Forged 90/10 & 70/30 Copper-Nickel threaded fittings for marine and process piping — elbows, tees, unions, adapters and nipples, machined to Class 2000/3000/6000 dimensions.
Grades & Standards
Available grades and the dimensional & threading standards commonly applied to copper-nickel forged threaded fittings.
Standards Explained
Technical Data
Nominal composition and typical mechanical properties for 90/10 & 70/30 Copper-Nickel forging stock, per ASTM B124.
Chemical Composition (% by weight)
| Grade | UNS No. | Cu | Ni (incl. Co) | Fe | Mn | Pb (max) |
|---|---|---|---|---|---|---|
| 90/10 Copper Nickel | C70600 | Remainder | 9.0 – 11.0 | 1.0 – 1.8 | 1.0 max | 0.05 |
| 70/30 Copper Nickel | C71500 | Remainder | 29.0 – 33.0 | 0.4 – 1.0 | 1.0 max | 0.05 |
Typical values per ASTM B124 forging stock, mechanical properties referenced to ASTM B466 Table 2. Mill test certificates issued per EN 10204 3.1 on request.
Mechanical Properties — 90/10 & 70/30
| Property | Annealed | Half-Hard / Drawn |
|---|---|---|
| C70600 Tensile / Yield | 275 / 105 MPa | 310 / 205 MPa |
| C71500 Tensile / Yield | 372 / 140 MPa | 414 / 275 MPa |
| Elongation (both grades) | 30 – 35% | 18 – 20% |
| Density (both grades) | 8.94 g/cm³ | 8.94 g/cm³ |
Typical values; exact temper confirmed at enquiry stage.
Dimensions
Thread length, outside diameter, minimum wall thickness & center-to-end for 90° & 45° threaded elbows, per ASME B16.11 (Class 3000). Threads to ASME B1.20.1 (NPT). Class 2000 & 6000 available.
| NPS | Min. Thread Length (mm) | Outside Dia. (mm) | Min. Wall (mm) | 90° Center-to-End (mm) | 45° Center-to-End (mm) |
|---|---|---|---|---|---|
| 1/2" | 10.9 | 38 | 4.09 | 33 | 25 |
| 3/4" | 12.7 | 46 | 4.32 | 38 | 28 |
| 1" | 14.7 | 56 | 4.98 | 44 | 33 |
| 1-1/4" | 17.0 | 62 | 5.28 | 51 | 35 |
| 1-1/2" | 17.8 | 75 | 5.56 | 60 | 43 |
| 2" | 19.0 | 84 | 7.14 | 64 | 44 |
| 2-1/2" | 23.6 | 102 | 7.65 | 83 | 52 |
| 3" | 25.9 | 121 | 8.84 | 95 | 64 |
| 4" | 27.7 | 152 | 11.18 | 114 | 79 |
Dimensions per ASME B16.11, Class 3000 threaded 90°/45° elbows, NPS 1/2" – 4". Tee, coupling, union, plug & bushing dimensions available on drawing request. Threads & tolerances confirmed with every quotation.
Send us your drawings, sizes and standards — our team will get back to you with a detailed quotation for your Copper-Nickel, Copper, Brass or Bronze piping requirement.
