Q345D無縫鋼管基地直銷
由整塊金屬制成的,表面上沒有接縫的鋼管,稱為無縫鋼管。根據生產方法,無縫管分熱軋管、冷軋管、冷拔管、擠壓管、頂管等。按照斷面形狀,無縫鋼管分圓形(xing)和異形(xing)兩(liang)種,異形(xing)管(guan)(guan)(guan)(guan)有方形(xing)、橢(tuo)圓形(xing)、三角(jiao)(jiao)形(xing)、六角(jiao)(jiao)形(xing)、瓜(gua)子形(xing)、星形(xing)、 帶(dai)翅管(guan)(guan)(guan)(guan)多種復雜形(xing)狀。******直徑達650mm,最小直徑為 0.3mm。根據用(yong)(yong)途不同(tong), 有厚壁(bi)(bi)管(guan)(guan)(guan)(guan)和薄壁(bi)(bi)管(guan)(guan)(guan)(guan)。無縫鋼管(guan)(guan)(guan)(guan)主(zhu)要用(yong)(yong)做(zuo)石油(you)地質鉆探管(guan)(guan)(guan)(guan)、石油(you)化工用(yong)(yong)的裂化管(guan)(guan)(guan)(guan)、鍋(guo) 爐管(guan)(guan)(guan)(guan)、軸(zhou)承管(guan)(guan)(guan)(guan)以及汽(qi)車、拖拉機、航空用(yong)(yong)高精(jing)度(du)結構(gou)鋼管(guan)(guan)(guan)(guan)。
Q345D無(wu)縫鋼管主要應用于船舶,鍋爐,壓力容器(qi),石油(you)儲罐,橋梁(liang),電站設備,起重運輸機(ji)械及其他(ta)較高載荷的焊接結構件。
Q345D無縫鋼管主要特性:
綜合(he)力學性(xing)能(neng)(neng)好,焊(han)接(jie)性(xing),冷,熱加工性(xing)能(neng)(neng)和耐(nai)腐蝕(shi)性(xing)能(neng)(neng)均好,具有良好的低溫韌性(xing)
Q345D無縫鋼管產(chan)品(pin)應用(yong):
船舶,鍋(guo)爐(lu),壓(ya)力容器,石(shi)油儲罐(guan),橋梁,電站設備,起重運(yun)輸機械及其(qi)他較高載荷的(de)焊接(jie)結構件
Q345D無(wu)縫鋼管舊標準對照:
18Nb含Nb鎮靜鋼,性能與(yu)14MnNb相近,主要用于起重機,鼓(gu)風機,化工機械等
09MnCuPTi耐大氣腐蝕用(yong)鋼(gang),低溫沖擊韌性(xing)好(hao),可(ke)焊性(xing),冷熱(re)加(jia)工性(xing)能都好(hao),主要(yao)用(yong)于潮(chao)濕多雨(yu)地區和腐蝕氣氛環境的各種(zhong)機(ji)械
12MnV工(gong)(gong)作溫(wen)度為-70度低(di)溫(wen)用鋼,主要用于冷凍機械(xie),低(di)溫(wen)下(xia)工(gong)(gong)作的結構件
14MnNb性能與(yu)18Nb鋼相近(jin),主要(yao)用于工作溫(wen)度-20--450度的容器及其他結構(gou)件(jian)
16Mn綜合(he)力學性(xing)(xing)能(neng)好,低溫(wen)性(xing)(xing)能(neng),冷沖壓(ya)性(xing)(xing)能(neng),焊接性(xing)(xing)能(neng)和(he)可切削性(xing)(xing)能(neng)都好,主要(yao)用于礦山,運(yun)輸,化(hua)工等各(ge)種機(ji)械
16MnRE性(xing)能(neng)與16Mn鋼(gang)相似,沖擊(ji)韌(ren)性(xing)和冷(leng)彎(wan)性(xing)能(neng)比16Mn好(hao),用途同于16Mn鋼(gang)