<![CDATA[
<p><span data-ke-size="size23"><span style="color: #000000; background-color: #dedede;">AC4B－F</span><span style="color: #000000; background-color: #dedede;"> </span><span style="color: #000000; background-color: #dedede;">금형</span></span></p><p style="text-align: center;"> </p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td>AC4B－F 금형</td></tr></tbody></table></div><p style="text-align: right;"> </p><p style="text-align: right;">(mass%)</p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td>원소명</td><td>원소 상한</td><td>원소 하한</td></tr><tr><td>Si</td><td>10</td><td>7</td></tr><tr><td>Fe</td><td>1</td><td>－</td></tr><tr><td>Cu</td><td>4</td><td>2</td></tr><tr><td>Mn</td><td>0.5</td><td>－</td></tr><tr><td>Mg</td><td>0.5</td><td>-</td></tr><tr><td>Cr</td><td>0.2</td><td>－</td></tr><tr><td>Zn</td><td>1</td><td>－</td></tr><tr><td>Pb</td><td>0.2</td><td>－</td></tr><tr><td>Ti</td><td>0.2</td><td>－</td></tr><tr><td>Ni</td><td>0.35</td><td>－</td></tr><tr><td>Sn</td><td>0.1</td><td>－</td></tr></tbody></table></div><p style="text-align: right;"> </p><p> </p><p>물리적 성질</p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td>밀도 (20℃)</td><td>2.77（Mg/m3）</td></tr><tr><td>액상선 온도</td><td>590～（℃）</td></tr><tr><td>고상선 온도</td><td>520（℃）</td></tr><tr><td>선팽창계수 (-50～20℃)</td><td>－</td></tr><tr><td>선팽창계수 (20～100℃)</td><td>21（×10-6/℃）</td></tr><tr><td>선팽창계수 (20～200℃)</td><td>22（×10-6/℃）</td></tr><tr><td>선팽창계수 (20～300℃)</td><td>23（×10-6/℃）</td></tr><tr><td>체적팽창계수 (20℃)</td><td>－</td></tr><tr><td>비열 (20℃)</td><td>963（J/kg・℃）</td></tr><tr><td>열전도도 (20℃)</td><td>96（W/(m・℃)）</td></tr><tr><td>전기전도돋 (20℃)</td><td>－</td></tr><tr><td>비전기저항 (20℃)</td><td>－</td></tr><tr><td>비고</td><td>열전도도：25℃</td></tr></tbody></table></div><p style="text-align: center;"> </p><p> </p><p>실온에서의 표준적인 기계적 성질</p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td>인장강도 지표</td><td>195～295 N/mm2</td></tr><tr><td>인장강도</td><td>270（N/mm2）</td></tr><tr><td>0.2%내력</td><td>180（N/mm2）</td></tr><tr><td>연신력</td><td>2.2（%）</td></tr><tr><td>경도ＨＢ</td><td>84</td></tr><tr><td>샤루피 충격치</td><td>25（kJ/ m2）</td></tr><tr><td>전단강도</td><td>－</td></tr><tr><td>피로강도</td><td>95（N/mm2）</td></tr><tr><td>응력 비틀림 도표</td><td>－</td></tr><tr><td>종탄성계수（인장）</td><td>76 (kN/mm2）</td></tr><tr><td>종탄성계수（압축）</td><td>－</td></tr><tr><td>전단탄성계수</td><td>25（kN/mm2）</td></tr><tr><td>푸아송비</td><td>－</td></tr><tr><td>실체강도（최소치）</td><td>186（N/mm2）</td></tr><tr><td>실체강도（최대치）</td><td>245（N/mm2）</td></tr><tr><td>실체강도（총평균치）</td><td>－</td></tr><tr><td>실체연신력（최소치）</td><td>－</td></tr><tr><td>실체연신력（최대치）</td><td>－</td></tr><tr><td>실체연신력（총평균치）</td><td>－</td></tr><tr><td>비고</td><td><br><br></td></tr></tbody></table></div><p> </p><p><b>용접성</b></p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td> 용접성</td><td> 우수</td></tr></tbody></table></div><p> </p><p><b>기계가공성</b></p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td> 절삭성</td><td> 우수</td></tr><tr><td> 연마성</td><td> 열등</td></tr></tbody></table></div><p> </p><p><b>표면처리성</b></p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td> 양극산화처리성</td><td> 우열</td></tr><tr><td> 양극산화외관</td><td> 열등</td></tr></tbody></table></div><p> </p><p><span style="color: #000000;"><b>기타 특성​</b></span></p><p style="text-align: justify;"> </p><div class="table-wrap"><table data-ke-type="table" data-ke-align="alignLeft" style="width: 100%;" border="1"><tbody><tr><td> 압탕효과</td><td> 우수</td></tr><tr><td> 수축 균열 경향</td><td> 양호</td></tr><tr><td> 내 기밀성</td><td> 우수</td></tr><tr><td> 충진성</td><td> 우수</td></tr><tr><td> 가주성(주조성)</td><td> 우수</td></tr><tr><td> 응고수축</td><td> 중간<br><b><span style="color: #ffffff;">출처 : <a style="color: #ffffff;" href="https://cafe.daum.net/MIGWANGGEUMSOK/jWoL/1" target="_top" class="ke-link"><span style="color: #ffffff;">(주</span>)미광-알루미늄 주물주조, 금속가공 | 알루미늄합금(AC4C)란 ? - Daum 카페</a></span></b></td></tr></tbody></table></div><div class="figure-map" id="maps_1686143055318" data-maps-data="addr=%EC%B6%A9%EB%82%A8%20%EC%B2%9C%EC%95%88%EC%8B%9C%20%EC%84%9C%EB%B6%81%EA%B5%AC%20%EC%84%B1%ED%99%98%EC%9D%8D%20%EC%99%95%EB%A6%BC%EB%A6%AC%20299-54&addtype=1&confirmid=&docid=&idx=1&ifrH=362px&ifrW=490px&mapHeight=362&mapInfo=%7B%22version%22%3A2%2C%22mapWidth%22%3A490%2C%22mapHeight%22%3A362%2C%22mapCenterX%22%3A522750%2C%22mapCenterY%22%3A951333%2C%22mapLevel%22%3A4%2C%22coordinate%22%3A%22wcongnamul%22%2C%22markInfo%22%3A%5B%7B%22markerType%22%3A%22standPlace%22%2C%22coordinate%22%3A%22wcongnamul%22%2C%22x%22%3A522753%2C%22y%22%3A951338%2C%22clickable%22%3Atrue%2C%22draggable%22%3Atrue%2C%22icon%22%3A%7B%22width%22%3A35%2C%22height%22%3A56%2C%22offsetX%22%3A17%2C%22offsetY%22%3A56%2C%22src%22%3A%22%2F%2Ft1.daumcdn.net%2Flocalimg%2Flocalimages%2F07%2F2012%2Fattach%2Fpc_img%2Fico_marker2_150331.png%22%7D%2C%22content%22%3A%22%EC%B6%A9%EB%82%A8%20%EC%B2%9C%EC%95%88%EC%8B%9C%20%EC%84%9C%EB%B6%81%EA%B5%AC%20%EC%84%B1%ED%99%98%EC%9D%8D%20%EC%99%95%EB%A6%BC%EB%A6%AC%20299-54%22%2C%22confirmid%22%3A%22%22%7D%5D%2C%22graphicInfo%22%3A%5B%5D%2C%22roadviewInfo%22%3A%5B%5D%7D&mapWidth=490&mapX=522750&mapY=951333&map_hybrid=false&map_level=4&map_type=TYPE_MAP&rcode=4413325000&tel=&title=%EC%B6%A9%EB%82%A8%20%EC%B2%9C%EC%95%88%EC%8B%9C%20%EC%84%9C%EB%B6%81%EA%B5%AC%20%EC%84%B1%ED%99%98%EC%9D%8D%20%EC%99%95%EB%A6%BC%EB%A6%AC%20299-54" data-maps-thumbnail="https://ssl.daumcdn.net/map3/staticmap/image?center=522750%2C951333&lv=4&size=540x350&srs=WCONGNAMUL&markers=symbol%3Asc_marker%7Clocation%3A522753%2C951338" style="width: 490px; height: 362px;" contenteditable="false" data-ke-type="map" data-ke-align="alignCenter" data-mce-style="width: 490px; height: 362px;" data-mce-selected="1"><div class="content_plusmap" data-mapdata="addr=%EC%B6%A9%EB%82%A8%20%EC%B2%9C%EC%95%88%EC%8B%9C%20%EC%84%9C%EB%B6%81%EA%B5%AC%20%EC%84%B1%ED%99%98%EC%9D%8D%20%EC%99%95%EB%A6%BC%EB%A6%AC%20299-54&addtype=1&confirmid=&docid=&idx=1&ifrH=362px&ifrW=490px&mapHeight=362&mapInfo=%7B%22version%22%3A2%2C%22mapWidth%22%3A490%2C%22mapHeight%22%3A362%2C%22mapCenterX%22%3A522750%2C%22mapCenterY%22%3A951333%2C%22mapLevel%22%3A4%2C%22coordinate%22%3A%22wcongnamul%22%2C%22markInfo%22%3A%5B%7B%22markerType%22%3A%22standPlace%22%2C%22coordinate%22%3A%22wcongnamul%22%2C%22x%22%3A522753%2C%22y%22%3A951338%2C%22clickable%22%3Atrue%2C%22draggable%22%3Atrue%2C%22icon%22%3A%7B%22width%22%3A35%2C%22height%22%3A56%2C%22offsetX%22%3A17%2C%22offsetY%22%3A56%2C%22src%22%3A%22%2F%2Ft1.daumcdn.net%2Flocalimg%2Flocalimages%2F07%2F2012%2Fattach%2Fpc_img%2Fico_marker2_150331.png%22%7D%2C%22content%22%3A%22%EC%B6%A9%EB%82%A8%20%EC%B2%9C%EC%95%88%EC%8B%9C%20%EC%84%9C%EB%B6%81%EA%B5%AC%20%EC%84%B1%ED%99%98%EC%9D%8D%20%EC%99%95%EB%A6%BC%EB%A6%AC%20299-54%22%2C%22confirmid%22%3A%22%22%7D%5D%2C%22graphicInfo%22%3A%5B%5D%2C%22roadviewInfo%22%3A%5B%5D%7D&mapWidth=490&mapX=522750&mapY=951333&map_hybrid=false&map_level=4&map_type=TYPE_MAP&rcode=4413325000&tel=&title=%EC%B6%A9%EB%82%A8%20%EC%B2%9C%EC%95%88%EC%8B%9C%20%EC%84%9C%EB%B6%81%EA%B5%AC%20%EC%84%B1%ED%99%98%EC%9D%8D%20%EC%99%95%EB%A6%BC%EB%A6%AC%20299-54"></div></div><p>                                                                </p>
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(주)미광
알루미늄 재료(Aluminum material) - 주조재【AC4B란】 -(주)미광
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