piano; CL:架[jia4],臺|台[tai2]

steel

fountain pen; CL:支[zhi1]

pianist

steel wire; tightrope

steel reinforcing bar

steel plate

pianist

steel knife; sword

made of steel; steel (bar, screw, product etc)

a steelworks

pitchfork; garden fork; restraining pole (used by police); military fork (of ancient times)

wheel rim; underwire (in a bra)

billet (steel industry)

see 鋼城區|钢城区[Gang1 cheng2 Qu1]

Gundam, Japanese animation franchise

steel (as raw material); steel sheets, bars, tubes, ingots, wire etc

steel bar

rifle

iron pillar; iron rod

steel beam; girder

steel ball; bearing ball

metal helmet; (military) helmet

metal window

steel pipe; pole (in pole dancing)

iron arrow

steel cable; wire cable; steel hawser

spray (or sparks) of molten steel

steel rail

(mining) drill rod; drill steel

hacksaw

small coin; dime

mace (weapon)

stainless steel scourer

hawser; steel rope

combination pliers; lineman's pliers

jigsaw (saw with steel wire blade)

Gangcheng, a district of Jinan City 濟南市|济南市[Ji3 nan2 Shi4], Shandong

celesta

pole dancing

Iron Man, comic book superhero

iron and steel works; steelworks

reinforced glass

piano performance

reinforced concrete

Beijing Steel and Iron Institute (the former name of 北京科技大學|北京科技大学[Bei3 jing1 Ke1 ji4 Da4 xue2], University of Science and Technology Beijing)

steel industry

(slang) an extremely "straight" man: direct, literal-minded, practical and unromantic, and emotionally obtuse

reinforced concrete