ASTM B111/ASME SB111 UNS C71500 SEAMLESS TUBE COPPER NICKEL ALLOY
CONDENSER USE
We are one of the biggest manufactures of stainless steel &
duplex steel & alloy steel tubes and pipes in China. With
development more than 20 years, we have accumulated a great many
clients all around the world and Yuhong products also won the great
praise among the customers.
C70600 (C706) & C71500 (C715), Copper nickel offers excellent
corrosion resistance, especially in marine salt water environments.
The main, wrought copper-nickel alloys chosen for sea water service
contain 10 or 30 percent nickel. They also have important additions
of iron and manganese which are necessary to maintain good
corrosion resistance. Some of the primary uses for C706 include
copper nickel fittings (CuNi Fittings) as well as condensers and
exchanger shells.
Overview
Copper Nickel alloy Tube has extremely well resistance to
biofouling and marine corrosion, and possess good fabricability.
Copper gains more strength and corrosion resistance when nickel is
added to it. UNS C71500 copper nickel alloy has medium high
strength and good creep resistance at high temperatures. This alloy
is expensive in comparison with copper-aluminum alloys and other
alloys with similar mechanical properties. C71500 copper-nickel is
an alloy of copper, further classified as a copper-nickel . CW354H
is the EN numeric designation for this material. C71500 is the UNS
number. Additionally, the EN chemical designation is CuNi30Mn1Fe.
The British Standard (BS) designation is CN107. And the industry
name is Cupronickel 70/30.
Specification
ASTM B111/B111M Standard Specification for Copper and Copper-Alloy
Seamless Condenser Tubes and Ferrule Stock.
| Standard Grade | ASTM B111 C71500 | EN 12451 CuNi30Mn1Fe (CW354H) | DIN 17664/1785 CuNi30Mn1Fe | BS 2871 CN107 | JIS H3300 C7150 | GB/T 8890 BFe30-1-1 |
| Cu | Bal. | Bal. | Bal. | Bal. | Bal. | Bal. |
| Pb | 0.05 max | 0.02 max | 0.03 max | 0.01 max | 0.05 max | 0.02 max |
| Fe | 0.4-1.0 | 0.4-1.0 | 0.4-1.0 | 0.4-1.0 | 0.2-1.0 | 0.5-1.0 |
| Ni | 29.0-33.0 | 30.0-32.0 | 30.0-32.0 | 30.0-32.0 | 29.0-33.0 | 29.0-32.0 |
| Zn | 1.0 max | 0.5 max | 0.5 max | - | 0.5 max | 0.3 max |
| S | - | 0.05 max | 0.06 max | 0.08 max | - | 0.05 max |
| P | - | 0.02 max | - | - | - | 0.06 max |
| Mn | 1.0 max | 0.5-1.5 | 0.5-1.5 | 0.5-1.5 | 0.2-1.0 | 0.5-1.2 |
| C | - | 0.05 max | 0.06 max | 0.06 max | - | 0.05 max |
| Sn | - | 0.05 max | - | - | - | 0.03 max |
| Total Impurities | - | 0.2 max | 0.1 max | 0.3 max | - | 0.7 max |
| Condition | O61 | R370 | F37 | M | O | M |
| HR50 | R480 | - | O | - | Y2 |
| - | - | - | - | - | - |
| Yield Strength N/mm2 | 125 min | 120 min | 120-220 | - | - | - |
| 345 min | 300 min | - | - | - | - |
| - | - | - | - | - | - |
| Tensile Strength N/mm2 | 360 min. | 370 min | 370 min | - | 363 min | 370 min |
| 495 min. | 480 min | - | - | - | 490 min |
| - | 480 min. | - | - | - | - |
| Elongation (%) | - | 35 min | 35 min | - | 30 min | 30 min |
| 12min. (WT<1.21 mm) | 12 min | - | - | - | 10 min |
| 15min. (WT>1,21 mm) | - | - | - | - | - |
| Hardness Hv5 | - | - | - | 150 min | - | - |
| - | - | - | 90-120 | - | - |
| - | - | - | - | - | - |
Chemical Composition
| | Cu | Pb | Zn | Fe | Ni | Mn |
| Min (%) | | | | 0.40 | 29.00 | |
| Max (%) | Rem | 0.05 | 1.00 | 1.00 | 33.00 | 1.00 |
Mechanical Properties
| Form | Temper | Temper Code | Tensile Strength (ksi) | YS-0.5% Ext (ksi) | Elongation (%) | Rockwell B scale | Rockwell F scale | Section Size (in) | Cold Work (%) |
| Flat Products | As Hot Rolled | M20 | 55 Typ | 20 Typ | 45 Typ | 35 Typ | - | 1 | |
| Rod | 1/2 Hard | H02 | 75 Typ | 70 Typ | 15 Typ | 80 Typ | - | 1 | 20 |
| Tube | Nominal Grain Size 0.025 mm | OS025 | 60 Typ | 25 Typ | 45 Typ | 45 Typ | 80 Typ | - | - |
Nominal Grain Size 0.035 mm | OS035 | 54 Typ | - | 45 Typ | 36 Typ | 77 Typ | - | - |
Application:
- Chillers
- Heat Condensers & Exchangers
- Power Plants
- Refineries
- Desalination Plants
- Ship Building & Ship Repairs
- High Capacity Power Plants
- Distiller Tubes
- Evaporators & Ferrules
