 MM 9.11 lb/ft 13.57 kg/m
4 inches 4.500 inches 114.3 MM 0.237 inches 6.02 MM 10.79 lb/ft 16.07 kg/m
5 inches 5.563 inches 141.3 MM 0.258 inches 6.55 MM 14.62 lb/ft 21.77 kg/m
6 inches 6.625 inches 168.3 MM 0.280 inches 7.11 MM 18.97 lb/ft 28.26 kg/m
8 inches 8.625 inches 219.1 MM 0.322 inches 8.18 MM 28.55 lb/ft 42.55 kg/m
10 inches 10.750 inches 273.0 MM 0.365 inches 9.27 MM 40.48 lb/ft 60.31 kg/m
12 inches 12.750 inches 323.8 MM 0.406 inches 10.31 MM 53.52 lb/ft 79.73 kg/m
14 inches 14 inches 355.6 MM 0.375 inches 11.13 MM 54.57 lb/ft 94.55 kg/m
16 inches 16 inches 406.4 MM 0.500 inches 12.70 MM 82.77 lb/ft 123.30 kg/m
18 inches 18 inches 457.0 MM 0.562 inches 14.27 MM 104.67 lb/ft 155.80 kg/m
20 inches 20 inches 508.0 MM 0.594 inches 15.09 MM 123.11 lb/ft 183.42 kg/m
24 inches 24 inches 610.0 MM 0.688 inches 17.48 MM 171.29 lb/ft 255.41 kg/m
32 inches 32 inches 813.0 MM 0.688 inches 17.48 MM 230.08 lb/ft 342.91 kg/m

Schedule 40 Steel Pipe Prices

The price of Schedule 40 steel pipe can vary due to several factors, including the grade of steel, the pipe’s diameter and length, and the supplier’s location. Prices may fluctuate based on market conditions and specific requirements.

NPS 1/2 3/4 1 1¼ 1½ 2 2½ 3 3½ 4
DN 15 20 25 32 40 50 65 80 90 100

SCH 40 Nominal pipe size (NPS)

NPS 1/2 3/4 1 1¼ 1½ 2 2½ 3 3½ 4
DN 15 20 25 32 40 50 65 80 90 100

Notes:

  • For NPS ≥ 4, the related DN = 25 multiplied by the NPS number.
  • From NPS 12 and above the wall thickness between SCH 40 and STD are different, from NPS 10 and above the wall thickness between schedule 80 and XS are different.

Schedule 40 Carbon Steel Pipe Pressure Rating

  • 1 in (inch) = 25.4 mm
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895×10-2 bar
Maximum Allowable Pressure (psi)  (kPa)
NPS Outside Diameter (OD) Schedule
(in) (in) (mm) 40
1/4 0.54 13.7 7985 55057
3/8 0.675 17.1 6606 45548
1/2 0.84 21.3 6358 43838
3/4 1.05 26.7 5273 36357
1 1.315 33.4 4956 34172
1 1/4 1.66 42.2 4133 28497
1 1/2 1.9 48.3 3739 25780
2 2.375 60.3 3177 21905
2 1/2 2.875 73 3460 23857
3 3.5 88.9 3024 20850
3 1/2 4 102 2769 19092
4 4.5 114 2581 17796
5 5.563 141 2273 15672
6 6.625 168 2071 14280
8 8.625 219 1829 12611
10 10.75 273 1664 11473
12 12.75 324 1560 10756
14 14 356 1533 10570
16 16 406 1531 10556
18 18 457 1530 10549
20 20 508 1455 10032
22 22 559
24 24 610 1405 9687
30 30 762
32 32 813 1054 7267
34 34 864 992 6840
36 36 914 1021 7040
42 42 1067 875 6033

Schedule 40 Pipe Thickness (in mm) – As per Standards

Lets learn more about how to calculate the thickness of schedule 40 as per various industry standards by using materials like stainless steel & carbon steel in order make an informed decision as per your business needs.

NPS (Nominal Pipe Size) OD (mm) ANSI B36.10 / ASTM A53 / A106 (Carbon Steel) ASME B36.19 (Stainless Steel)
1/2 inch 21.34 2.77 mm 2.77 mm
3/4 inch 26.67 2.87 mm 2.87 mm
1 inch 33.40 3.38 mm 3.38 mm
1 1/4 inch 42.16 3.56 mm 3.56 mm
1 1/2 inch 48.26 3.68 mm 3.68 mm
2 inch 60.33 3.91 mm 3.91 mm
2 1/2 inch 73.03 5.16 mm 5.16 mm
3 inch 88.90 5.49 mm 5.49 mm
4 inch 114.30 6.02 mm 6.02 mm
6 inch 168.28 7.11 mm 7.11 mm
8 inch 219.08 8.18 mm 8.18 mm
10 inch 273.05 9.27 mm 9.27 mm
12 inch 323.85 9.53 mm 9.53 mm
  • ANSI B36.10 is generally for carbon steel and wrought iron pipes.
  • ASME B36.19 is for stainless steel pipes and includes specific thickness tolerances.
  • Both standards define Schedule 40 thickness similarly, but material selection influences performance and application.

Manufacturer and supplier of Schedule 40 steel pipes in India, Schedule 40 steel pipe grades and material

Frequently Asked Questions

How thick is the Schedule 40 pipe?

Schedule 40 pipe wall thickness varies depending on the pipe size (NPS), but you can find reference charts online for specific dimensions by searching for “schedule 40 pipe wall thickness”.

Which is thicker, S20 or S40?

Schedule refers to the pipe wall thickness. Higher schedule numbers indicate a thicker wall. You can find reference tables for schedule pipe thicknesses.

Request A Quote

    Talk To Us – We’re Here To Help

    [hidden post-url default:shortcode[_post_url]]

    Fill the Captcha

    Our Products

    Our Latest Blogs

    Related Products

    Send Us Message

    Got a  question? We'd love to hear from you. Send us a message & we'll respond as soon as possible.

      [hidden post-url default:shortcode[_post_url]]

      Fill the Captcha

      Enquire Now
      close slider

        Enquire Now

        Need pricing or technical specs?

        [hidden post-url default:shortcode[_post_url]]

        Fill the Captcha