| iron nuclei | Eisenkerne |
| iron nucleus | Eisenkern |
| iron ore | Eisenerz |
| iron ore mine | Eisenerzgrube |
| iron ore mines | Eisenerzgruben |
| iron out | bereinigen |
| Iron oxide | Eisenoxid |
| iron oxide electrode | Elektrode |
| iron oxide layer | Eisenoxidschicht |
| iron oxide yellow | Eisenoxidgelb |
| iron oxides | Eisenoxide |
| iron part | Eisenteil |
| iron parts | Eisenteile |
| iron pentacarbonyl | Eisenpentacarbonyl |
| iron picrate | Eisenpikrat |
| iron pig | Roheisenmassel |
| Iron pillar | Eiserne Säule |
| iron pin | Eisenstift |
| iron plant | Schusterpalme |
| iron plate | Eisenblech |
| iron poisoning | Eisenvergiftung |
| iron pole | Eisenstange |
| iron porphyrin enzyme | Eisenporphyrinenzym |
| iron Portland cement | Eisenportlandzement , EPZ |
| iron powder | Eisenpulver |
| iron power | eiserne Kraft |
| iron preparation | Eisenpräparat |
| iron production industry | Eisen produzierende Industrie |
| iron prussiate | Eisenblau |
| iron putty | Eisenoxidhydratkitt |
| iron pyrite | Pyrit |
| Iron pyrites | Pyrit |
| iron ration | eiserne Ration |
| iron rations | die eiserne Reserve |
| iron research | Eisenforschung |
| Iron Rhine | Eiserner Rhein |
| iron ring | Eisenring |
| iron road | Klettersteig |
| iron rod | Eisenstab |
| iron rods | Eisenstangen |
| iron rolling mill | Eisenwalzwerk |
| iron rose | Rötel |
| iron sand | Eisensand |
| iron sandstone | eisenhaltiger Sandstein |
| iron scrap | Schrott |
| iron sheet | Blecheisen |
| Iron Sheik | Hossein Khosrow Vaziri |
| iron shot | Eisenmurmel |
| iron sight | offenes Visier |
| iron silicide | Fesi |
| iron soldering | Kolbenlöten |
| iron sponge storage | Eisenschwammspeicher |
| iron stain | Eisenfärbung |
| iron stains | Rostflecken |
