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(yuan)形(xing)(xing)和異形(xing)(xing)兩種(zhong),異形(xing)(xing)管(guan)(guan)(guan)(guan)有(you)方(fang)形(xing)(xing)、橢圓(yuan)形(xing)(xing)、三角(jiao)形(xing)(xing)、六角(jiao)形(xing)(xing)、瓜子(zi)形(xing)(xing)、星形(xing)(xing)、 帶翅管(guan)(guan)(guan)(guan)多種(zhong)復雜形(xing)(xing)狀。******直徑達650mm,最(zui)小直徑為(wei) 0.3mm。根據用途不同(tong), 有(you)厚壁(bi)管(guan)(guan)(guan)(guan)和薄(bo)壁(bi)管(guan)(guan)(guan)(guan)。無縫(feng)鋼管(guan)(guan)(guan)(guan)主要用做石(shi)油地質(zhi)鉆探管(guan)(guan)(guan)(guan)、石(shi)油化工用的裂化管(guan)(guan)(guan)(guan)、鍋 爐管(guan)(guan)(guan)(guan)、軸承管(guan)(guan)(guan)(guan)以(yi)及汽車、拖(tuo)拉機、航空用高精度結構鋼管(guan)(guan)(guan)(guan)。
Q345D無縫鋼管主要應用于船(chuan)舶,鍋爐,壓力容器(qi),石(shi)油儲罐,橋梁,電站(zhan)設備(bei),起重運輸(shu)機械(xie)及其(qi)他較(jiao)高載(zai)荷的焊接結構件。
Q345D無縫鋼管主要特性(xing):
綜合力(li)學性能好,焊接性,冷,熱(re)加(jia)工性能和耐(nai)腐蝕性能均好,具(ju)有良好的低(di)溫韌性
Q345D無(wu)縫鋼管產品應用:
船(chuan)舶,鍋爐,壓力容器,石(shi)油(you)儲罐,橋梁,電站(zhan)設備,起重運(yun)輸機械(xie)及其他較(jiao)高載荷的焊接(jie)結構件(jian)
Q345D無縫鋼管(guan)舊(jiu)標準(zhun)對照(zhao):
18Nb含Nb鎮靜鋼,性(xing)能與14MnNb相近,主要用于起重機(ji),鼓風機(ji),化工(gong)機(ji)械等
09MnCuPTi耐大氣(qi)腐蝕用(yong)鋼(gang),低溫(wen)沖擊韌性好(hao),可焊(han)性,冷熱加(jia)工性能都好(hao),主要用(yong)于潮(chao)濕多雨地區和(he)腐蝕氣(qi)氛環(huan)境(jing)的(de)各(ge)種機(ji)械
12MnV工作溫(wen)度(du)為-70度(du)低溫(wen)用(yong)鋼,主(zhu)要(yao)用(yong)于冷凍機(ji)械,低溫(wen)下工作的結構件(jian)
14MnNb性(xing)能與18Nb鋼相(xiang)近(jin),主要用于工(gong)作溫度(du)-20--450度(du)的容器及(ji)其(qi)他結構件(jian)
16Mn綜合力學性(xing)(xing)能(neng)好(hao),低溫性(xing)(xing)能(neng),冷沖壓(ya)性(xing)(xing)能(neng),焊(han)接性(xing)(xing)能(neng)和可切削(xue)性(xing)(xing)能(neng)都(dou)好(hao),主要用于礦山,運輸(shu),化工等(deng)各種機械
16MnRE性(xing)能與16Mn鋼相似,沖(chong)擊(ji)韌性(xing)和冷(leng)彎性(xing)能比16Mn好,用途同于16Mn鋼