12 NAK80 編輯 日本大同制鋼株式會社之專利鋼－NAK80是預(yù)硬塑膠模具鋼。出廠硬度可以達到HRC37-43.有很好的拋光性能與雕飾性，放電加工性佳 使用在鏡面拋光模具，防灰塵，電視機濾光板，化妝品盒，精密皺紋加工模具，辦公自動化設(shè)備，汽車零件放電加工模具，厚度不大于2MM薄板材，高效落料模，沖載模及壓印模， 各種剪刀，鑲嵌刀片，木工刀片， 螺紋軋制模和耐磨滑塊， 冷鐓模具，熱固樹脂成型模， 深拉成型模，冷擠壓模具。 .baseInfoWrap{display:inline-block;width:790px;font-size:12px;z-index:10;background:url(/static/lemma/view/img/baseInfoBarBg.png);margin:0 0 -6px 0}.baseInfoWrap .baseInfoLeft,.baseInfoWrap .baseInfoRight{float:left;_width:395px}.baseInfoWrap .baseInfoLeft .biOpen,.baseInfoWrap .baseInfoLeft .biClose,.baseInfoWrap .baseInfoRight .biOpen,.baseInfoWrap .baseInfoRight .biClose{color:#999;line-height:12px;*line-height:14px;width:36px;text-align:right;cursor:pointer}.baseInfoWrap .baseInfoLeft .biItem,.baseInfoWrap .baseInfoRight .biItem{zoom:1;line-height:26px;overflow:hidden}.baseInfoWrap .baseInfoLeft .biItem .biItemInner .biTitle,.baseInfoWrap .baseInfoRight .biItem .biItemInner .biTitle{display:block;float:left;color:#999;width:78px;padding:0 5px 0 12px;font-weight:bold}.baseInfoWrap .baseInfoLeft .biItem .biItemInner .biContent,.baseInfoWrap .baseInfoRight .biItem .biItemInner .biContent{zoom:1;color:#333;width:300px;float:left;right:14px}.baseInfoWrap .baseInfoLeft .biItem .biOpenItem,.baseInfoWrap .baseInfoRight .biItem .biOpenItem{display:none;left:0;top:-4px;border:1px solid #d4d4d4;padding:3px 11px;background:#fbfbfb;overflow:hidden;box-shadow:0 1px 5px #ddd;z-index:56}.baseInfoWrap .baseInfoLeft .biItem .biOpenItem .biOpenItemCon,.baseInfoWrap .baseInfoRight .biItem .biOpenItem .biOpenItemCon{background:url(/static/lemma/view/img/baseInfoBarOpenBg.png);overflow:hidden}.baseInfoWrap .baseInfoLeft .biItem .biOpenItem .biOpenItemCon .biOpenTitle,.baseInfoWrap .baseInfoRight .biItem .biOpenItem .biOpenItemCon .biOpenTitle{display:block;width:78px;float:left;color:#999;font-weight:bold;padding-right:5px}.baseInfoWrap .baseInfoLeft .biItem .biOpenItem .biOpenItemCon .biOpenContent,.baseInfoWrap .baseInfoRight .biItem .biOpenItem .biOpenItemCon .biOpenContent{width:288px;float:left}.baseInfoWrap .baseInfoLeft .biItem .biOpenItem .biClose,.baseInfoWrap .baseInfoRight .biItem .biOpenItem .biClose{right:13px;bottom:10px}.baseInfoWrap .baseInfoLeft .biItem .biOpenItem .biOpenCoverUp,.baseInfoWrap .baseInfoRight .biItem .biOpenItem .biOpenCoverUp{bottom:0;left:0;width:424px;height:4px;z-index:1;background:#fbfbfb;overflow:hidden}.baseInfoWrap .baseInfoLeft .biHightHierarchy,.baseInfoWrap .baseInfoRight .biHightHierarchy{z-index:58}.baseInfoWrap .baseInfoLeft .biItemHidden,.baseInfoWrap .baseInfoRight .biItemHidden{display:none}.baseInfoWrap .biBorderBottom{left:0;bottom:0;width:790px;height:1px;background:#eee}.baseInfoWrap a{text-decoration:none}.baseInfoWrap a:hover{text-decoration:underline}.arrow-up,.arrow-up-in,.arrow-down,.arrow-down-in{border-width:0 4px 4px;border-style:dashed dashed solid;border-top-color:transparent;border-left-color:transparent;border-right-color:transparent;border-color:transparent transparent #b4b4b4;z-index:1;left:0;top:4px;*top:-10px;_top:-10px}.arrow-up-in{border-bottom-color:#fff;top:5px;*top:-9px;_top:-9px}.arrow-down,.arrow-down-in{border-width:4px 4px 0;border-style:solid dashed dashed;border-top-color:#b4b4b4;border-bottom-color:transparent;*top:4px;_top:4px}.arrow-down-in{border-top-color:#fff;top:3px}.small-screen .baseInfoWrap{width:690px}.small-screen .baseInfoWrap .baseInfoLeft,.small-screen .baseInfoWrap .baseInfoRight{_width:345px}.small-screen .baseInfoWrap .baseInfoLeft .biItem .biItemInner .biContent,.small-screen .baseInfoWrap .baseInfoRight .biItem .biItemInner .biContent{width:250px}.small-screen .baseInfoWrap .baseInfoLeft .biItem .biOpenItem .biOpenItemCon .biOpenContent,.small-screen .baseInfoWrap .baseInfoRight .biItem .biOpenItem .biOpenItemCon .biOpenContent{width:238px}