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)(xing)(xing)(xing)和(he)異形(xing)(xing)(xing)(xing)兩種(zhong),異形(xing)(xing)(xing)(xing)管(guan)(guan)有方形(xing)(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)、六(liu)角形(xing)(xing)(xing)(xing)、瓜(gua)子形(xing)(xing)(xing)(xing)、星(xing)形(xing)(xing)(xing)(xing)、 帶翅(chi)管(guan)(guan)多種(zhong)復雜(za)形(xing)(xing)(xing)(xing)狀(zhuang)。******直徑達650mm,最小直徑為 0.3mm。根據用(yong)(yong)(yong)途不同(tong), 有厚壁(bi)管(guan)(guan)和(he)薄壁(bi)管(guan)(guan)。無縫鋼管(guan)(guan)主要用(yong)(yong)(yong)做石油(you)地質鉆探管(guan)(guan)、石油(you)化(hua)工用(yong)(yong)(yong)的裂化(hua)管(guan)(guan)、鍋 爐(lu)管(guan)(guan)、軸(zhou)承管(guan)(guan)以及汽(qi)車、拖拉機、航空用(yong)(yong)(yong)高精度(du)結(jie)構鋼管(guan)(guan)。
Q345D無縫鋼管主(zhu)要應用(yong)于船舶,鍋爐,壓力(li)容器,石(shi)油(you)儲罐,橋(qiao)梁,電站(zhan)設(she)備,起(qi)重運輸機械及其他較高載荷的焊接結構件。
Q345D無縫鋼管主要(yao)特性:
綜合力(li)學性(xing)(xing)能好(hao),焊接性(xing)(xing),冷(leng),熱加(jia)工性(xing)(xing)能和耐腐(fu)蝕性(xing)(xing)能均(jun)好(hao),具有良好(hao)的低溫韌性(xing)(xing)
Q345D無縫鋼管(guan)產品應(ying)用:
船(chuan)舶,鍋爐,壓(ya)力(li)容器,石油儲罐(guan),橋(qiao)梁,電站(zhan)設備,起(qi)重運輸機(ji)械及其他(ta)較高載荷的焊接結構(gou)件
Q345D無縫(feng)鋼管舊標(biao)準對照:
18Nb含Nb鎮靜鋼,性能與14MnNb相近,主要用于起重機,鼓風機,化工(gong)機械等
09MnCuPTi耐大氣腐蝕(shi)用(yong)鋼,低溫沖(chong)擊韌性(xing)(xing)好(hao),可焊性(xing)(xing),冷(leng)熱加工性(xing)(xing)能(neng)都好(hao),主(zhu)要(yao)用(yong)于潮濕多雨地區和腐蝕(shi)氣氛環境的各種(zhong)機械
12MnV工作溫度為(wei)-70度低溫用鋼,主要(yao)用于冷凍機(ji)械,低溫下工作的結構件
14MnNb性(xing)能與18Nb鋼相近,主要用于工(gong)作(zuo)溫度(du)(du)-20--450度(du)(du)的容器及(ji)其(qi)他結(jie)構件
16Mn綜合力學(xue)性(xing)能(neng)好(hao),低溫性(xing)能(neng),冷沖壓性(xing)能(neng),焊(han)接性(xing)能(neng)和(he)可切削性(xing)能(neng)都好(hao),主要用于礦山(shan),運輸,化工(gong)等各種機械
16MnRE性(xing)(xing)能與16Mn鋼相似,沖擊韌性(xing)(xing)和冷彎(wan)性(xing)(xing)能比16Mn好,用途同于16Mn鋼