<*n lang="EN-US" style="font-size:12.0pt;font-family:宋体">Y12*n><*n style="font-size:12.0pt;
font-family:宋体">易切削钢介绍<*n lang="EN-US">
<*n style="font-size:12.0pt;font-family:宋体">特性<*n lang="EN-US">;
<*n style="font-size:12.0pt;font-family:宋体"> <*n lang="EN-US">Y12*n>易切削钢是<*n lang="EN-US">S-P*n>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<*n lang="EN-US">15*n>号钢有明显****。<*n lang="EN-US">Y12*n>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<*n lang="EN-US">15*n>号钢接近<*n lang="EN-US">.
<*n style="font-size:12.0pt;
font-family:宋体">用途:<*n lang="EN-US">
<*n style="font-size:12.0pt;font-family:宋体"> <*n lang="EN-US">Y12*n>易切削钢常代替<*n lang="EN-US">15*n>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。 <*n lang="EN-US">
<*n style="font-size:12.0pt;font-family:宋体">化学成份:<*n lang="EN-US">
<*n style="font-size:12.0pt;font-family:宋体"> 碳<*n lang="EN-US"> C *n>:<*n lang="EN-US">0.08*n>~<*n lang="EN-US">0.16
<*n style="font-size:12.0pt;font-family:宋体"> 硅<*n lang="EN-US"> Si*n>:<*n lang="EN-US">0.15*n>~<*n lang="EN-US">0.35
<*n style="font-size:12.0pt;font-family:宋体"> 锰<*n lang="EN-US"> Mn*n>:<*n lang="EN-US">0.70*n>~<*n lang="EN-US">1.00
<*n style="font-size:12.0pt;font-family:宋体"> 硫<*n lang="EN-US"> S *n>:<*n lang="EN-US">0.10*n>~<*n lang="EN-US">0.20
<*n style="font-size:12.0pt;font-family:宋体"> 磷 <*n lang="EN-US">P *n>:<*n lang="EN-US">0.08*n>~<*n lang="EN-US">0.15
<*n style="font-size:12.0pt;font-family:宋体">力学性能:<*n lang="EN-US">
<*n style="font-size:12.0pt;font-family:宋体"> *拉强度<*n lang="EN-US"> σb (MPa)*n>:<*n lang="EN-US">(*n>热轧<*n lang="EN-US">)390*n>~<*n lang="EN-US">540; (*n>冷拉<*n lang="EN-US">)*n>钢材厚度或直径<*n lang="EN-US"> 8*n>~<*n lang="EN-US">20*n>时<*n lang="EN-US">:530*n>~<*n lang="EN-US">755; >20*n>~<*n lang="EN-US">30*n>时<*n lang="EN-US">:510*n>~<*n lang="EN-US">735; >30*n>时<*n lang="EN-US">:490*n>~<*n lang="EN-US">685
<*n style="font-size:12.0pt;font-family:宋体"> 伸长率<*n lang="EN-US"> δ5 (%)*n>:<*n lang="EN-US">(*n>热轧<*n lang="EN-US">)≥22;(*n>冷轧<*n lang="EN-US">)≥7.0
<*n style="font-size:12.0pt;font-family:宋体"> 断面收缩率<*n lang="EN-US"> ψ (%)*n>:<*n lang="EN-US">(*n>热轧<*n lang="EN-US">)≥36
<*n style="font-size:12.0pt;font-family:宋体"> 硬度 :<*n lang="EN-US">(*n>热轧<*n lang="EN-US">)≤170HB;(*n>冷拉<*n lang="EN-US">)152*n>~<*n lang="EN-US">217HB
<*n lang="EN-US" style="font-size:12.0pt;font-family:宋体">Y12*n><*n style="font-size:12.0pt;
font-family:宋体">易切削钢交货状态:以热轧或冷拉状态交货,交货状态应在合同中注明。<*n lang="EN-US">