鋳鉄(ちゅうてつ) Cast Iron / Gray Iron [sg_popup id="11273" event="click"]鉄[/sg_popup]と[sg_popup id="12261" event="click"]炭素[/sg_popup]二元合金で、[sg_popup id="9490" event="click"]オーステナイト[/sg_popup]の炭素[sg_popup id="4901" event="click"]固溶限[/sg_popup]である2%を超える炭素(2.1~3. ...