Q345C無縫鋼管的沖擊性能 　　Q345C無縫鋼管是直縫鋼管的其中一種材質。 　　Q345C無縫鋼管<16Mn:Q345A Q345B Q345C Q345D Q345E> 　　Q345C無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)的(de)綜(zong)合力學(xue)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)好(hao)(hao)，焊(han)(han)接(jie)性(xing)(xing)(xing)，冷，熱(re)(re)加工(gong)(gong)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)和(he)耐腐蝕性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)均好(hao)(hao)，具(ju)有(you)良好(hao)(hao)的(de)低(di)溫(wen)(wen)(wen)(wen)(wen)韌性(xing)(xing)(xing) 　　船(chuan)舶，鍋爐(lu)，壓(ya)力容器(qi)，石油儲罐，橋梁，電站(zhan)設備(bei)，起重(zhong)運輸(shu)機(ji)械及其他較高載荷的(de)焊(han)(han)接(jie)結(jie)構件 　　Q345C無(wu)(wu)縫(feng)(feng)管(guan)舊(jiu)標(biao)準對照： 　　18Nb含Nb鎮靜鋼(gang)(gang)(gang)，性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)與(yu)14MnNb相近，主(zhu)要(yao)用(yong)于(yu)起重(zhong)機(ji)，鼓風(feng)機(ji)，化(hua)工(gong)(gong)機(ji)械等 　　09MnCuPTi耐大(da)氣腐蝕用(yong)鋼(gang)(gang)(gang)，低(di)溫(wen)(wen)(wen)(wen)(wen)沖擊韌性(xing)(xing)(xing)好(hao)(hao)，可焊(han)(han)性(xing)(xing)(xing)，冷熱(re)(re)加工(gong)(gong)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)都(dou)好(hao)(hao)，主(zhu)要(yao)用(yong)于(yu)潮(chao)濕多雨地(di)區和(he)腐蝕氣氛環境的(de)各種機(ji)械 　　12MnV工(gong)(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)為-70度(du)低(di)溫(wen)(wen)(wen)(wen)(wen)用(yong)鋼(gang)(gang)(gang)，主(zhu)要(yao)用(yong)于(yu)冷凍機(ji)械，低(di)溫(wen)(wen)(wen)(wen)(wen)下(xia)工(gong)(gong)作(zuo)(zuo)的(de)結(jie)構件 　　14MnNb性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)與(yu)18Nb鋼(gang)(gang)(gang)相近，主(zhu)要(yao)用(yong)于(yu)工(gong)(gong)作(zuo)(zuo)溫(wen)(wen)(wen)(wen)(wen)度(du)-20--450度(du)的(de)容器(qi)及其他結(jie)構件 　　16Mn綜(zong)合力學(xue)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)好(hao)(hao)，低(di)溫(wen)(wen)(wen)(wen)(wen)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)，冷沖壓(ya)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)，焊(han)(han)接(jie)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)和(he)可切削性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)都(dou)好(hao)(hao)，主(zhu)要(yao)用(yong)于(yu)礦山(shan)，運輸(shu)，化(hua)工(gong)(gong)等各種機(ji)械 　　16MnRE性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)與(yu)16Mn鋼(gang)(gang)(gang)相似，沖擊韌性(xing)(xing)(xing)和(he)冷彎性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)比16Mn好(hao)(hao)，用(yong)途(tu)同于(yu)16Mn鋼(gang)(gang)(gang) 　　1、Q345C無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)是一(yi)種具(ju)有(you)中空截面、周邊沒有(you)接(jie)縫(feng)(feng)的(de)長條鋼(gang)(gang)(gang)材。 　　2、無(wu)(wu)縫(feng)(feng)管(guan)制造工(gong)(gong)藝：熱(re)(re)軋、冷拔(ba)、熱(re)(re)擴 　　3、Q345C無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)(gang)管(guan)用(yong)途(tu)很廣泛(fan)。一(yi)般用(yong)途(tu)的(de)無(wu)(wu)縫(feng)(feng)管(guan)由普(pu)通碳素結(jie)構鋼(gang)(gang)(gang)、低(di)合金結(jie)構鋼(gang)(gang)(gang)或合金結(jie)構鋼(gang)(gang)(gang)軋制，產量*多，主(zhu)要(yao)用(yong)作(zuo)(zuo)輸(shu)送流體的(de)管(guan)道(dao)或結(jie)構零件。

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