ANSI Schedule 80 Steel Pipes - Dimensions
Based on ASTM A53 - Standard Specification for Pipe, Steel, Black and Hot-Dipped, Zinc-Coated, Welded and Seamless.
For full table with Length vs. External and Internal Surface, Volume, Weight and Number of Threads - rotate the screen!
Pipe Size (in) | Diameter (in) | Nominal Thickness (in) | Transverse Areas (in2) | Length of Pipe (per sq. foot of) | Volume (ft3/ft) | Weight | Number of Threads per inch of Screw | |||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
External | Internal | External | Internal | Steel | External Surface (ft) | Internal Surface (ft) | lb/ft | kg/m | ||||
1/8 | 0.41 | 0.22 | 0.10 | 0.13 | 0.04 | 0.09 | 9.43 | 17.75 | 0.0003 | 0.31 | 0.47 | 27 |
¼ | 0.54 | 0.30 | 0.12 | 0.23 | 0.07 | 0.16 | 7.07 | 12.65 | 0.0005 | 0.54 | 0.80 | 18 |
3/8 | 0.68 | 0.42 | 0.13 | 0.36 | 0.14 | 0.22 | 5.66 | 9.03 | 0.0010 | 0.74 | 1.10 | 18 |
½ | 0.84 | 0.55 | 0.15 | 0.55 | 0.23 | 0.32 | 4.55 | 7.00 | 0.0016 | 1.00 | 1.49 | 14 |
¾ | 1.05 | 0.74 | 0.15 | 0.87 | 0.43 | 0.43 | 3.64 | 5.15 | 0.0030 | 1.47 | 2.19 | 14 |
1 | 1.32 | 0.96 | 0.18 | 1.36 | 0.72 | 0.64 | 2.90 | 4.00 | 0.0050 | 2.17 | 3.23 | 11 ½ |
1 ¼ | 1.66 | 1.28 | 0.19 | 2.16 | 1.28 | 0.88 | 2.30 | 2.99 | 0.0089 | 3.00 | 4.46 | 11 ½ |
1 ½ | 1.90 | 1.50 | 0.20 | 2.84 | 1.77 | 1.07 | 2.01 | 2.54 | 0.0123 | 3.65 | 5.43 | 11 ½ |
2 | 2.38 | 1.94 | 0.22 | 4.43 | 2.95 | 1.48 | 1.61 | 1.97 | 0.0205 | 5.02 | 7.47 | 11 ½ |
2 ½ | 2.88 | 2.32 | 0.28 | 6.49 | 4.24 | 2.25 | 1.33 | 1.65 | 0.0294 | 7.66 | 11.40 | 8 |
3 | 3.50 | 2.90 | 0.30 | 9.62 | 6.61 | 3.02 | 1.09 | 1.32 | 0.0459 | 10.30 | 15.33 | 8 |
3 ½ | 4.00 | 3.36 | 0.32 | 12.56 | 8.89 | 3.68 | 0.95 | 1.14 | 0.0617 | 12.50 | 18.60 | 8 |
4 | 4.50 | 3.83 | 0.34 | 15.90 | 11.50 | 4.41 | 0.85 | 1.00 | 0.08 | 14.90 | 22.17 | 8 |
5 | 5.56 | 4.81 | 0.38 | 24.30 | 18.19 | 6.11 | 0.69 | 0.79 | 0.1263 | 20.80 | 30.95 | 8 |
6 | 6.63 | 5.76 | 0.43 | 34.47 | 26.07 | 8.30 | 0.58 | 0.67 | 0.1810 | 28.60 | 42.56 | 8 |
8 | 8.63 | 7.63 | 0.50 | 58.42 | 45.66 | 12.76 | 0.44 | 0.50 | 0.3171 | 43.40 | 64.59 | 8 |
10 | 10.75 | 9.56 | 0.59 | 90.76 | 71.84 | 18.92 | 0.36 | 0.40 | 0.4989 | 64.40 | 95.84 | 8 |
12 | 12.75 | 11.38 | 0.69 | 127.64 | 101.64 | 26.00 | 0.30 | 0.34 | 0.7058 | 88.60 | 131.85 | |
14 | 14.00 | 12.50 | 0.75 | 153.94 | 122.72 | 31.22 | 0.27 | 0.31 | 0.8522 | 107.00 | 159.23 | |
16 | 16.00 | 14.31 | 0.84 | 201.05 | 160.92 | 40.13 | 0.24 | 0.26 | 1.1170 | 137.00 | 203.88 | |
18 | 18.00 | 16.13 | 0.94 | 254.85 | 204.24 | 50.61 | 0.21 | 0.24 | 1.4180 | 171.00 | 254.48 | |
20 | 20.00 | 17.94 | 1.03 | 314.15 | 252.72 | 61.43 | 0.19 | 0.21 | 1.7550 | 209.00 | 311.03 | |
24 | 24.00 | 21.56 | 1.22 | 452.40 | 365.22 | 87.18 | 0.16 | 0.17 | 2.5360 | 297.00 | 441.99 | |
ASTM A53 pipe - also referred to as ASME SA53 pipe - is intended for mechanical and pressure applications. Can be used in steam, water, gas and air lines. Suitable for welding and forming like coiling, bending and flanging.
