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<h1 style="color: rgb(0, 0, 0); font-size: 34px; font-family: 'Microsoft YaHei', SimHei, Verdana; font-weight: 500;"> 2cr13</h1> <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="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px;">2Cr13屬</span><a data-ke-="" href="http://baike.baidu.com/view/188445.htm" src="http://baike.baidu.com/view/188445.htm" target="_blank">馬氏體不銹鋼</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px;">有磁性，硬度好，焊接要預(yù)熱的。和Q235焊接用</span><a data-ke-="" href="http://baike.baidu.com/view/832025.htm" src="http://baike.baidu.com/view/832025.htm" target="_blank">奧氏體不銹鋼</a><span style="color: rgb(51, 51, 51); font-family: arial, 宋體, sans-serif; font-size: 14px; line-height: 24px;">焊條不用預(yù)熱，焊接，采用較小的電流。2Cr13焊接焊材可以選用1.抗大氣腐蝕選G202,G207，需預(yù)熱150-300度，焊后回火700-730度；2.耐有機(jī)酸并耐熱選：G211，需預(yù)熱150-300度；3.良好塑性：A102,A107,A202,A207,A302,A307，補(bǔ)焊預(yù)熱，厚大件預(yù)熱。</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> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> <b>特性</b></div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 2Cr13屬<a data-ke-="" href="http://baike.baidu.com/view/188445.htm" src="http://baike.baidu.com/view/188445.htm" target="_blank">馬氏體不銹鋼</a>，有磁性，硬度好，焊接要預(yù)熱的。和Q235焊接用<a data-ke-="" href="http://baike.baidu.com/view/832025.htm" src="http://baike.baidu.com/view/832025.htm" target="_blank">奧氏體不銹鋼</a>焊條不用預(yù)熱，比如A302.A307都行。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 焊接時控制焊縫稀釋率，不擺動焊接，采用較小的電流。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 2Cr13焊接焊材可以選用：</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 1.抗大氣腐蝕選G202,G207，需預(yù)熱150-300度，焊后回火700-730度；</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 2.耐有機(jī)酸并耐熱選：G211，需預(yù)熱150-300度；</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 3.良好塑性：A102,A107,A202,A207,A302,A307，補(bǔ)焊預(yù)熱，厚大件預(yù)熱。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 2Cr13不銹鋼淬火狀態(tài)下硬度高，耐蝕性良好。很多用于做刀具，是&ldquo;刃具級&rdquo;馬氏體鋼，也用于外科手術(shù)刀具，類似布氏高鉻鋼這種最早的不銹鋼，另外也有用作汽輪機(jī)葉片等，適用范圍很廣。</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 2Cr13密度為7.75g/cm3</div> <div style="word-wrap: break-word; color: rgb(51, 51, 51); margin: 15px 0px 5px; font-family: arial, 宋體, sans-serif; font-size: 14px;"> 2Cr13淬火硬度：一般2Cr13的淬火溫度在980～1050℃，取980℃加熱油淬時硬度要明顯低于1050℃加熱油淬，980℃油淬后硬度為45～50HRC，1050℃油淬后硬度要高2HRC。但1050℃淬火后得到的組織晶粒較粗，脆性大。建議使用1000℃加熱淬火可以得到較好的組織和硬度。</div> <p> ???</p> <p> &nbsp;</p>