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Aluminum Brass Copper Seamless Tube ASME SB111 C68700 Heat Exchanger
Overview
Resistant to high velocity salt water and black water, it is commonly used for condenser tubes. the main feature of C68700 is its high resistance to impact attacks. Tubes of this alloy are recommended for use in marine and land-based power stations, where the cooling water velocity is high.
ASTM B111 / ASME SB 111 C68700 Brass Chemical Composition
| Chemical Composition | |
| Elements | Composition, % |
| Cu, incl. Ag | 76.0-79.0 |
| Sn | – |
| Al | 1.8-2.5 |
| Ni, incl. Co | – |
| Pb | 0.07 max |
| Fe | 0.06 max |
| Zn | Balance |
| Mn | 0.02-0.06 |
| As | – |
| Sb | – |
| P | – |
| Cr | – |
| Other named elements | – |
ASTM B111 / ASME SB 111 C68700 Admiralty Brass Mechanical
Properties
| Copper or Copper Alloy UNS No. | Temper Designation | Annealing temperature, °C | Tensile Strength, min | Yield Strength, min | HV | |||
| Code | Name | ksi | Mpa | ksi | Mpa | |||
| C68700 | O61 | Annealed | above 650 | 50 | 345 | 18 | 125 | 150 |
Application:
Test:
