Pipe - CU, ASTM Type L (in)

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This datasheet is for Copper Tubing, ASTM Type L which is designated with a BLUE background color coded for identification.  For more information about copper tubing, visit our copper tubing page.

  • Governing Standard - ASTM B88
  • Application - Domestic Water Service and Distribution, Fire Protection, Solar, Fuel/Fuel Oil, Natural Gas, Liquified Petroleum (LP) Gas, HVAC, Snow Melting, Compressed Air, Vacuum
  • Commercially Available Lengths
    • Straight Length
      • 1/4 inch to 10 inch - 20' (drawn), 20' (annealed)
      • 12 inch - 18' (drawn), 18' (annealed)
    • Coils
      • 1/4 inch to 1 inch - N/A (drawn), 60' and 100' (annealed)
      • 1 1/4 inch and 1 1/2 inch - N/A (drawn), 60' (annealed)
      • 2 inch - N/A (drawn), 40' and 45' (annealed)
  • Type L is medium wall - hard or soft temper.

 

Pipe - CU, ASTM Type L (in)

Pipe Size

(NPS)

Outside Diameter

(in)

Inside Diameter

(in)

Wall Thickness

(in)

Weight of Tube

(lb/ft)

Weight of Tube and Water

(lb/ft)

Contents

(gal/ft)

1/4 3/8 0.315 0.03 0.126 0.16 0.00405
3/8 1/2 0.43 0.035 0.198 0.261 0.00753
1/2 5/8 0.545 0.04 0.285 0.386 0.0121
5/8 3/4 0.666 0.042 0.362 0.506 0.0174
3/4 7/8 0.785 0.045 0.455 0.664 0.0251
1 1 1/8 1.025 0.05 0.655 1.01 0.0429
1 1/4 1 3/8 1.265 0.055 0.884 1.43 0.0655
1 1/2 1 5/8 1.505 0.06 1.14 1.91 0.0925
2 2 1/8 1.985 0.07 1.75 3.09 0.161
2 1/2 2 5/8 2.465 0.08 2.48 4.54 0.248
3 3 1/8 2.945 0.09 3.33 6.27 0.354
3 1/2 3 5/8 3.425 0.1 4.29 8.27 0.478
4 4 1/8 3.905 0.11 5.38 10.1 0.571
5 5 1/8 4.875 0.125 7.61 15.7 0.971
6 6 1/8 5.845 0.14 10.2 21.8 1.39
8 8 1/8 7.725 0.2 19.3 39.6 2.44
10 10 1/8 9.625 0.25 30.1 61.6 3.78
12 12 1/8 11.565 0.28 40.4 85.8 5.45

    

Pipe - Cu, ASTM Type L, "Drawn" Tube Internal Working Pressure (in)

  • Type L internal working pressure is based on maximum allowable stress in tension (psi) for the indicated temperatures (°F).
Pipe Size

(NPS)

S = 10.3 ksi

100 F

S = 10.3 ksi

150 F

S = 10.3 ksi

200 F

S = 10.3 ksi

250 F

S = 10.0 ksi

300 F

S = 9.7 ksi

350 F

S = 9.4 ksi

400 F

1/4 1569 1569 1569 1569 1524 1478 1432
3/8 1341 1341 1341 1341 1302 1263 1224
1/2 1242 1242 1242 1242 1206 1169 1133
5/8 1086 1086 1086 1086 1055 1023 991
3/4 1002 1002 1002 1002 972 943 914
1 850 850 850 850 825 801 776
1 1/4 755 755 755 755 733 711 689
1 1/2 702 702 702 702 682 661 641
2 625 625 625 625 607 589 570
2 1/2 577 577 577 577 560 544 527
3 545 545 545 545 529 513 497
3 1/2 522 522 522 522 506 491 476
4 504 504 504 504 489 474 460
5 462 462 462 462 449 435 422
6 431 431 431 431 418 406 393
8 464 464 464 464 451 437 424
10 466 466 466 466 452 439 425
12 435 435 435 435 423 410 397

    

Pipe - Cu, ASTM Type L, "Annealed" Tube Internal Working Pressure (in)

  • Type L internal working pressure is based on maximum allowable stress in tension (psi) for the indicated temperatures (°F).
Pipe Size

(NPS)

S = 6.0 ksi

100 F

S = 5.1 ksi

150 F

S = 4.9 ksi

200 F

S = 4.8 ksi

250 F

S = 4.7 ksi

300 F

S = 4.0 ksi

350 F

S = 3.0 ksi

400 F

1/4 912 775 745 729 714 608 456
3/8 779 662 636 623 610 519 389
1/2 722 613 589 577 565 481 361
5/8 631 537 516 505 495 421 316
3/4 582 495 475 466 456 388 291
1 494 420 404 395 387 330 247
1 1/4 439 373 358 351 344 293 219
1 1/2 408 347 334 327 320 272 204
2 364 309 297 291 285 242 182
2 1/2 336 285 274 269 263 224 168
3 317 270 259 254 248 211 159
3 1/2 304 258 248 243 238 202 152
4 293 249 240 235 230 196 147
5 269 229 220 215 211 179 135
6 251 213 205 201 196 167 125
8 270 230 221 216 212 180 135
10 271 231 222 217 212 181 136
12 253 215 207 203 199 169 127

 

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