| Standard:: | ASME SB111 | Material:: | C68700 |
|---|---|---|---|
| Testing: | ET， HT， Flattening Test; Expansion Test， Mercurous Nitrate Test; Ammonia Vapor Test; Chemical Analysis; Microscopical Examination; Tension Testing. | Application: | Heat Exchanger/Condenser |
| Size: | 6-2500mm | W.T.: | 3-15mm |
| High Light: | Aluminum Brass Copper Seamless Tube， C68700 Copper Seamless Tube， Condenser Copper Alloy Tube 6mm | ||
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:
- Evaporator Tubing
- Heat Exchanger Tubing
- Condenser Tube Plates
- Distiller Tubes
- Oil Well Pump Liner
- Condenser Tubes
Test:
- Pitting Tests
- Intergranular Corrosion Test
- Chemical Analysis
- Hardness Test
