Specification Overview:
US Mil Spec 18001K outlines the composition and specifications for zinc alloy ballast tank anodes used in military applications. The document specifies the chemical composition, potential, and capacity of the anodes, as well as their physical dimensions and weight.

Composition:

• Iron (Fe): Maximum 0.005%
• Cadmium (Cd): 0.025-0.07%
• Copper (Cu): Maximum 0.005%
• Aluminium (Al): 0.10-0.50%
• Lead (Pb): Maximum 0.006%
• Others: Total maximum 0.10%
• Zinc (Zn): Remainder

Electrical Properties:

• Potential: Ag/AgCl -1.05 V
• Capacity: 780 Amp.hr/kg

Anode Specifications:
The document provides detailed specifications for various anode models, including dimensions and weights. The anodes are available in different core arrangements, such as straight core and double cranked core.

Anode Models:

• MTZ10: Overall dimensions: 742x63x63 mm, Net weight: 10.0 kg, Gross weight: 11.0 kg
• MTZ20: Overall dimensions: 1050x65x60 mm, Net weight: 19.0 kg, Gross weight: 20.0 kg
• MTZ22: Overall dimensions: 1600x60x62 mm, Net weight: 21.2 kg, Gross weight: 22.7 kg
• MTZ27: Overall dimensions: 1600x55x60 mm, Net weight: 26.5 kg, Gross weight: 28.0 kg
• MTZ30: Overall dimensions: 1600x60x62 mm, Net weight: 30.4 kg, Gross weight: 31.9 kg
• MTZ42: Overall dimensions: 2000x65x60 mm, Net weight: 42.0 kg, Gross weight: 44.0 kg

Additional Information:
A wide range of fixing arrangements and clamps are available from stock to accommodate various installation needs.