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.index-module_taskLogo__71Tj5{height:66px;position:absolute;right:30px;top:0;width:66px}.index-module_drawerHand__aRhcO.index-module_open__qMl5O{right:480px}.index-module_reverse__OKr6k{transform:rotate(180deg)}網(wǎng)頁(yè)新聞貼吧知道網(wǎng)盤圖片視頻地圖文庫(kù)資訊采購(gòu)百科百度首頁(yè)登錄注冊(cè)進(jìn)入詞條全站搜索幫助首頁(yè)秒懂百科特色百科知識(shí)專題加入百科百科團(tuán)隊(duì)權(quán)威合作個(gè)人中心收藏查看我的收藏0有用+10碳鋼無(wú)縫鋼管播報(bào)討論上傳視頻一種具有的長(zhǎng)條鋼材本詞條由“科普中國(guó)”科學(xué)百科詞條編寫與應(yīng)用工作項(xiàng)目 審核 。碳鋼無(wú)縫鋼管是一種具有的長(zhǎng)條鋼材。鋼管具有中空截面，大量用作輸送流體的管道，如輸送石油、天然氣、煤氣、水及某些固體物料的管道等。鋼管與圓鋼等實(shí)心鋼材相比，在抗彎抗扭強(qiáng)度相同的同時(shí),重量較輕，是一種經(jīng)濟(jì)截面鋼材，廣泛用于制造結(jié)構(gòu)件和機(jī)械零件，如石油鉆桿、汽車傳動(dòng)軸、自行車架以及建筑施工中用的鋼腳手架等。中文名碳鋼無(wú)縫鋼管外文名Carbon steel seamless steel pipe作 用輸送流體特 點(diǎn)中空截面、周邊無(wú)接縫種 類10#、20#、45#無(wú)縫鋼管提 示根據(jù)環(huán)境和用途選目錄1簡(jiǎn)介2材質(zhì)因素3標(biāo)準(zhǔn)簡(jiǎn)介播報(bào)編輯碳鋼無(wú)縫鋼管制造環(huán)形零件，可提高材料利用率，簡(jiǎn)化制造工序，節(jié)約材料和加工工 時(shí)，如滾動(dòng)軸承套圈、千斤頂套等，當(dāng)前已廣泛用鋼管來(lái)制造。鋼管還是各種常規(guī)武器不可缺少的材料，槍管、 炮筒等都要鋼管來(lái)制造。鋼管按橫截面積形狀的不同可分為圓管和異型管。由于在周長(zhǎng)相等的條件下，圓面 積最大，用圓形管可以輸送更多的流體。此外，圓環(huán)截面在承受內(nèi)部或外部徑向壓力時(shí)，受力較均勻 ，因此，絕大多數(shù)鋼管是圓管。用鋼管制造環(huán)形零件，可提高材料利用率，簡(jiǎn)化制造工序，節(jié)約材料和加工工時(shí)，如滾動(dòng)軸承套圈、千斤頂套等，當(dāng)前已廣泛用鋼管來(lái)制造。分為10#無(wú)縫鋼管、20#無(wú)縫鋼管、45#無(wú)縫鋼管等。材質(zhì)因素播報(bào)編輯（1）結(jié)構(gòu)的重要性 重型工業(yè)建筑結(jié)構(gòu)、大跨度結(jié)構(gòu)、高層或超高層的民用建筑結(jié)構(gòu)或構(gòu)筑物等重要結(jié)構(gòu)，應(yīng)考慮選用質(zhì)量好的無(wú)縫鋼管，對(duì)一般工業(yè)與民用建筑結(jié)構(gòu)，可按工作性質(zhì)分別選用普通質(zhì)量的無(wú)縫鋼管。（2）荷載情況 直接承受動(dòng)力荷載的結(jié)構(gòu)和強(qiáng)烈地震區(qū)的結(jié)構(gòu)，應(yīng)選用綜合性能好的無(wú)縫鋼管；一般承受靜力荷載的結(jié)構(gòu)則可選用價(jià)格較低的無(wú)縫鋼管。（3）連接方法 焊接過(guò)程會(huì)產(chǎn)生焊接變形、焊接應(yīng)力以及其他焊接缺陷，存在導(dǎo)致結(jié)構(gòu)產(chǎn)生裂縫或脆性斷裂的危險(xiǎn)。因此，焊接結(jié)構(gòu)對(duì)材質(zhì)的要求應(yīng)嚴(yán)格一些。（4）結(jié)構(gòu)所處的溫度和環(huán)境，無(wú)縫鋼管處于低溫時(shí)容易冷脆，因此在低溫條件下工作的結(jié)構(gòu)，尤其是焊接結(jié)構(gòu)，應(yīng)選用具有良好抗低溫脆斷性能的鎮(zhèn)靜鋼。此外，露天結(jié)構(gòu)的太原無(wú)縫鋼管容易產(chǎn)生時(shí)效，有害介質(zhì)作用的無(wú)縫鋼管容易腐蝕、疲勞和斷裂，也應(yīng)加以區(qū)別地選擇不同材質(zhì)。（5）太無(wú)縫鋼管厚度，薄無(wú)縫鋼管輥軋次數(shù)多，軋制的壓縮比大，厚度大的無(wú)縫鋼管壓縮比小，所以厚度大的精密鋼管不但強(qiáng)度較小，而且塑性、沖擊韌性和焊接性能也較差。因此，厚度大的焊接結(jié)構(gòu)應(yīng)采用材質(zhì)較好的無(wú)縫鋼管。標(biāo)準(zhǔn)播報(bào)編輯碳素鋼無(wú)縫鋼管有以下幾種標(biāo)準(zhǔn)：GB8163《流體輸送用無(wú)縫鋼管》、GB6479《化肥設(shè)備用高壓無(wú)縫鋼管》、GB9948《石油裂化用無(wú)縫鋼管》、GB3087《低中壓鍋爐用無(wú)縫鋼管》、GB5310《高壓鍋爐用無(wú)縫鋼管》。新手上路成長(zhǎng)任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報(bào)不良信息未通過(guò)詞條申訴投訴侵權(quán)信息封禁查詢與解封?2024?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺(tái)?|?京ICP證030173號(hào)?京公網(wǎng)安備11000002000001號(hào)window.PAGE_DATA= 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