西安不锈钢角钢的用(yòng)途及执行标准

摘要：<p style="text-align:left;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;"><span>西安</span></span><span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>不锈钢角钢的用(yòng)途</span></span><span style="font-family:宋體(tǐ);font-size:10.5pt;"><span>及执行标准</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>1. </span><span>种类及规格</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>主要分(fēn)為(wèi)等边不锈钢角钢和不等边不锈钢角钢两类，其中不等边不锈钢角钢又(yòu)可(kě)分(fēn)為(wèi)不等边等厚及不等边不等厚两种。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>不锈钢角钢的规格用(yòng)边長(cháng)和边厚的尺寸表示。目前國(guó)产不锈钢角钢规格為(wèi)</span><span>2—20</span><span>号，以边長(cháng)的厘米数為(wèi)号数，同一号不锈钢角钢常有(yǒu)</span><span>2—7</span><span>种不同的边厚。进口不锈钢角钢标明两边的实际尺寸及边厚并注明相关标准。一般边長(cháng)</span><span>12.5cm</span><span>以上的為(wèi)大型不锈钢角钢，</span><span>12.5cm—5cm</span><span>之间的為(wèi)中型不锈钢角钢，边長(cháng)</span><span>5cm</span><span>以下的為(wèi)小(xiǎo)型不锈钢角钢。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;">2. <span>进出口情况</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>我國(guó)进口、出口不锈钢角钢各有(yǒu)一定批量，主要从日本、西欧进口。出口输往地區(qū)主要為(wèi)港澳、东南亚、拉美及阿拉伯國(guó)家等。出口生产企业主要為(wèi)江苏，辽宁、河北、北京、上海、天津等省市的钢铁厂（轧钢厂）。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>进口不锈钢角钢品种多(duō)為(wèi)大型、小(xiǎo)型不锈钢角钢及特殊形状不锈钢角钢，出口品种多(duō)為(wèi)中型不锈钢角钢如</span>6<span>号、</span><span>7</span><span>号等。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;">3. <span>外观质量要求</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>不锈钢角钢的表面质量在标准中有(yǒu)规定，一般要求不得存在使用(yòng)上有(yǒu)害的缺陷，如分(fēn)层、结疤、裂缝等。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>不锈钢角钢几何形状偏差的允许范围在标准中也有(yǒu)规定，一般包括弯曲度、边宽、边厚、顶角、理(lǐ)论重量等项，并规定不锈钢角钢不得有(yǒu)显著的扭转。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;">4.<span>化學(xué)成分(fēn)检验</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>（</span>1<span>）成分(fēn)指标：不锈钢角钢的化學(xué)成分(fēn)属一般结构用(yòng)轧制钢材系列，主要检验指标為(wèi)</span><span>C</span><span>、</span><span>Mn</span><span>、</span><span>P</span><span>、</span><span>S</span><span>四项。根据牌号不同，含量各有(yǒu)差别，大致范围為(wèi)</span><span>C&lt;0.22%</span><span>、</span><span>Mn</span><span>：</span><span>0.30—0.65%</span><span>、</span><span>P&lt;0.060%</span><span>、</span><span>S&lt;0.060%</span><span>。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;"><span>（</span>2<span>）检验方法：检测上述化學(xué)成分(fēn)时，常用(yòng)的标准检验方法有(yǒu)</span><span>GB223</span><span>、</span><span>JISG1211—1215</span><span>、</span><span>BS1837</span><span>、</span><span>BS</span><span>手册</span><span>19</span><span>、</span><span>ГОСТ22536</span><span>等。</span></span> </p> <p style="text-align:left;"> <span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;">5.<span>常用(yòng)产品、规格标准</span></span><span style="font-family:宋體(tǐ);font-size:10.5pt;"><span>：</span></span><span style="font-family:&quot;Times New Roman&quot;;font-size:10.5pt;">GB/T2101—89<span>（型钢验收、包装、标志(zhì)及质量证明书的一般规定）</span></span> </p> <p style="text-align:left;text-indent:21pt;"> <span style="font-family:宋體(tǐ);font-size:10.5pt;">&nbsp;</span> </p>