Grades of Stainless Steel
Austenitic stainless steels are non-magnetic and contain high levels of chromium and nickel and low levels of carbon. Known for their formability and corrosion resistance, they are the most widely used, with grades including 304, 304L and 316L. Roofing and cladding products sold by Aperam in the UK are made from highly corrosion resistant 316L
Ferritic stainless steels, by contrast, are magnetic and contain no nickel. Grades include 430, 436, 441 and 444. The Aperam brand for ferritic stainless steels is KARA, grades being listed as K41, K44 etc.
Roofing and cladding products sold by Aperam in the UK are made from K44 which has equivalent corrosion resistance to 316L.
“Stainless Steel – for design, structure and protection against the elements.”
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