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

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) Actual Burst Pressure (psi)
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) Actual Burst Pressure (psi)
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) Working Pressure (psi)
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

Tag Search

  • en: water copper tubes pipes pressure working
Sponsored Links

Search the Engineering ToolBox

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

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 Pro Sketchup Extension Warehouse!

Translate this page to
About the Engineering ToolBox!

Citation

This page can be cited as

  • Engineering ToolBox, (2003). Working Pressure Copper Tubes Type K, L and M. [online] Available at: https://www.engineeringtoolbox.com/copper-tubes-dimensions-pressure-d_84.html [Accessed Day Mo. Year].

Modify access date.

Customize Ads in the ToolBox

Make ads more useful in Google Ad Settings .

. .

close

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Scientific Online Calculator

Scientific Calculator

11 2

Sponsored Links
.