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)(xing)和(he)異形(xing)(xing)(xing)(xing)(xing)兩種(zhong),異形(xing)(xing)(xing)(xing)(xing)管(guan)(guan)(guan)有方形(xing)(xing)(xing)(xing)(xing)、橢圓形(xing)(xing)(xing)(xing)(xing)、三角形(xing)(xing)(xing)(xing)(xing)、六角形(xing)(xing)(xing)(xing)(xing)、瓜子形(xing)(xing)(xing)(xing)(xing)、星形(xing)(xing)(xing)(xing)(xing)、 帶翅管(guan)(guan)(guan)多種(zhong)復(fu)雜形(xing)(xing)(xing)(xing)(xing)狀。******直(zhi)徑(jing)達650mm,最小直(zhi)徑(jing)為 0.3mm。根(gen)據用(yong)(yong)途不(bu)同, 有厚壁管(guan)(guan)(guan)和(he)薄(bo)壁管(guan)(guan)(guan)。無縫鋼(gang)管(guan)(guan)(guan)主要(yao)用(yong)(yong)做石油(you)地質鉆探管(guan)(guan)(guan)、石油(you)化(hua)工(gong)用(yong)(yong)的裂化(hua)管(guan)(guan)(guan)、鍋 爐(lu)管(guan)(guan)(guan)、軸承管(guan)(guan)(guan)以及(ji)汽車、拖拉(la)機、航空用(yong)(yong)高精度結構鋼(gang)管(guan)(guan)(guan)。
Q345D無縫鋼管主要應用于船舶,鍋爐,壓力容器,石油儲(chu)罐,橋梁,電站設備(bei),起重運輸(shu)機(ji)械及其他較高載荷(he)的(de)焊接結構(gou)件(jian)。
Q345D無(wu)縫鋼管(guan)主(zhu)要特(te)性:
綜合力學(xue)性(xing)(xing)能好,焊(han)接性(xing)(xing),冷,熱加工性(xing)(xing)能和(he)耐腐蝕(shi)性(xing)(xing)能均好,具有良好的低溫韌性(xing)(xing)
Q345D無縫鋼管(guan)產品應用(yong):
船(chuan)舶,鍋爐(lu),壓力容器,石油儲罐,橋梁,電站設備(bei),起重運輸(shu)機械及其他較高載荷的焊接結構件
Q345D無(wu)縫鋼管舊標準對照:
18Nb含(han)Nb鎮靜鋼,性能與14MnNb相(xiang)近,主(zhu)要用于起重機(ji)(ji),鼓風機(ji)(ji),化(hua)工(gong)機(ji)(ji)械等
09MnCuPTi耐大氣腐蝕(shi)(shi)用(yong)鋼,低溫沖(chong)擊(ji)韌(ren)性好,可(ke)焊(han)性,冷(leng)熱加工性能都(dou)好,主要用(yong)于潮濕多(duo)雨地區和腐蝕(shi)(shi)氣氛環境的各種(zhong)機械
12MnV工(gong)作溫度為-70度低(di)溫用鋼,主要用于冷凍機械,低(di)溫下工(gong)作的結構件
14MnNb性能與18Nb鋼相(xiang)近(jin),主要用于(yu)工(gong)作溫度-20--450度的容器及其(qi)他結構件
16Mn綜合力學性能(neng)好,低溫性能(neng),冷沖壓(ya)性能(neng),焊(han)接性能(neng)和可切削性能(neng)都好,主(zhu)要用于礦(kuang)山,運(yun)輸(shu),化工等各種機械
16MnRE性能與16Mn鋼相似,沖(chong)擊韌性和(he)冷彎性能比16Mn好,用途(tu)同于16Mn鋼