SUM12易切削钢耐热性好么SUM12材料使用以及应用SUM12圆钢,SUM12钢棒,SUM12钢板SUM12易切削钢,SUM12易切削钢棒,SUM12易切削钢板苏州亿胜百金属钢材有限公司SUM12易切削钢国内价格***优惠，SUM12易切削钢生产质量好的厂家与供应商，==============================================SUM12SUM12是S-P复合低碳易切削钢，是现有易切削钢中含磷量***多的一种，切削性较15号钢有明显改善。钢材的力学性能有明显的各向异性，冷拉钢材纵向力学性能与冷拉15号钢接近，常代替15号钢制造对力学性能要求不高的各种零件，如螺栓、螺母、销钉、轴、管接头及火花塞外套等。中文名SUM12执行标准JISG4804-1999性能各向异性应用销钉、轴、管接头及火花塞外套等SUM12易切削钢执行标准:JISG4804-1999●特性及适用范围：●化学成份：碳C：0.08～0.13锰Mn：0.60～0.90硫S：0.08～0.13磷P：***大0.040●力学性能：抗拉强度σb(MPa)：(热轧)390～540;(冷拉)钢材厚度或直径8～20时:530～755;>20～30时:510～735;>30时:490～685伸长率δ5(%)：(热轧)≥22;(冷轧)≥7.0断面收缩率ψ(%)：(热轧)≥36硬度：(热轧)≤170HB;(冷拉)152～217HB●热处理规范及金相***：==============================================现货SUM12圆钢,SUM12化学成分,SUM12材质,SUM12圆钢首苏州亿胜佰钢材,SUM12易切削钢,SUM12圆棒,SUM12批发,SUM12性能,SUM12用途,SUM12机械性能,SUM12抗拉强度,SUM12屈服强度,SUM12延伸强度,SUM12断面收缩率,SUM12******格，SUM12材料SUM12多少钱一公斤，SUM12光亮棒，SUM12硬度，SUM12断后伸长率,SUM12热处理,SUM12韧性,SUM12淬透性,SUM12淬硬性,SUM12淬火性,SUM12焊接性,SUM12力学性能,SUM12规格,SUM12是什么材料,SUM12材质证明,SUM12密度,SUM12板材,SUM12性能；如有疑问请来电！==============================================批发零售‖SUM12易切削钢河北保定辽宁大连丹东郑州‖***热销！！！批发零售‖SUM12易切削钢山西太原黄岩芜湖杭州丽水‖***热销！！！批发零售‖SUM12易切削钢山东德州东营济南莱芜聊城‖***热销！！！批发零售‖SUM12易切削钢陕西汉中西安营口沈阳扬州‖***热销！！！批发零售‖SUM12易切削钢鹤壁洛阳新乡信阳盐城莱芜‖***热销！！！批发零售‖SUM12易切削钢安徽滁州芜湖湖州宁波威海‖***热销！！！批发零售‖SUM12易切削钢赣州南昌上饶宜春温州常州‖***热销！！！批发零售‖SUM12易切削钢江苏常州淮安南京南通日照‖***热销！！！批发零售‖SUM12易切削钢苏州常熟太仓吴江洛阳烟台‖***热销！！！批发零售‖SUM12易切削钢无锡江阴宜兴徐州盐城嘉兴‖***热销！！！批发零售‖SUM12易切削钢镇江丹阳扬州淮安太仓靖江‖***热销！！！批发零售‖SUM12易切削钢杭州湖州宿迁江阴吴江无锡‖***热销！！！批发零售‖SUM12易切削钢金华义乌淄博青岛南昌东营‖***热销！！！批发零售‖SUM12易切削钢宁波余姚西安泰州宜兴上海‖***热销！！！批发零售‖SUM12易切削钢绍兴台州黄岩常熟余姚丽水‖***热销！！！批发零售‖SUM12易切削钢温州乐清瑞安厦门合肥南京‖***热销！！！批发零售‖SUM12易切削钢威海潍坊烟台淄博青岛嘉兴‖***热销！！！==============================================SUM12SUM12PbY15Y15PbY20Y30Y35Y40MnY45CaSUM12SUM12SUM23SUM22SUM31SUM32SUM43SUM42SUM22LSUM24LSUM23LSUM41SUM25SUM11SUM31LB1112111512L1311201130114011411212121311081146121512L14G12134G11410G12120G12130G11080G11460G12150G121419***n28/11***n30/1.0715,9***nPb28/11***nPb30/1.0718,,9***n36/11***n37/1.0736,9***nPb36/11***nPb37/1.0737,,9S20K/1.0711,,10SPb20/1.0722,,15***n13/1.0725,,15S22/15S20/1.0723,,22S20/1.0724,,35S20/1.0726,,35SPb20/30SPb20/1.0756,,45S20/46S20/1.0727,,45SPb20/46Pb20/1.0757,,36***n14/1.0764,,36***nPb14/1.0765,,38***n28/1.0760,,38***nPb28/1.0761,,44***n28/1.0762,,44***nPb28/1.0763。)