冷拔無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)在橫向熱酸(suan)浸試樣上，與鋼(gang)(gang)(gang)的(de)(de)(de)(de)(de)表面呈(cheng)斜交的(de)(de)(de)(de)(de)裂縫(feng)(feng)(feng)(feng)，附近有(you)較嚴重的(de)(de)(de)(de)(de)脫碳，縫(feng)(feng)(feng)(feng)內(nei)常夾有(you)氧化(hua)(hua)物(wu)鱗屑。軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)專用(yong)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)使(shi)用(yong)性(xing)能要求(qiu)標準    軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)又稱高碳鉻無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)，含(han)碳量(liang)(liang)(liang)Wc為(wei)1%左右(you)，含(han)鉻量(liang)(liang)(liang)Wcr為(wei)0.5%-1.65%。軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)又分(fen)為(wei)高碳鉻軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)、無(wu)(wu)(wu)(wu)鉻軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)、滲碳軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)、不銹軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)、中高溫(wen)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)及(ji)防磁軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)六大類。     高碳鉻軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)GCr15是(shi)世(shi)界上生(sheng)(sheng)(sheng)產(chan)(chan)量(liang)(liang)(liang) 的(de)(de)(de)(de)(de)軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)，含(han)碳Wc為(wei)1%左右(you)，含(han)鉻量(liang)(liang)(liang)Wcr為(wei)1.5%左右(you)，從(cong)1901年誕生(sheng)(sheng)(sheng)至今(jin)100多年來，主要成分(fen)基本沒有(you)改(gai)變(bian)，隨著科學技術的(de)(de)(de)(de)(de)進步，研(yan)究工作任在繼續，產(chan)(chan)品(pin)質量(liang)(liang)(liang)不斷提(ti)高，占世(shi)界軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)生(sheng)(sheng)(sheng)產(chan)(chan)總量(liang)(liang)(liang)的(de)(de)(de)(de)(de)80%以(yi)上。以(yi)至于軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)如果(guo)沒有(you)特殊的(de)(de)(de)(de)(de)說明，那就是(shi)指(zhi)GCr15。   軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)是(shi)用(yong)來制造滾(gun)珠、滾(gun)柱和軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)套圈(quan)的(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)。軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)有(you)高而均勻的(de)(de)(de)(de)(de)硬度和耐磨性(xing)，以(yi)及(ji)高的(de)(de)(de)(de)(de)彈性(xing)極(ji)限。對軸(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)(zhou)承(cheng)(cheng)(cheng)(cheng)(cheng)無(wu)(wu)(wu)(wu)縫(feng)(feng)(feng)(feng)鋼(gang)(gang)(gang)管(guan)(guan)(guan)的(de)(de)(de)(de)(de)化(hua)(hua)學成分(fen)的(de)(de)(de)(de)(de)均勻性(xing)、非金(jin)屬夾雜物(wu)的(de)(de)(de)(de)(de)含(han)量(liang)(liang)(liang)和分(fen)布、碳化(hua)(hua)物(wu)的(de)(de)(de)(de)(de)分(fen)布等(deng)要求(qiu)都(dou)十分(fen)嚴格(ge)，是(shi)所(suo)有(you)鋼(gang)(gang)(gang)鐵(tie)生(sheng)(sheng)(sheng)產(chan)(chan)中要求(qiu)嚴格(ge)的(de)(de)(de)(de)(de)鋼(gang)(gang)(gang)種之一。