Steel couplings/coples for use on pipe fitting
for water heater.
Welding to fixed plate and connecting with drain valves for easy draining while ensure a good sealing.
| Designation | Chemical Composition | |||||
| C | Si | Mn | P≤ | S≤ | Al | |
| ML 08AL | 0.05~0.10 | 0.10 Max | 0.30~0.60 | 0.035 | 0.035 | ≥ 0.020 |