EN 10217-7 1.4301 Extruded Fin Tube With Aluminum 1060 Fin For Air Heaters
EN 10217-7 1.4404 Chemical Composition Tables
Designation | Chemical composition (% by mass – max unless stated) | ||||||||||||
Steel name | Steel No. | C | Si | Mn | P | S | Cr | Mo | Ni | Cu | N | Other | |
Austenitic steel | |||||||||||||
X2CrNi18-9 | 1.4307 | 0.03 | 1.00 | 2.0 | 0.045 | 0.015 | 17.50 /19.5 | – | 8.0 /10.0 | – | 0.11 | – | |
X2CrNi19-11 | 1.4306 | 0.03 | 1.00 | 2.0 | 0.045 | 0.015 | 18.00 /20.0 | – | 10.0 /12.0 | – | 0.11 | – | |
X2CrNiN18-10 | 1.4311 | 0.03 | 1.00 | 2.0 | 0.045 | 0.015 | 17.00 /19.5 | – | 8.50 /11.5 | – | 0.12 /0.22 | – | |
X5CrNi18-10 | 1.4301 | 0.07 | 1.00 | 2.0 | 0.045 | 0.015 | 17.00 /19.5 | – | 8.00 /10.5 | – | 0.11 | – | |
X6CrNiTi18-10 | 1.4541 | 0.08 | 1.00 | 2.0 | 0.045 | 0.015 | 17.00 /19.0 | – | 9.00 /12.0 | – | – | Ti 5xC /0.70 | |
X6CrNiNb18-10 | 1.4550 | 0.08 | 1.00 | 2.0 | 0.045 | 0.015 | 17.00 /19.0 | – | 9.00 /12.0 | – | – | Nb 10xC /1.00 | |
X2CrNiMo17-12-2 | 1.4404 | 0.03 | 1.00 | 2.0 | 0.045 | 0.015 | 16.50 /18.5 | 2.0 /2.5 | 10.00 /13.0 | – | 0.11 | – | |
X5CrNiMo17-12-2 | 1.4401 | 0.07 | 1.00 | 2.0 | 0.045 | 0.015 | 16.50 /18.5 | 2.0 /2.5 | 10.00 /13.0 | – | 0.11 | – | |
XCrNiMoTi17-12-2 | 1.4571 | 0.08 | 1.00 | 2.0 | 0.045 | 0.015 | 16.50 /18.5 | 2.0 /2.5 | 10.50 /13.5 | – | – | Ti 5xC /0.70 |
The advantages of Extruded Fin Tube
The primary advantage of extruded finned tubes lies in their unparalleled heat transfer efficiency, achieved through a seamless bond and superior mechanical strength. While their initial cost is higher than simple finned tubes, they offer
higher thermal performance, enabling smaller and more compact heat exchangers for the same load.
Higher reliability and a longer service life reduce downtime and maintenance costs.
They are durable in demanding applications.
This makes them a top choice for critical applications such as power plants, refineries, HVAC systems, and industrial process cooling, where performance, reliability, and service life are paramount.
Applications
Air-cooled steam condenser (ACSC)
Generator hydrogen cooler
Radiant cooler
HVAC&R
Heating coils
Cooling/evaporator coils
Condenser coils