Material Specifications

We have a number of fin and tube combinations available as per need and situation. Here under are some materials which we commonly use in radiators and heat exchangers.

Tube Types

Solder coated brass tube (small) Single Coated

Tube dimensions: 11.55 x 2.2
Wall thickness: 0.11
Solder coating thickness: 0.02
Soldering grade: 30/70
Soldering: Internal side

Solder coated brass tube (large) Double Coated

Tube dimensions: 12.7 x 3.175
Wall thickness: 0.12
Tube pitch: 0.625”
Solder coating thickness: 0.02-0.05
Soldering grade: 30/70
Soldering: Internal side and External side

Seamless copper tube round

Tube dimensions: 9.5 Ø
Wall thickness: 0.375 Rad
Wall thickness: 0.508 O/C

Seamless copper tube flat

Tube dimensions: 12.7 x 3.175
Wall thickness: 0.345 Rad
Wall thickness: 0.508 O/C

Seamless copper tube small

Tube dimensions: 6.35 Ø
Wall thickness: 0.711

Fin Types

Copper Zigzag

Air way lowered type
Gauge: 0.045mm
Crimps per inch: 14
Lower height: 8.5mm

Copper Flat Fin

Gauge: 0.065mm for double coated radiators and 0.055mm for single coated radiators
Dimple size: 8mm Ø
Dimple Depth: 1mm
Slot size: 12.7 x 3.175
Slot walls: 1.6mm
Fin Hamming: 2mm both side

Tin Coated Copper

Gauge: 0.065mm
Soldering grade: 30/70
Soldering thickness: 0.02-0.025
Dimple size: 8mm Ø
Dimple Depth: 1mm
Slot size: 12.7 x 3.175
Slot walls: 1.6mm
Fin Hamming: 2mm both side

Aluminum

Gauge: 0.008mm
Dimple size: 8mm Ø
Dimple Depth: 1mm
Slot size: 12.7 x 3.175
Slot walls: 1.6mm
Fin Hamming: 2mm both side

Mild Steel

Gauge: 0.15mm
Soldering grade: 30/70
Soldering thickness: 0.02-0.025
Dimple size: 8mm Ø
Dimple Depth: 1mm
Slot size: 12.7 x 3.175
Slot walls: 1.6mm

Looking forward to serve you. Contact us now!

Open chat
Powered by