- 1 in2 = 645.2 mm2 = 6.452 cm2 = 6.452x10-4 m2
- 1 ft (foot) = 0.3048 m
Related Topics
• Piping Codes and Standards
Piping and tubes codes and standards - ASME, ANSI, ASTM, AGA, API, AWWA, BS, ISO, DIN and more.
• Piping Systems
Calculate dimensions of pipes and tubes. Pressure drop calculations and head loss charts. Use of different piping materials. Insulation of pipes and tubes and heat loss diagrams.
Related Documents
ANSI - American National Standards Institute
ANSI provides a forum for development of American national standards.
ANSI Schedule 40 Steel Pipes - Dimensions
Internal and external diameters, areas, weights, volumes and number of threads for ANSI schedule 40 steel pipes.
ASME/ANSI B36.10/19 - Carbon, Alloy and Stainless Steel Pipes - Dimensions
Pipe sizes, inside and outside diameters, wall thickness, schedules, moment of inertia, transverse area, weight of pipe filled with water - U.S. Customary Units.
ASTM A53 B Carbon Steel Pipes - Allowable Pressure vs. Schedule and Size
Maximum working pressure of carbon steel pipe at temperature 400oF.
ASTM D1785 and ASTM F441 - PVC and CPVC Pipes Schedule 40 & 80
Standard dimensions and weight of PVC - Polyvinyl Chloride - and CPVC - Chlorinated Polyvinyl Chloride.
ASTM International - Standards for Steel Pipes, Tubes and Fittings
The ASTM standards covers various types of steel pipes, tubes and fittings for high-temperature services, ordinary use and special applications such as fire protection use
EN 10241 - Steel Threaded Pipe Fittings
EN 10241 specifies requirements for screw threaded fittings.
EN 10255 - Non-alloy Steel Tubes for Welding and Threading - Dimensions
Dimensions and weights of steel tubes according BS EN 10255.
Hot Water Heating Systems - Online Design Application
Free online design tool for designing hot water heating systems - metric units.
Hot Water Heating Systems - Online Design Application, Imperial Units
Online design tool for hot water heating systems.
NPS - 'Nominal Pipe Size' and DN - 'Diametre Nominal'
The size of pipes, fittings, flanges and valves are often given in inches as NPS - Nominal Pipe Size, or in metric units as DN - 'Diametre Nominal'.
Pipes - Nominal Wall Thickness
Nominal wall thickness of seamless and welded carbon and alloy steel pipes
Pipes and Tubes - Imperial vs. Metric Sizes
SI vs. Imperial pipe sizes.
Pipes and Tubes - Water Content
Water content in steel pipes and copper tubes.
Schedule - Terminology
Introduction to the schedule terminology of pipes.
Stainless Steel Pipes - Dimensions and Weights
Dimensions, wall thickness and weights of stainless steel pipes according to ASME B36.19 Stainless Steel Pipes.
Steel Pipes - Bundling Schedules Length and Weight
Bundling schedules for standard weight and extra strong steel pipes.
Steel Pipes - Heat Loss Diagram
Heat loss from steel pipes and tubes - dimensions 1/2 to 12 inches.
Steel Pipes - Maximum Water Flow Capacities vs. Size
Maximum water flow capacities in steel pipes - pipe dimensions ranging 2 - 24 inches.
Steel Pipes - Weight
Weight of steel pipes and tubes vs. wall thickness.
Steel Pipes Schedule 40 - Friction Loss vs. Water Flow Diagram
Friction loss and velocity diagrams - in imperial (psi/100 ft, ft/s) and SI (Pa/100m, m/s) units.
Steel Pipes Schedule 40 - Pressure Loss
Water flow and pressure loss in schedule 40 steel pipes - Imperial and SI units - gallons per minute, liters per second and cubic meters per hour.
Steel Pipes Schedule 80 - Friction Loss vs. Water Flow Diagram
Water flow in steel pipes schedule 80 - pressure drop and velocity diagrams in SI and Imperial units.
Threaded & Socket Welded Steel Fittings - Pressure Classes vs. Schedules
Pressure classes, schedules and weights of pipes for threaded & socket welded fittings.
Vacuum Pumps - Exhaust Pipe Capacities
Capacities of vacuum pump exhaust pipes.
Welded Steel Pipes - Weights
Nominal weights of welded steel pipes ranging 26 - 60 inches.