Steel classification (AISI / SAE)

Layer 2 — Chemistryin the Metallurgy and Alloys subtree

AISI-SAE 4-digit grade: 10xx plain-carbon, 41xx Cr-Mo, 43xx Ni-Cr-Mo, 304 / 316 austenitic stainless; ASTM, EN, JIS parallel naming systems used in different markets.

Related concepts

Boolean algebra
Bain (1928)
Hume-Rothery rules (1925)
Pauling metals (1948)
Hall-Petch (1951)

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