Spezilla Tube Co., Ltd. (Shanghai)
Spezilla Tube Co., Ltd. Excellence in Stainless Steel Tubing
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Fully Annealed Stainless Steel Heat Exchanger Tube,welded heat exchanger
C71500 - Copper Nickel 30% is used for its corrosion resistant properties.
Typical Uses:
Industrial
Condensers, Boiler Parts, Heat Exchanger Components, Condenser Components, Process Equipment, Refrigerators, Propeller Sleeves, Ferrules, Heat Exchanger Tubes, Evaporator Tubes, Distiller Tubes, Condenser Plates, Weld Wire, Flexible Metal Hose, Pump Impellers, Welding Backing Rings
Marine
Valve Bodies, Sea Water Service, Sea Water Condensers, Salt Water Pipe Fittings, Water Boxes - Salt Water Applications, Salt Water Flanges, Salt Water Piping, Pump Bodies and Internal Parts-Sea Water, Fittings
| Alloy | Specifications |
| 70/30 CuNi 70-30 cu-ni 70 30 cu ni C715 C71500 CA 715 CDA 715 CuNi 70/30 Copper Alloy UNS C71500 Copper Nickel 30% Copper Nickel 715 Cupro Nickel 70/30 Cupronickel CuNi 70/30 CuNi30Fe | Bar ASTM B122, ASTM B151, MIL-C-15726F Pipe, Seamless ASME SB466, ASTM B466, MIL-T-16420K Pipe, Welded ASME SB467, ASTM B467, ASTM B608, MIL-T-16420K Seamless Condenser Tube MIL-T-15005F, ASME SB-111, ASTM B 111, Temper 061 (Annealed) Plate ASTM B122, MIL-C-15726 Plate, Clad ASTM B432 Plate, Condenser Tube ASME SB171, ASTM B171, SAE J461, J463 Rod ASTM B151, MIL-C-15726F Rod, Welding AWS A5.15 Sheet ASTM B122, MIL-C-15726F, SAEJ461, SAEJ463 Strip ASTM B122, MIL-C-15726 Tube, Condenser ASME SB111, ASTM B111, ASTM B552, MIL-T-15005, SAE J461, SAE J463 Tube, Finned ASME SB359, ASTM B359, MIL-T-22214 Tube, Seamless ASME SB466, ASTM B466, ASTM B469, MIL-T-16420 Tube, U-Bend ASME SB395, ASTM B395 Tube, Welded ASME SB543, ASTM B543, MIL-T-16420 Wire MIL-C-15726F |
| Specifications (ASTM/ASME) | ||||
| Alloy | UNS Designation | Material Specification | Tubing Specification | Pipe Specification |
| 70/30 Cu-Ni | C71500 | B 122 | B 543 | B 467 |
| B 552 | --- | |||
| Chemical Composition (%) | |
| Alloy | 70/30 Cu-Ni |
| UNS Designation | C71500 |
| Carbon (C) max. | 0.05 |
| Manganese (Mn) max. | 1.0 |
| Phosphorus (P) max. | 0.02 |
| Sulfur (S) max. | 0.02 |
| Nickel (Ni), Including Cobalt (Co) | 29.0 - 33.0 |
| Copper (Cu), Including Silver (Ag) | Balance¹ |
| Iron (Fe) | 0.40 - 1.0 |
| Lead (Pb) max. | 0.02 |
| Zinc (Zn) max. | 0.50 |
1 Copper plus elements with specific limits, 99.5% min.
| Typical Physical & Mechanical Properties - Annealed Condition (Room Temperature) | ||||||
| Alloy | UNS Designation | Minimum Tensile Strength | Minimum Yield Strength 0.5% Extension Under Load | Minimum Percent (%) Elongation in 2 inches (50.8 mm) | ||
| (psi) | (MPa) | (psi) | (MPa) | |||
| 70/30 Cu-Ni | C71500¹ | 52,000 | 360 | 18,000 | 126 | — |
| 70/30 Cu-Ni | C71500² | 52,000 | 360 | — | — | — |
| 70/30 Cu-Ni | C71500³ | 50,000 | 345 | 20,000 | 140 | 30 |
| 70/30 Cu-Ni | C71500⁴ | 45,000 | 310 | 15,000 | 105 | 30 |
1 Per ASTM B 543 specification.
2 Per ASTM B 552 specification.
3 Outside diameter 4-1/2" (114 mm) and under, per ASTM B 467 specification.
4 Outside diameter over 4-1/2" (114 mm), per ASTM B 467 specification.
