Astm Copper Tube B111-C44300 Or C68700 99.99% Copper Straight Tubes For Plumbing
Copper tube is also known as purple copper tube. A type of non-ferrous metal tube, it is a pressed and drawn seamless tube. Copper pipe has good electrical and thermal conductivity, and is the main material for conductive and heat dissipation fittings for electronic products, and has become the first choice of modern contractors for the installation of water pipes, heating and cooling pipes in all residential commercial buildings.
| Copper Tubing Sizes (CTS) for Plumbing[1] |
| Nominal | Outside diameter | Inside diameter (ID) |
| size | (OD) | [in (mm)] |
| | [in (mm)] | Type K | Type L | Type M |
| 3⁄8 | 1⁄2 (12.7) | 0.402 (10.211) | 0.430 (10.922) | 0.450 (11.430) |
| 1⁄2 | 5⁄8 (15.875) | 0.528 (13.411) | 0.545 (13.843) | 0.569 (14.453) |
| 5⁄8 | 3⁄4 (19.05) | 0.652 (16.561) | 0.668 (16.967) | 0.690 (17.526) |
| 3⁄4 | 7⁄8 (22.225) | 0.745 (18.923) | 0.785 (19.939) | 0.811 (20.599) |
| 1 | 1 1⁄8 (28.575) | 0.995 (25.273) | 1.025 (26.035) | 1.055 (26.797) |
| 11⁄4 | 1 3⁄8 (34.925) | 1.245 (31.623) | 1.265 (32.131) | 1.291 (32.791) |
| 11⁄2 | 1 5⁄8 (41.275) | 1.481 (37.617) | 1.505 (38.227) | 1.527 (38.786) |
| 2 | 2 1⁄8 (53.975) | 1.959 (49.759) | 1.985 (50.419) | 2.009 (51.029) |
| 21⁄2 | 2 5⁄8 (66.675) | 2.435 (61.849) | 2.465 (62.611) | 2.495 (63.373) |
Technical standards for copper and aluminum connecting tubes.
(1) Welding point: no porosity, crack, slag, burr and burn, no melting, no obvious oxide film, no plug hole, no obvious shrinkage (Φ6.3 hole greater than 3.0mm).
(2) Gas tightness: Use high pressure of 4.0MPa pressure for 5 minutes, no leakage.
(3) Pressure: After passing the air tightness check, slowly pressurize to 13MPa and hold for 1 minute without any cracks.
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Astm Plumbing Straight Copper Tube B111-C44300 C68700 99.99% Images
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