| Common Standards & Applications | ||
| Standard / Type | Equivalent Copper Grade(s) | Typical Application |
| ASTM B88 (Types K, L, M, DWV) | C12200 (Cu-DHP) | Plumbing, water service, drainage |
| ASTM B280 | C12200 | Air conditioning & refrigeration (ACR) |
| ASTM B68 / B75 | C10200, C10300, C10800, C12000, C12200 | General engineering, plumbing, heat exchangers |
| ASTM B447 (Welded Tube) | C10100, C10200, C11000, C12000, C12200, C14200 | General engineering |
| EN 1057 | Cu-DHP | Water, gas, sanitation, heating |
| EN 12449 | C10100, C10200, C12000, C12200 | General engineering (capillary tubes) |
| JIS H3300 | C1020, C1220, C1201 | General engineering, plumbing, gas |
| BS 2871 (Table X, Y, Z) | Cu-DHP | Water, gas (withdrawn, replaced by EN 1057) |
| Chemical Composition (Primary Grades) | |||
| Alloy Name | UNS | EN Designation | Copper Content (Min %) |
| Oxygen-Free Electronic (OFE) | C10100 | CW009A | 99.99 |
| Oxygen-Free (OF) | C10200 | CW008A | 99.95 |
| Electrolytic Tough Pitch (ETP) | C11000 | CW004A | 99.90 |
| Phosphorus Deoxidized, Low Residual (DLP) | C12000 | / | 99.90 |
| Phosphorus Deoxidized, High Residual (DHP) | C12200 | CW024A | 99.90 |
| Phosphorus Deoxidized, Arsenical | C14200 | / | 99.85 |
| Dimensional Specifications & Working Pressures | |||
| ASTM B88 Types K, L, M – Dimensions & Physical Characteristics | |||
| Nominal Size (in.) | Outside Diameter (in.) | Wall Thickness (in.) | Weight of Tube (lb/ft) |
| 1/2 | 0.625 | Type K: 0.049 / Type L: 0.040 / Type M: 0.028 | K: 0.314 / L: 0.285 / M: 0.204 |
| 3/4 | 0.875 | Type K: 0.065 / Type L: 0.045 / Type M: 0.032 | K: 0.551 / L: 0.428 / M: 0.328 |
| 1 | 1.125 | Type K: 0.065 / Type L: 0.050 / Type M: 0.035 | K: 0.745 / L: 0.660 / M: 0.465 |
| 2 | 2.125 | Type K: 0.083 / Type L: 0.070 / Type M: 0.058 | K: 2.06 / L: 1.75 / M: 1.46 |
| BS 2871 Metric Sizes – Maximum Working Pressures (N/mm²) | ||||
| Nom. Diameter (mm) | Outside Diameter (mm) | Table X (Half Hard) Wall/Working Pressure | Table Y (Half Hard & Annealed) Wall/Working Pressure | Table Z (Hard) Wall/Working Pressure |
| 15 | 15.0 | 0.7 mm / 5.8 N/mm² | 1.0 mm / 6.7 N/mm² | 0.5 mm / 5.0 N/mm² |
| 22 | 22.0 | 0.9 mm / 5.1 N/mm² | 1.2 mm / 5.7 N/mm² | 0.6 mm / 4.1 N/mm² |
| 28 | 28.0 | 0.9 mm / 4.0 N/mm² | 1.2 mm / 4.2 N/mm² | 0.6 mm / 3.2 N/mm² |
| 54 | 54.0 | 1.2 mm / 2.7 N/mm² | 2.0 mm / 3.6 N/mm² | 0.9 mm / 2.5 N/mm² |
| 108 | 108.1 | 1.5 mm / 1.7 N/mm² | 2.5 mm / 2.2 N/mm² | 1.2 mm / 1.7 N/mm² |
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