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<span class="lemmaTitleH1" style="height: auto; padding: 0px 0px 5px; display: inline;">2cr13</span></h1>
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<span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">2Cr13属</span><a href="http://baike.baidu.com/view/188445.htm" style="text-decoration: none; color: rgb(19, 110, 194); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;" target="_blank">马氏体不锈钢</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">有磁性,硬度好,焊接要预热的。和Q235焊接用</span><a href="http://baike.baidu.com/view/832025.htm" style="text-decoration: none; color: rgb(19, 110, 194); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;" target="_blank">奥氏体不锈钢</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋体, sans-serif; font-size: 14px; line-height: 24px; text-indent: 28px;">焊条不用预热,焊接,采用较小的电流。2Cr13焊接焊材可以选用1.抗大气腐蚀选G202,G207,需预热150-300度,焊后回火700-730度;2.耐有机酸并耐热选:G211,需预热150-300度;3.良好塑性:A102,A107,A202,A207,A302,A307,补焊预热,厚大件预热。</span></p>
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<b>特性</b></div>
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2Cr13属<a href="http://baike.baidu.com/view/188445.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">马氏体不锈钢</a>,有磁性,硬度好,焊接要预热的。和Q235焊接用<a href="http://baike.baidu.com/view/832025.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">奥氏体不锈钢</a>焊条不用预热,比如A302.A307都行。</div>
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焊接时控制焊缝稀释率,不摆动焊接,采用较小的电流。</div>
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2Cr13焊接焊材可以选用:</div>
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1.抗大气腐蚀选G202,G207,需预热150-300度,焊后回火700-730度;</div>
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2.耐有机酸并耐热选:G211,需预热150-300度;</div>
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3.良好塑性:A102,A107,A202,A207,A302,A307,补焊预热,厚大件预热。<br />
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<b>表示方法</b></div>
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根据GB/T《钢铁产品牌号表示方法》的规定,采用<a href="http://baike.baidu.com/view/104417.htm" style="text-decoration: none; color: rgb(19, 110, 194);" target="_blank">汉语拼音字母</a>、化学元素符号及阿拉伯数字组合的方式表示。 含量:一般在牌号的头部用一位阿拉伯数字表示平均碳含量(以千分之几计);平均碳含量小于千分之一的用“0”表示;碳含量不大于0.03%的用“00”表示。 合金元素含量:平均合金元素含量小于1.50%时,牌号中仅标明元素,一般不标明含量;平均合金元素含量为1.5%-2.49%、2.50%-3.49%.....12.50%-13.49%,....时,相应地标明2、3.....13...。专门用途的不锈钢,在牌号头部加上代表该钢用途的代号。举例:0Cr18Ni9、Y1Cr17(易切钢)。<br />
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碳 C :0.16~0.25</div>
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硅 Si:≤1.00</div>
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锰 Mn:≤1.00
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<a class="image-link nslog:9317" href="http://baike.baidu.com/picture/1942481/1942481/0/6c224f4a20a44623433061c89822720e0df3d7a6.html?fr=lemma&ct=single" style="text-decoration: none; color: rgb(19, 110, 194); display: block; width: 220px; height: 176px;" target="_blank" title="2CR13"><img alt="2CR13" src="http://c.hiphotos.baidu.com/baike/s%3D220/sign=f9dc41cbf81986184547e8867aec2e69/6c224f4a20a44623433061c89822720e0df3d7a6.jpg" style="border: 0px; display: block; margin: 0px auto; width: 220px; height: 176px;" /></a><span class="description" style="display: block; color: rgb(85, 85, 85); font-size: 12px; font-family: 宋体; word-wrap: break-word; word-break: break-all; line-height: 15px; padding: 8px 7px; min-height: 12px; border-top-width: 1px; border-top-style: solid; border-top-color: rgb(224, 224, 224);">2CR13</span></div>
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硫 S :≤0.030</div>
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磷 P :≤0.035</div>
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铬 Cr:12.00~14.00</div>
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镍 Ni:允许含有≤0.60<br />
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抗拉强度 σb (MPa):淬火回火,≥635</div>
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条件屈服强度 σ0.2 (MPa):淬火回火,≥440</div>
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伸长率 δ5 (%):淬火回火,≥20</div>
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断面收缩率 ψ (%):淬火回火,≥50</div>
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冲击功 Aku2(J):淬火回火,≥63</div>
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硬度 :退火,≤223HB;淬火回火,≤192HB</div>
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●热处理规范及金相组织:</div>
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热处理规范:1)退火,800~900℃缓冷或约750℃快冷;2)淬火,920~980℃油</div>
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冷;3)回火,600~750℃快冷。</div>
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金相组织:组织特征为马氏体型。</div>
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●交货状态:一般以热处理状态交货,其热处理种类在合同中注明;未注明者,按不热处理状态交货。</div>
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