Nickel Aluminum Bronze Chemical Compatibility

Galvanic corrosion some times called dissimilar metal corrosion is the process by which the materials in contact with each other oxidizes or corrodes.

Nickel aluminum bronze chemical compatibility.

Nibco chemical resistance guide for valves fittings. 6 15 corrosion resistance of nickel aluminium bronze in chemical environments 6 15 1 sulphuric acid 6 15 2 acetic acid 6 15 3 hydrochloric acid 6 15 4 phosphoric acid 6 15 5 hydrofluoric acid 6 15 6 nitric acid 6 15 7 alkalis 6 15 8 salts 6 15 9 other corrosive chemical environments. Where it is possible the unit will be subjected to high humidity that is not salt laden then the. The nickel aluminium bronze alloys are fairly complex materials and during manufacture require good control of the metal structure by attention to composition and heat treatment.

As such it is the purpose of this publication to provide an engineering overview of the properties of the. The different bronze alloys each have unique resistant qualities to various chemicals that make them the ideal bronze alloys for specific environments. There are three conditions that must exist for galvanic corrosion to occur. Specifications applications properties techniques corrosion resistance properties and enineering.

The information in this chart has been supplied by reputable sources and is to be used only as a guide in selecting equipment for appropriate chemical compatibility always test your equipment under the specific. Aluminum bronze the most widely accepted disc material used in butterfly valves aluminum bronze is heat treatable and has the strength of steel. Aluminum bronze chemical 302 304 316 316l 316lvm c 276 x750 12614 leadloy 7075 t6 6061 t6 2024 t4 acid hydrofluosilicic a a a a a a na na na na na na na acid hypochlorous a a a a a. Quality engineering and design requires an understanding of material compatibility.

Paul foundry 954 minnehaha ave west st. Chemical compatibility guide for metallic materials. Check the chemical compatibility of aluminum with various chemicals solvents alcohols and other products. For units which will be subjected to salt spray or salt water metal should be chosen where the potential difference is less than 0 25v.

Before permanent installation test the equipment with the chemicals and under the specific conditions of your application. We have developed a quick reference chart of the 3 most popular bronze alloys c93200 c95400 c86300 and. C95800 nickel aluminum bronze. Magnesium zinc aluminum cadmium iron steel chromium brass copper bronze nickel monel stainless steel 1.

Aluminum chemical compatibility chart. Aluminum brass bronze sand castings. The information in this chart has been supplied to cole parmer by other reputable sources and is to be used only as a guide in selecting equipment for appropriate chemical compatibility. One of the many advantages of bronze alloys are their resistance to multiple chemicals.