gcr15精密鋼管屬于高級機械結構管系列。精密軸承鋼管哪家好根據國外的技術發展趨勢，gcr15精密鋼管能用焊接管的都不用無縫鋼管薄壁離心砼鋼管塔屬新型復合型結構材料，利用這種結構材料設計的各種輸電線路桿塔結構，gcr15精密鋼管是介于鋼結構和離心鋼筋砼環形截面構件之間的一種新型鋼-砼復合結構，其加工工藝也較簡單，就是在加工好的薄壁鋼管內高速離心上環形砼內襯。定做精密軸承鋼管gcr15精密鋼管和(he)內(nei)襯的(de)環(huan)形(xing)砼使薄壁離心砼鋼管塔也具(ju)備了(le)良(liang)好的(de)共同工作性能(neng)(neng)(neng)，使鋼管有(you)了(le)環(huan)形(xing)砼內(nei)硬襯又使環(huan)形(xing)砼有(you)了(le)鋼管外緊箍，內(nei)硬襯使鋼管增(zeng)強局部穩定性，更能(neng)(neng)(neng)充(chong)分發揮(hui)其抗(kang)(kang)拉性能(neng)(neng)(neng)，外緊箍使砼的(de)單向(xiang)受力狀態變成(cheng)雙(shuang)向(xiang)、三(san)向(xiang)受力，大大提高(gao)了(le)砼的(de)抗(kang)(kang)變形(xing)能(neng)(neng)(neng)力和(he)抗(kang)(kang)壓能(neng)(neng)(neng)力。

GCr15軸承鋼管是一種合金含量較少、具有良好性能、應用廣泛的高碳鉻軸承鋼。經過淬火加低溫回火后具有較高的硬度、均勻的組織、良好的耐磨性、高的接觸疲勞性能。該鋼冷加工塑性中等，切削性能一般，焊接性能差，對形成白點敏感性能大，有回火脆性。GCr15軸承鋼管是一種常用的高碳鉻軸承鋼，具有較高的淬透性，熱處理后可獲得高而均勻的硬度。耐磨性優于GCr9，接觸疲勞強度高，有良好的尺寸穩定性和抗蝕性，冷變形塑性中等，切削性一般，焊接性差，對白點形成敏感，有一類回火脆性。在滾珠軸承制造中，用以軋制壁厚12mm.外徑<250mm的H級至C級的軸承套，直徑25.4-50.8mm的鋼球;直徑<22mm的滾子，此外也可用作承受大負荷.要求高耐磨性.高彈性極限.高接觸疲勞強度的其他機械零件及各種精密量具冷沖模等。如機床的滾珠絲桿，渦輪噴氣發動機噴嘴的噴口.柱塞.活門.襯套等。

Gcr15軸承(cheng)鋼管的(de)(de)(de)(de)特性(xing):綜合(he)性(xing)能良好(hao).球(qiu)化退火(huo)(huo)后(hou)有良好(hao)的(de)(de)(de)(de)切削加(jia)(jia)工性(xing)能.淬(cui)火(huo)(huo)和(he)回火(huo)(huo)后(hou)硬度高(gao)而(er)且均勻,耐(nai)(nai)磨性(xing)能和(he)接觸疲勞強(qiang)度高(gao)。熱加(jia)(jia)工性(xing)能好(hao)。含有叫多的(de)(de)(de)(de)合(he)金元(yuan)素,價格比較便宜.GCR15鋼是(shi)高(gao)碳鉻軸承(cheng)鋼中使用(yong)(yong)和(he)生產(chan)量最多的(de)(de)(de)(de)牌號,被世(shi)界廣泛采用(yong)(yong).但(dan)是(shi)白點(dian)敏(min)感性(xing)強(qiang),焊接性(xing)能較差。Gcr15軸承(cheng)鋼管的(de)(de)(de)(de)主(zhu)要用(yong)(yong)途:用(yong)(yong)于制(zhi)(zhi)作各種軸承(cheng)套(tao)圈(quan)和(he)滾(gun)動體.例(li)如:制(zhi)(zhi)作內(nei)燃(ran)機(ji)(ji)、電動機(ji)(ji)車、汽車、拖(tuo)拉機(ji)(ji)、機(ji)(ji)床(chuang)、軋(ya)鋼機(ji)(ji)、鉆探機(ji)(ji)、礦山機(ji)(ji)械(xie)、通用(yong)(yong)機(ji)(ji)械(xie),以(yi)及(ji)高(gao)速旋轉的(de)(de)(de)(de)個高(gao)載荷(he)機(ji)(ji)械(xie)傳動軸承(cheng)的(de)(de)(de)(de)鋼秋、滾(gun)子和(he)套(tao)圈(quan).具(ju)有高(gao)而(er)均勻的(de)(de)(de)(de)硬度,良好(hao)的(de)(de)(de)(de)耐(nai)(nai)磨性(xing).用(yong)(yong)于制(zhi)(zhi)作承(cheng)受負荷(he)較大的(de)(de)(de)(de)小截面調(diao)質件和(he)應(ying)力較小的(de)(de)(de)(de)大型正火(huo)(huo)零件.具(ju)務了軸承(cheng)的(de)(de)(de)(de)耐(nai)(nai)磨性(xing),也加(jia)(jia)強(qiang)了頂也鋼性(xing)。

gcr15無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)類、用(yong)途(tu)。由(you)整塊金屬制成的，無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)表(biao)面上沒有(you)接縫(feng)(feng)的鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)，稱(cheng)為無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。根據(ju)生產方法，無(wu)(wu)(wu)縫(feng)(feng)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)熱軋(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)軋(ya)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、冷(leng)拔管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、擠壓管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、頂管(guan)(guan)(guan)(guan)(guan)(guan)(guan)等。按照(zhao)斷面形(xing)(xing)狀，無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)分(fen)圓形(xing)(xing)和(he)異形(xing)(xing)兩種(zhong)，異形(xing)(xing)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)有(you)方形(xing)(xing)、橢圓形(xing)(xing)、三角形(xing)(xing)、六角形(xing)(xing)、瓜子(zi)形(xing)(xing)、星形(xing)(xing)、 帶翅管(guan)(guan)(guan)(guan)(guan)(guan)(guan)多種(zhong)復雜形(xing)(xing)狀。最 大直(zhi)徑達650mm，最小直(zhi)徑為 0.3mm。根據(ju)用(yong)途(tu)不同， 有(you)厚(hou)壁管(guan)(guan)(guan)(guan)(guan)(guan)(guan)和(he)薄(bo)壁管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。gcr15無(wu)(wu)(wu)縫(feng)(feng)鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)主(zhu)要用(yong)做(zuo)石(shi)油地質(zhi)鉆(zhan)探管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、石(shi)油化(hua)工用(yong)的裂化(hua)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、鍋(guo) 爐(lu)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)、軸承管(guan)(guan)(guan)(guan)(guan)(guan)(guan)以及(ji)汽車、拖(tuo)拉(la)機、航空(kong)用(yong)高(gao)精度結構鋼(gang)管(guan)(guan)(guan)(guan)(guan)(guan)(guan)。