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<h2 style="margin: 0px; padding: 0px; outline: 0px; font-size: 20px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif;"> 2Cr13</h2> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">2Cr13</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">屬馬氏體不銹鋼有</span>磁性<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">，</span>硬度<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">好，</span>焊接<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">要預(yù)熱的。和Q235焊接用奧氏體不銹鋼焊條不用預(yù)熱，焊接時控制焊縫稀釋率，不擺動焊接，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，補焊預(yù)熱，厚大件</span>預(yù)熱<span style="margin: 0px; padding: 0px; outline: 0px; font-size: 14px; font-family: arial, sans-serif; line-height: 28px;">。</span></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> &nbsp;</p> <div style="margin: 0px; padding: 0px; outline: 0px; color: rgb(0, 0, 0); font-family: Arial, Helvetica, sans-serif; line-height: 24px;"> <div style="margin: -7px 0px 0px; padding: 0px; outline: 0px;"> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 淬火狀態(tài)下硬度高，耐蝕性良好。用作汽輪機葉片。</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 2Cr13密度為7.75g/cm3</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; text-indent: 2em;"> 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。<img src="http://i2.qhimg.com/dr/200__/t01defb0b4d8f5ea32b.jpg" style="margin: 0px; padding: 0px; outline: 0px; border: none;" /></p> </div> </div> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 化學(xué)成分：、</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 碳 C ：0.16～0.25</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 硅 Si：&le;1.00</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 錳 Mn：&le;1.00<img src="http://i3.qhimg.com/dr/200__/t019907fcdb99ecb73f.jpg" style="margin: 0px; padding: 0px; outline: 0px; border: none;" /></p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 硫 S ：&le;0.030</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 磷 P ：&le;0.035</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 鉻 Cr：12.00～14.00</p> <p style="margin: 0px; padding: 0px 12px; outline: 0px; font-size: 14px; text-indent: 2em; color: rgb(0, 0, 0); line-height: 24px; font-family: arial, sans-serif;"> 鎳 Ni：允許含有&le;0.60</p> <div> &nbsp;</div>