Material performance is central to the reliability of every component we produce. At Uni Abex, alloy development forms a critical part of our Engineering Research & Development activities, enabling us to design materials that perform reliably under demanding industrial conditions.
Our metallurgical team continuously develops and refines proprietary alloy systems to address challenges such as carburization, creep deformation, thermal fatigue, corrosion and wear. These materials are engineered through controlled chemistry, casting discipline and process validation to ensure consistent performance in real operating environments.
Working closely with plant engineers, furnace designers and OEM partners, we develop application-specific alloy solutions that align with process requirements and operating conditions.
| Alloys | Equivalent Grades | Applications | Temperature Range in Degree Celsius |
|---|---|---|---|
| Thermalloy 22H (NiCr28W) | EN 10295 (2.4879) ISO 13583-2 (2.4879) | DRI Reformer/Catalyst tubes, Radiant tube Assembly, etc. | 1150 - 1200 |
| Thermalloy 35-45 MA (35Cr45NiNb-Al) | EN 10295 (1.4889), ISO 13583-2 (1.4839) | Radiant Coils/Ethylene cracking tubes with improved decoking | 1150 - 1200 |
| Thermalloy 35-45 Micro (35Cr45NiNb) | EN 10295 (1.4889), ISO 13583-2 (1.4839) | Radiant Coils/Ethylene cracking tubes | 1150 - 1200 |
| Themalloy 64 Micro R (25Cr35NiSiNbTi/R with Micro additions) | ASTM A608 HPNbTi, EN 1.4852, ISO 1.4838 | Reformer/Catalyst tubes, radiant tubes | 1100 – 1150 |
| Thermalloy 64 Micro (25Cr35NiSiNbTi with Micro additions) | ASTM A608 HPNbTi, EN 1.4852, ISO 1.4838 | Reformer/Catalyst tubes, radiant tubes | 1050 – 1100 |
| Thermalloy 64 LC (25Cr35NiNb) | ISO 1.4851 | Outlet tubes, outlet header assemblies, reducers, supports, ladders, etc. | 950 - 1050 |
| Thermalloy 54 (20Cr32NiNb) | ASTM A35 CT15C, EN 1.4859, ISO 1.4859 | Outlet tubes, outlet header assemblies, reducers, supports, ladders, etc | 900 - 1000 |
| Grades | C | Si | S | P | Mn | Cr | Ni | Nb | Mo | W | Pb | Sn | Cu | Micro Add |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thermalloy 22H Modi | 0.48 | 2.00 Max | 0.025 Max | 0.030 Max | 1.50 Max | 28.00 | 48.00 | 1.20 | 0.50 Max | 5.00 | 0.005 Max | 0.010 Max | 0.30 Max | Ti |
| Thermalloy 35-45 MA | 0.42 | 1 Max | 0.020 Max | 0.030 Max | 1 Max | 34 | 44 | 0.65 | 0.50 Max | 0.005 Max | 0.010 Max | 0.30 Max | AL-3/4 | |
| Thermalloy 35-45 Micro | 0.42 | 1.5 Max | 0.020 Max | 0.030 Max | 1.5 Max | 35 | 45 | 1 | 0.50 Max | 0.005 Max | 0.010 Max | 0.30 Max | Ti | |
| Thermalloy 64 MR | 0.42 | 1.00 Max | 0.025 Max | 0.030 Max | 1.50 Max | 25.50 | 35.50 | 0.90 | 0.50 Max | Add | 0.005 Max | 0.010 Max | 0.30 Max | Ti & R |
| Thermalloy 64 Micro | 0.42 | 1.00 Max | 0.025 Max | 0.030 Max | 1.50 Max | 25.50 | 35.50 | 0.90 | 0.50 Max | Add | 0.005 Max | 0.010 Max | 0.30 Max | Ti & W |
| Thermalloy 64 LC | 0.13 | 1.50 Max | 0.025 Max | 0.030 Max | 1.50 Max | 25.50 | 35.50 | 1.00 | 0.50 Max | 0.005 Max | 0.010 Max | 0.30 Max | Ti | |
| Thermalloy 54 | 0.12 | 1.50 Max | 0.020 Max | 0.030 Max | 1.50 Max | 21.00 | 32.00 | 1.00 | 0.50 Max | 0.005 Max | 0.010 Max | 0.30 Max |
Partner with Uni Abex to identify the right alloy solution for your operating conditions and performance requirements.