Stainless Steel

Stainless steel is available in a variety of specifications for different uses. The list below shows the different grades of stainless steel available and their properties.

Type	% Cr	% Ni	Properties
316	18	8	Non Magnetic, Corrosion Resistant, Austenitic.
321	18	8	Slight Magnetic, Corrosion and Heat Resistant, Austenitic.
304	18	8	Non Magnetic, General Purpose Steel, Austenitic.
303	18	8	Non Magnetic, Free Cutting Steel, Austenitic.
310	25	20	High Heat Resistant Stainless, Austenitic.
410	12		Cr Magnetic, Corrosion Resistant, Machinability, Martensitic.
416	12		Cr as above with Improved Machinability, Martensitic.
431	17	2	Magnetic, High Tensile Steel, Martensitic.
430	17		Cr Magnetic, Good Corrosion Resistance, Ferritic.

All of our boilers are made from top grade 316L stainless steel as this is the best suited material for corrosion resistant boilers.