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.block-item .block-title{color:#333;font-size:20px;line-height:1.5}.page-footer-content .block-item .block-title svg{color:#aaa;margin-right:10px}.page-footer-content .block-item .block-content{padding:5px 0 0 30px;width:210px}.page-footer-content .block-item .block-content>a{color:#666;cursor:pointer;float:left;margin-bottom:5px;position:relative;-webkit-text-decoration:none;text-decoration:none;width:90px}.page-footer-content .block-item .block-content>a:hover{color:#338de6;-webkit-text-decoration:none;text-decoration:none}.page-footer-content .block-item .block-content .block-content-new-icon{height:7px;left:52px;position:absolute;top:3px}網(wǎng)頁新聞貼吧知道網(wǎng)盤圖片視頻地圖文庫資訊采購百科百度首頁登錄注冊進入詞條全站搜索幫助首頁秒懂百科特色百科知識專題加入百科百科團隊權威合作個人中心收藏查看我的收藏0有用+10播報討論上傳視頻gcr15圓鋼是一種高碳鉻軸承鋼，執(zhí)行中國GB/T18254-2002、日本JIS G4805及美國ASTM A295等標準，統(tǒng)一數(shù)字代號B00150。主要用于制造滾動軸承的滾珠、滾柱、套圈及精密量具、冷沖模等機械部件，并擴展至機床絲杠、柴油機油泵偶件等領域。其化學成分以碳（0.95%-1.05%）、鉻（1.30%-1.65%）為核心，硫（≤0.020%）、磷（≤0.027%）含量嚴格控制。通過淬火（860℃油淬）加低溫回火（150-170℃）處理，硬度達HRC61-67，具備高耐磨性和接觸疲勞強度，但焊接性能差且對白點敏感。制造需采用電渣重熔或真空冶煉技術以提高組織均勻性，典型工藝包含退火、正火等多階段流程。該材料為全球應用最廣的軸承鋼之一，適用于軸承套圈（壁厚≤12mm）、滾子（直徑）等精密部件的加工，并通過冷拉、剝皮等工藝滿足異型鋼定制需求。中文名C0.95-1.05M n0.20-0.40S i0.15-0.35目錄1產(chǎn)品簡介2簡介3制造方法4用途5特性6重量計算方式產(chǎn)品簡介播報編輯軸承鋼 概述軸承鋼是用來制造滾珠、滾柱和軸承套圈的鋼。GCr15GCr15鋼是一種合金含量較少、具有良好性能、應用最廣泛的高碳鉻軸承鋼。經(jīng)過淬火加回火后具有高而均勻的硬度、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?；瘜W成分/元素含量（%）C：0.95-1.05Mn：0.20-0.40 Si：0.15-0.35 S：＜=0.020 P:＜=0.027 Cr:1.30-1.65其熱處理制度為：鋼棒退火，鋼絲退火或830-840度油淬。熱處理工藝參數(shù)： 1.普通退火：790-810度加熱，爐冷至650度后，空冷——HB170-2072.等溫退火：790-810度加熱，710-720度等溫，空冷——HB207-229 軟化退火|硬度HBS: 179～2173.正 火：900-920度加熱，空冷——HB270-390 軟化退火|溫度/℃: 780～8104.高溫回火：650-700度加熱，空冷——HB229-285 5.淬 火：860度加熱，油淬——HRC62-666.低溫回火：150-170度回火，空冷——HRC61-66 7.碳氮共滲：820-830度共滲1.5-3小時，油淬，-60度至-70度深冷處理+150度至+160回火，空冷——HRC≈67特性:綜合性能良好.球化退火后有良好的切削加工性能.淬火和回火后硬度高而且均勻,耐磨性能和接觸疲 勞強度高.熱加工性能好.含有較多的合金元素,價格比較便宜.GCR15鋼是高碳鉻軸承鋼中使用和生產(chǎn)量最 多的牌號,被世界廣泛采用.但是白點敏感性強,焊接性能較差.用途:用于制作各種軸承套圈和滾動體.例如:制作內(nèi)燃機、電動機車、汽車、拖拉機、機床、軋鋼機、鉆 探機、礦山機械、通用機械,以及高速旋轉的個高載荷機械傳動軸承的鋼球、滾子和套圈.具有高而均勻的硬度,良好的耐磨性.用于制作承受負荷較大的小截面調(diào)質件和應力較小的大型正火零件. 具務了軸承的耐磨性,也加強了頂也鋼性.簡介播報編輯GCr15軸承鋼是一種合金含量較少、具有良好性能、應用最廣泛的高碳鉻軸承鋼。經(jīng)過淬火加回火后具有高而均勻的硬度、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。執(zhí)行標準:中國GB/T18254-2002日本JIS G4805:1991美國ASTM A295:1998統(tǒng)一數(shù)字代號:B00150化學成分S：≤0.020P:≤0.027Cr:1.30-1.65熱處理鋼棒退火，鋼絲退火或830-840度油淬。工藝參數(shù)1.普通退火：790-810度加熱，爐冷至650度后，空冷——HB170-2 GCr15軸承鋼2.等溫退火：790-810度加熱，710-720度等溫，空冷——HB207-2293.正 火：900-920度加熱，空冷——HB270-3904.高溫回火：650-700度加熱，空冷——HB229-2855.淬 火：860度加熱，油淬——HRC62-666.低溫回火：150-170度回火，空冷——HRC61-667.碳氮共滲：820-830度共滲1.5-3小時，油淬，-60度至-70度深冷處理+150度至+160回火，空冷——HRC≈67制造方法播報編輯對軸承鋼的冶煉質量要求很高，需要嚴格控制硫、磷和非金屬夾雜物的含量和分布，因為非金屬夾雜物的含量和分布對軸承鋼的壽命影響很大。對軸承鋼的基本質量要求就是純凈和組織均勻。純凈就是雜質元素及非金屬雜物要少，組織均勻是鋼中碳化物要細小，分布要均勻。夾雜物量愈高，壽命就越短。為了改善冶煉質量，近來已采用電爐冶煉并經(jīng)電渣重熔，亦可采用真空冶煉，真空自耗精煉等新工藝來提高軸承鋼的質量。用途播報編輯除做滾珠、軸承套圈等外，有時也用來制造工具，如沖模、量具。特性播報編輯綜合性能良好.球化退火后有良好的切削加工性能.淬火和回火后硬度高而且均勻,耐磨性能和接觸疲勞強度高.熱加工性能好.含有較多的合金元素,價格比較便宜。重量計算方式播報編輯名稱（單位）計算公式符號意義計算舉例圓鋼 盤條（kg/m）W= 0.006165 ×d×dd = 直徑mm直徑100 mm 的圓鋼，求每m 重量。每m 重量= 0.006165 ×1002=61.65kg新手上路成長任務編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質疑在線客服官方貼吧意見反饋投訴建議舉報不良信息未通過詞條申訴投訴侵權信息封禁查詢與解封?2025?Baidu?使用百度前必讀?|?百科協(xié)議?|?隱私政策?|?百度百科合作平臺?|?京ICP證030173號?京公網(wǎng)安備11000002000001號window.PAGE_DATA= 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上海寶山區(qū)GCr15 130圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 140圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 150-320圓 大冶/寶鋼 30噸 上海寶山區(qū)
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