Advanced Alloy Solutions

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.

Proprietary Alloys

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

Chemical Composition

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

Engineered Alloys for Demanding Applications

Partner with Uni Abex to identify the right alloy solution for your operating conditions and performance requirements.