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Selection of Stainless Steels and High Nickel alloys for fasteners, screws and bolting.

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Valbruna Grade Steel type Commercial name W.N. AISI UNS EN
AISL Austenitic Stainless Steel - 1.4301/1.4307 304/304L S30400/S30403 X5CrNi18-10/X2CrNi18-9
AIST Austenitic Stainless Steel - 1.4541 321 S32100 X6CrNiTi18-10
APML Austenitic Stainless Steel - 1.4401/1.4404 316/316L S31600/S31603 X5CrNiMo17-12-2/X2CrNiMo17-12-2
VAL4 Martensitic Stainless Steel - 1.4057 431 S43100 X17CrNi16-2
AN5 Corrosion Resistant Alloys Alloy 660 / Alloy A286 1.4980 - S66286 -