20#鋼-產品信(xin)息 產品名稱:碳素鋼(gang)管 牌號鋼號:20#鋼
20#鋼執行標(biao)準:GB/T 8163-2008▇ 產品特性及用(yong)途 20號鋼(gang)(gang)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)是由整支圓鋼(gang)(gang)穿孔而成(cheng)的(de),表面上沒有焊縫(feng)(feng)的(de)鋼(gang)(gang)管(guan)(guan),稱(cheng)之為(wei)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)。根據生產方法,無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)可分(fen)熱軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)、冷(leng)軋(ya)無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)、冷(leng)拔無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)、擠壓無(wu)(wu)縫(feng)(feng)鋼(gang)(gang)管(guan)(guan)、頂(ding)管(guan)(guan)等。
20號鋼(gang)(gang)無(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)按照斷(duan)面形(xing)(xing)狀(zhuang),無(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)分圓形(xing)(xing)和(he)異形(xing)(xing)兩(liang)種(zhong),異形(xing)(xing)管(guan)有(you)方形(xing)(xing)、橢圓形(xing)(xing)、三角(jiao)形(xing)(xing)、六角(jiao)形(xing)(xing)、瓜子形(xing)(xing)、星(xing)形(xing)(xing)、帶翅管(guan)多(duo)種(zhong)復雜形(xing)(xing)狀(zhuang)。******直(zhi)徑(jing)達900mm,***小直(zhi)徑(jing)為4mm。根據用(yong)途不同,有(you)厚(hou)壁(bi)無(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)和(he)薄壁(bi)無(wu)(wu)(wu)縫鋼(gang)(gang)管(guan)。
無縫鋼管主要(yao)用做石油地質鉆(zhan)探(tan)管、石油化工(gong)用的裂(lie)化管、鍋爐管、軸承管以及(ji)汽(qi)車、拖拉(la)機、航(hang)空用高精度結構鋼管。
1.結構用(yong)無縫(feng)管(GB/T8162-2008)
2.流體輸送用無縫(feng)管(GB/T8163-2008)
3.低中壓鍋爐(lu)用無縫(feng)管(GB3087-2008)
4.高壓(ya)鍋爐用無縫管(guan)(GB5310-2008)
5.化(hua)肥設備(bei)用高壓無縫管(guan)(GB6479-2000)
6.石油裂(lie)化(hua)用無縫管(GB9948-2006)
7.地(di)質鉆(zhan)探用鋼管(YB235-70)
8.金剛石(shi)巖芯鉆探用無縫管(GB3423-82)
9.石(shi)油鉆(zhan)探(tan)管(YB528-65)
10.船舶用碳鋼無縫管(guan)(GB5312-85)
▇ 加工能(neng)力 ▇ 產(chan)品實拍
▇ 機(ji)械性能(neng) 抗(kang)剪強度(du):275~392MPa抗(kang)拉強度(du):253~500MPa屈服(fu)強度(du):275MPa延(yan)伸率為:25%。未(wei)熱(re)處(chu)理態,硬度(du):≤156HBS退火溫度(du)只(zhi)要600-650度(du),保溫時間在1-2h
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