Square Soft Iron Anode Block

Premium soft iron anode guards copper alloys against stress corrosion. Ideal for heat exchangers, condensers, and power plant cooling systems.


The soft iron anode effectively guards against stress corrosion of copper alloys, making it a top choice for safeguarding copper alloy tubes in various applications such as heat exchangers, condensers, and power plant cooling systems. Additionally, its low carbon content renders it suitable for use as a positive electrode.

Quality Substrate Material

Crafted from premium-grade materials meeting Armco iron standards, our soft iron anode ensures exceptional quality and performance.

Element Content
Manganese (Mn) 0.2% max.
Copper (Cu) 0.2% max.
Aluminum (Al) 0.1% max.
Cadmium (Cd) 0.1% max.
Silicon (Si) 0.01% max.
Nickel (Ni) 0.001% max.
Phosphorus (P) 0.01% max.
Sulphur (S) 0.007% max.
Carbon (C) 0.004% max.
Iron (Fe) Remainder


Easy Installation
The soft iron block anode is directly installed without any covering, ensuring direct contact with the surface of the protected structure.

Strict Quality Control
Adhering to ISO 9001:2015 guidelines, our soft iron anodes undergo meticulous manufacturing, inspection, and testing processes to maintain superior quality standards.

Customized Configurations
With a wealth of production expertise spanning more than five decades, we offer tailored customization of anode shapes, sizes, and lifespan to suit your individual requirements upon inquiry.

Item No. Width Height Weight
KA-FE-S44 3.9” (100 mm) 1.2” (30 mm) 2.0 kg (4.4 lbs)
KA-FE-S110 5.9” (150 mm) 1.2” (30 mm) 5.0 kg (11.0 lbs)
KA-FE-S209 6.3” (160 mm) 2.0” (50 mm) 9.5 kg (20.9 lbs)
KA-FE-S309 7.9” (200 mm) 2.0” (50 mm) 14.0 kg (30.9 lbs)