<p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> <span style="font-family: arial, sans-serif; font-size: 14px; line-height: 25px;"><span style="font-size: 32px;">Q195</span></span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> <span style="font-family: arial, sans-serif; font-size: 16px; line-height: 25px;">用途：：</span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> <span style="font-family: arial, sans-serif; font-size: 16px; line-height: 25px;">用于制造地脚螺栓、犁铧、烟筒、屋面板、铆钉、低碳钢丝、薄板、焊管、拉杆、吊钩、支架、焊接结构等。轧制薄板和盘条。冷、热轧薄钢板及以其为原板制成的镀锌、镀锡及塑料复合薄钢板大量用于屋面板、 装饰板、通用除尘管道、包装容器、铁桶、仪表壳、开关箱、防护罩、火车车厢等。盘条则多冷拔成低碳钢丝或经镀锌制成镀锌低碳钢丝，用于捆绑、张拉固定或用作钢丝网、铆钉等 。</span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">化学成分：</span></p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">C：&le;0.12</span></p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">Mn：&le;0.50</span></p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">Si：&le;0.30</span></p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">S：&le;0.040</span></p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">P：&le;0.035</span></p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 18px;">脱氧方法：F、b、Z</span></p> <p> ?</p> <p> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 16px;">Q195，是一种碳素结构钢。屈服强度195MPA。比Q235强度低。价格较便宜。用于建筑，结构，摩托车车架等。美国ASTM的牌号是Gr.B(&sigma;s185)。&sigma;s185就是屈服强度为185MPa。</span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 16px;">代表：</span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px;"> <span style="font-size: 16px;">中国国标的钢号Q195代表的意思是&quot;屈服强度&sigma;s=195MPa&quot;，它是以16mm的钢棒测的实验值。如果直径是16~40mm的钢，屈服极限就是185MPa,美国ASTM采用的命名规则就是这个。</span></p> <p style="word-wrap: break-word; margin: 5px 0px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px;"> &nbsp;</p> <p> <span style="color: rgb(0, 0, 0); font-family: arial, sans-serif; font-size: 14px; line-height: 28px;"><span style="font-size: 16px;">用途：：</span></span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> <span style="font-family: arial, sans-serif; font-size: 14px; line-height: 25px;"><span style="font-size: 16px; line-height: 28px;">用于制造地脚螺栓、犁铧、烟筒、屋面板、铆钉、低碳钢丝、薄板、</span><span style="font-size: 16px;">焊管</span><span style="font-size: 16px; line-height: 28px;">、拉杆、吊钩、支架、焊接结构等。轧制薄板和盘条。冷、热轧薄钢板及以其为原板制成的镀锌、镀锡及塑料复合薄钢板大量用于屋面板、 装饰板、通用除尘管道、包装容器、铁桶、仪表壳、开关箱、防护罩、火车车厢等。盘条则多冷拔成低碳钢丝或经镀锌制成镀锌低碳钢丝，用于捆绑、张拉固定或用作钢丝网、铆钉等 。</span></span></p> <p style="word-wrap: break-word; margin: 5px 0px; color: rgb(0, 0, 0); font-family: 'sans serif', tahoma, verdana, helvetica; font-size: 12px; line-height: 18px;"> &nbsp;</p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> 物理性能：</p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> 抗拉强度（&sigma;b/MPa）：315-430</p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> 伸长率（&delta;5/%）：&ge;33（钢材厚度或直径≦16mm），&ge;32（钢材厚度或直径&gt;16-40mm）【主要特性】</p> <p style="word-wrap: break-word; margin: 5px 0px; font-family: arial, sans-serif; font-size: 14px;"> 具有高的塑性、韧性、焊接性能，良好的压力加工性能，但强度低。</p> <p> &nbsp;</p>