CONCOA Resources
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Welcome! This page has been designed with the user and distributor in mind. The information contained within these links and pages will help you select and configure the right system for your customer or application. If you should need additional help, feel free to contact us directly at 1.800.225.0473 or via our contact page.
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Gas Properties Reference and Materials Compatibility (see key below chart)
| Gas | Brass |
SS |
Aluminum |
| Acetylene | 1 |
• |
N/A |
| Air | • |
• |
• |
| Ammonia | X |
• |
• |
| Argon | • |
• |
• |
| Arsine | • |
• |
2 |
| Butane | • |
• |
• |
| Carbon Dioxide | • |
• |
• |
| Carbon Monoxide | • |
• |
• |
| Chlorine | X |
• |
X |
| Ethane | • |
• |
• |
| Ethylene | • |
• |
• |
| Helium | • |
• |
• |
| Hydrogen | • |
• |
• |
| Hydrogen Chloride | X |
• |
X |
| Hydrogen Sulfide | X |
• |
• |
| Isobutane | • |
• |
• |
| Krypton | • |
• |
• |
| Methane | • |
• |
• |
| Methyl Chloride | • |
• |
X |
| Neon | • |
• |
• |
| Nitric Acid | X |
• |
• |
| Nitrogen | • |
• |
• |
| Nitrous Oxide | • |
• |
• |
| Oxygen | • |
3 |
2 |
| Phosphine | N/A |
• |
• |
| Propane | • |
• |
• |
| Propylene | • |
• |
• |
| Silane | • |
• |
• |
| Sulfur Hexafluoride | • |
• |
• |
| Xenon | • |
• |
• |
Key:
• |
Satisfactory for use with the intended gas
|
X |
Unsatisfactory for use with the intended gas
|
1 |
Satisfactory with brass having a low (65-70% max) copper content. Brass with higher copper content is unacceptable
|
2 |
Generally unsatisfactory, except where specific use conditions have proven acceptable. |
3 |
Satisfactory below 3000 psig (206.9 bar) where gas velocities do not exceed 30 ft./sec. |
N/A |
No information available to determine compatibility. |