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供应硅铁粒 硅铁粒

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<p class=“MsoNormal“ style=“MARGIN: 0cm 0cm 0pt“><span lang=“EN-US“></span></p>
<p class=“MsoNormal“ style=“MARGIN: 0cm 0cm 0pt“><strong style=“mso-bidi-font-weight: normal“><span style=“FONT-SIZE: small“><span style=“COLOR: blue; FONT-FAMILY: 宋体; mso-ascii-font-family: “>硅铁粒</span></span></strong></p>
<p class=“MsoNormal“ style=“MARGIN: 0cm 0cm 0pt“><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“></span><strong style=“mso-bidi-font-weight: normal“><span style=“FONT-SIZE: 9pt; COLOR: blue; FONT-FAMILY: 宋体; mso-ascii-font-family: “>硅铁</span></strong><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>是以焦炭、钢屑、石英</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>(</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>或硅石</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>)</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>为原料,用电炉冶练制成的。硅和氧很容易化合成二氧化硅。所以硅铁常用于练钢作脱氧剂,同时由于</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>SiO2</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>生成时放出大量的热,在脱氧同时,可提高钢水温度降底练钢的能原消耗。硅铁作为金元素加入剂,广泛用于低合金结构钢、合结钢、弹簧钢、轴承钢、耐热钢及电工硅钢之中,常用来制造单晶硅或配制有色金属合金。</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“><br /></span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>用途</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“><br /></span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>  <strong style=“mso-bidi-font-weight: normal“><span style=“COLOR: blue“>硅铁粒</span></strong>在钢工业、铸造工业及其他工业生产中被广泛应用。硅铁是练钢工业中必不可少的脱氧剂。练钢中,硅铁用于沉淀脱氧剂和扩散脱氧。硅铁还作为合金剂用于练钢中。钢中添加一定数量的硅,能显著提高钢的强度、硬度和弹性,提高钢的磁导率,降低变压器钢的磁滞损耗。一般钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>0.15%-0.35%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>,结构钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>0.40%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>~</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>1.75%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>,工具钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>0.30%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>~</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>1.80%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>,弹簧钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>0.40%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>~</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>2.80%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>,不锈耐酸钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>3.40%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>~</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>4.00%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>,耐热钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>1.00%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>~</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>3.00%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>,硅钢中含硅</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>2%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>~</span><span style=“FONT-SIZE: 9pt; mso-bidi-font-size: 10.0pt“ lang=“EN-US“>3%</span><span style=“FONT-SIZE: 9pt; FONT-FAMILY: 宋体; mso-ascii-font-family: “>或更高。高硅硅铁或硅质合金在铁合金工业中用作生产低碳铁合金的还原剂。硅铁加入铸铁中可作球墨铸铁的孕育剂,且能阻止碳化物形成,促进石墨的析出和球化,改善铸铁性能。此外,硅铁粉在选矿工业中可作悬浮相使用,在焊条制造业中作焊条的涂料;高硅硅铁在电气工业中可用于制备半导体纯硅,在化学工业中可用于制造硅酮等。</span></p>
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