摘要：<span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">15-5PH</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼的性能和化學(xué)成分介紹</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">15-5PH</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼屬于馬氏體沉淀與時效硬化不銹鋼，具有高強度和硬度以及優(yōu)異的耐腐蝕性。化學(xué)成分分析是平衡的，可以產(chǎn)生*小的</span><span style="font-family:'Times New Roman';"><span lang="EN-US">δ</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">鐵素體，所以還具有優(yōu)異的橫向韌性和延展性，以及良好的鍛造性。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">15-5PH</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">的制造特性和其他沉淀硬化不銹鋼材質(zhì)相似，</span></span><span style="font-family:'Times New Roman';font-size:small;"> </span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">它們可以通過單步老化硬化，低溫處理。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">該材質(zhì)不銹鋼可用于閥部件、配件和緊固件、鍛造軸和齒輪、發(fā)動機部件、化學(xué)工藝設(shè)備、造紙設(shè)備以及飛機和核反應(yīng)堆的部件。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <a name="15-5PH不銹鋼"></a><span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">15-5PH</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">在鍛造時，該不銹鋼材質(zhì)應(yīng)均勻加熱至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1180 /1205</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃，并鍛煉</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">小時。為了獲得*佳的晶粒尺寸和機械性能，鍛造材料應(yīng)在進一步加工之前將其風(fēng)冷至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">32</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃以下。硬化前必須對該不銹鋼材料進行固溶處理。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;"><span style="font-size:small;">熱處理</span></span><span lang="EN-US"><br /> <span style="font-family:'Times New Roman';font-size:small;"> 15-5PH</span></span><span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">一般在溶液處理條件中提供，可以通過將溶液處理的材料加熱至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">480</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">620</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃的溫度并硬化</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1-4</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">小時，具體取決于溫度，然后空氣冷卻。</span><span lang="EN-US"><span style="font-family:'Times New Roman';"> </span></span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">在</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1040</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃</span><span style="font-family:'Times New Roman';"><span lang="EN-US">+/-14</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃的溫度下加熱</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1-2</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">小時，冷卻至</span><span style="font-family:'Times New Roman';"><span lang="EN-US">32</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">℃以下，從而完全轉(zhuǎn)化為馬氏體。但此時材料由于韌性較差，沖擊強度差，應(yīng)力腐蝕開裂敏感，材料不能用于溶液處理條件。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:'Times New Roman';"><span lang="EN-US">15-5PH</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼切削加工性較好，在溶液處理和各種老化硬化條件下都容易加工。當(dāng)以與</span><span style="font-family:'Times New Roman';"><span lang="EN-US">302</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼和</span><span style="font-family:'Times New Roman';"><span lang="EN-US">304</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">不銹鋼相似的方式對材料機械進行固溶處理時，隨著硬化溫度的升高，加工性提高。*佳切削性從條件</span><span style="font-family:'Times New Roman';"><span lang="EN-US">1150M</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">獲得。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span style="font-size:small;"><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">該材料的焊接性也非常不錯，可以通過屏蔽熔接和電阻焊接工藝獲得令人滿意地焊接效果。因為碳吸收的可能性，不推薦采用氧乙炔焊接。焊接接頭應(yīng)設(shè)計成*小化應(yīng)力。在溶液處理條件下的焊接通常是令人滿意的，但是如果預(yù)期焊接應(yīng)力很高，*好在</span><span style="font-family:'Times New Roman';"><span lang="EN-US">H1150</span></span><span style="font-family:宋體;mso-ascii-font-family:&quot;Times New Roman&quot;;mso-hansi-font-family:&quot;Times New Roman&quot;;">焊接過時的狀態(tài)，焊接前通常不需要進行預(yù)熱。</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span> <p style="margin:0cm 0cm 0pt;"> <span lang="EN-US"><span style="font-family:'Times New Roman';font-size:small;">&nbsp;</span></span> </p> <span style="font-family:宋體;font-size:small;"> </span>