鋼 is a Japanese kanji written with 16 strokes, listed here under the keyword “steel”. It is built from 金 (gold) and 岡 (mount). In Remembering the Kanji by James W. Heisig it is frame 2113.
On KumiJi Glyph Explorer, open the parts search and type “gold” + “mount”. 鋼 is among the results, together with every other character containing the same shapes.
Open 鋼 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.