@font-face{font-family:"Times New Roman";}@font-face{font-family:"宋體";}@font-face{font-family:"Arial";}p.MsoNormal{mso-style-name:正文;mso-style-parent:"";margin:0pt;margin-bottom:.0001pt;mso-pagination:none;text-align:justify;text-justify:inter-ideograph;font-family:'Times New Roman';font-size:10.5000pt;mso-font-kerning:1.0000pt;}p.MsoHeader{mso-style-name:頁(yè)眉;margin:0pt;margin-bottom:.0001pt;border-bottom:0.7500pt solid windowtext;mso-border-bottom-alt:0.7500pt solid windowtext;padding:0pt 0pt 1pt 0pt ;layout-grid-mode:char;mso-pagination:none;text-align:center;font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;}p.MsoFooter{mso-style-name:頁(yè)腳;margin:0pt;margin-bottom:.0001pt;layout-grid-mode:char;mso-pagination:none;text-align:left;font-family:'Times New Roman';font-size:9.0000pt;mso-font-kerning:1.0000pt;}span.msoIns{mso-style-type:export-only;mso-style-name:"";text-decoration:underline;text-underline:single;color:blue;}span.msoDel{mso-style-type:export-only;mso-style-name:"";text-decoration:line-through;color:red;}@page{mso-page-border-surround-header:no;mso-page-border-surround-footer:no;}@page Section0{}div.Section0{page:Section0;}山西45#精密管直銷，工業(yè)用精密管直銷，多種規(guī)格45#精密管直銷目前國(guó)內(nèi)粗鋼產(chǎn)能利用率僅為73%，處于歷史較低水平。后期國(guó)內(nèi)45#精密管產(chǎn)量增速或?qū)⒗^續(xù)放緩。精密管常用規(guī)格|精密管允許尺寸偏差　　10#0.07~0.130.17~0.370.35~0.65≤0.035≤0.035　　20#0.17~0.230.17~0.370.35~0.65≤0.035≤0.035　　35#0.32~0.390.17~0.370.35~0.65≤0.035≤0.035　　45#0.42~0.500.17~0.370.50~0.80≤0.035≤0.035　　40cr0.37~0.440.17~0.370.50~0.80≤0.035≤0.0350.08~1.10　　25Mn0.22~0.20.17~0.370.70~1.00≤0.035≤0.035≤0.25