Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

This is an AMP page - Open full page! for all features.

Working Pressure Copper Tubes Type K, L and M

ASTM B88 seamless copper water tubes - working pressures

Sponsored Links

Working pressure of copper tubes type K, L and M are indicated in the table below.

Ratings based on service temperature max. 150oF (66oC).

  • yield strength S = 5100 psi (35 GPa) for annealed
  • yield strength S = 10000 psi (69GPa) for drawn tube

Copper tube - Type K

Nominal Size
(in)
Working Pressure (psi)
Load Calculator!
Actual Burst Pressure (psi)
Load Calculator!
AnnealedDrawnAnnealedDrawn
1/4 913 1796
3/8 960 1889
1/2 758 1490 4535 9840
5/8 626 1229
3/4 724 1424 4200 9300
1 557 1093 3415 7200
1 1/4 452 888 2800 5525
1 1/2 420 825 2600 5000
2 370 726 2235 3915
2 1/2 338 664 3575
3 328 643 3450
3 1/2 311 610
4 306 600 3415
5 293 575 3585
6 295 578 3425
8 314 615 3635
10 314 615
12 314 615

Copper tube - Type L

Nominal Size
(in)
Working Pressure (psi)
Load Calculator!
Actual Burst Pressure (psi)
Load Calculator!
AnnealedDrawnAnnealedDrawn
1/4 775 1524
3/8 662 1302
1/2 613 1206 3885 7765
5/8 537 1055
3/4 495 972 2935 5900
1 420 825 2650 5115
1 1/4 373 733 2400 4550
1 1/2 347 682 2200 4100
2 309 607 1910 3365
2 1/2 285 560 3215
3 270 529 2865
3 1/2 258 506
4 249 489 2865
5 229 449 2985
6 213 418 2690
8 230 451 2650
10 231 452
12 215 423

Copper tube - Type M

Nominal Size
(in)
Working Pressure (psi)
Load Calculator!
Working Pressure (psi)
Load Calculator!
AnnealedDrawnAnnealedDrawn
3/8 485 953
1/2 420 825 6135
3/4 346 680 4715
1 286 563 3865
1 1/4 287 565 3875
1 1/2 282 553 3550
2 254 499 2935
2 1/2 233 457 2800
3 215 423 2665
3 1/2 214 421
4 213 419 2215
5 198 388 2490
6 186 364 2000
8 195 382 2285
10 195 383
12 195 383
  • 1 N/mm2 = 106 Pa (N/m2) = 1 MPa = 10 bar = 1.020x105 kp/m2 = 102.0 m H2O = 9.869 atm = 145.0 psi (lbf/in2)
  • 1 in = 25.4 mm
Sponsored Links

Related Topics

Related Documents

Sponsored Links

Share

Search Engineering ToolBox

  • the most efficient way to navigate the Engineering ToolBox!

SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro .Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

Privacy

We don't collect information from our users. Only emails and answers are saved in our archive. Cookies are only used in the browser to improve user experience.

Some of our calculators and applications let you save application data to your local computer. These applications will - due to browser restrictions - send data between your browser and our server. We don't save this data.

Google use cookies for serving our ads and handling visitor statistics. Please read Google Privacy & Terms for more information about how you can control adserving and the information collected.

AddThis use cookies for handling links to social media. Please read AddThis Privacy for more information.

Topics

Unit Converters

Temperature

oC
oF


Load Calculator!

Length

m
km
in
ft
yards
miles
naut miles


Load Calculator!

Area

m2
km2
in2
ft2
miles2
acres


Load Calculator!

Volume

m3
liters
in3
ft3
us gal


Load Calculator!

Weight

kgf
N
lbf


Load Calculator!

Velocity

m/s
km/h
ft/min
ft/s
mph
knots


Load Calculator!

Pressure

Pa (N/m2)
bar
mm H2O
kg/cm2
psi
inches H2O


Load Calculator!

Flow

m3/s
m3/h
US gpm
cfm


Load Calculator!

8 23

This website use cookies. By continuing to browse you are agreeing to our use of cookies! Learn more