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(fen)圓形(xing)(xing)和(he)異(yi)形(xing)(xing)兩種(zhong),異(yi)形(xing)(xing)管(guan)(guan)(guan)有(you)(you)方形(xing)(xing)、橢圓形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜(gua)子形(xing)(xing)、星形(xing)(xing)、 帶(dai)翅(chi)管(guan)(guan)(guan)多(duo)種(zhong)復雜形(xing)(xing)狀。******直徑(jing)達650mm,最(zui)小直徑(jing)為 0.3mm。根據用(yong)途不同, 有(you)(you)厚壁管(guan)(guan)(guan)和(he)薄(bo)壁管(guan)(guan)(guan)。無縫鋼管(guan)(guan)(guan)主(zhu)要用(yong)做石油地質(zhi)鉆(zhan)探(tan)管(guan)(guan)(guan)、石油化工(gong)用(yong)的裂化管(guan)(guan)(guan)、鍋 爐管(guan)(guan)(guan)、軸承(cheng)管(guan)(guan)(guan)以及汽(qi)車、拖拉機、航空用(yong)高精度結構鋼管(guan)(guan)(guan)。
Q345D無(wu)縫鋼管主要(yao)應(ying)用(yong)于船舶,鍋爐,壓力容器(qi),石(shi)油儲(chu)罐,橋梁,電站設備,起重運輸機械及其(qi)他較高載荷的(de)焊接(jie)結構件。
Q345D無縫(feng)鋼管(guan)主要特性(xing):
綜合力學性(xing)(xing)能好,焊(han)接性(xing)(xing),冷,熱加(jia)工性(xing)(xing)能和耐(nai)腐蝕(shi)性(xing)(xing)能均好,具有良好的低(di)溫韌性(xing)(xing)
Q345D無縫鋼管(guan)產品應(ying)用:
船舶,鍋爐,壓力容(rong)器,石油儲罐,橋梁(liang),電站(zhan)設備,起重運輸機械及(ji)其(qi)他較高載荷的焊接結構件(jian)
Q345D無(wu)縫鋼(gang)管舊標準對照:
18Nb含Nb鎮(zhen)靜鋼,性(xing)能(neng)與(yu)14MnNb相(xiang)近,主(zhu)要用(yong)于起重機(ji)(ji),鼓風機(ji)(ji),化工(gong)機(ji)(ji)械等
09MnCuPTi耐(nai)大氣腐(fu)蝕用(yong)(yong)鋼(gang),低溫沖(chong)擊韌性好,可焊性,冷熱加(jia)工性能都好,主要用(yong)(yong)于潮濕多雨地區和腐(fu)蝕氣氛環(huan)境的各種(zhong)機械(xie)
12MnV工(gong)作(zuo)溫(wen)度(du)(du)為-70度(du)(du)低溫(wen)用(yong)鋼,主要用(yong)于冷(leng)凍(dong)機械(xie),低溫(wen)下工(gong)作(zuo)的(de)結構件(jian)
14MnNb性(xing)能與18Nb鋼相近,主要用于工作(zuo)溫(wen)度-20--450度的容器及其他結(jie)構件
16Mn綜(zong)合力學性(xing)能(neng)好(hao),低溫性(xing)能(neng),冷沖壓性(xing)能(neng),焊接性(xing)能(neng)和可(ke)切削性(xing)能(neng)都好(hao),主要用于(yu)礦山,運輸,化工等各(ge)種機械
16MnRE性(xing)能(neng)與16Mn鋼相(xiang)似(si),沖(chong)擊韌(ren)性(xing)和冷彎(wan)性(xing)能(neng)比16Mn好,用(yong)途同于16Mn鋼