Forged 90/10 & 70/30 Copper-Nickel socket weld fittings for marine and process piping — elbows, tees, couplings and unions, machined to Class 3000/6000/9000 dimensions.
Grades & Standards
Available grades and the dimensional & threading standards commonly applied to copper-nickel forged socket weld 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
Socket depth, center-to-end & body wall thickness for 90° & 45° socket-weld elbows, per ASME B16.11 (Class 3000). Class 6000 & 9000 available for higher-pressure service.
| NPS | Min. Socket Depth (mm) | 90° Center-to-End (mm) | 45° Center-to-End (mm) | Min. Body Wall (mm) |
|---|---|---|---|---|
| 1/2" | 21.7 | 15.5 | 11.5 | 3.75 |
| 3/4" | 27.1 | 19.5 | 12.5 | 3.90 |
| 1" | 33.8 | 22.0 | 14.0 | 4.55 |
| 1-1/4" | 42.6 | 27.0 | 17.0 | 4.85 |
| 1-1/2" | 48.7 | 32.0 | 21.0 | 5.10 |
| 2" | 61.1 | 38.0 | 25.0 | 5.55 |
| 2-1/2" | 73.8 | 41.5 | 29.0 | 7.00 |
| 3" | 89.8 | 57.5 | 31.5 | 7.60 |
| 4" | 115.5 | 66.5 | 41.5 | 8.55 |
Dimensions per ASME B16.11, Class 3000 socket-weld 90°/45° elbows, NPS 1/2" – 4". Tee, coupling, union & cap 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.
