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GCr15圓鋼合金圓鋼-軸承鋼
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A295等標(biāo)準(zhǔn)，統(tǒng)一數(shù)字代號(hào)B00150。主要用于制造滾動(dòng)軸承的滾珠、滾柱、套圈及精密量具、冷沖模等機(jī)械部件，并擴(kuò)展至機(jī)床絲杠、柴油機(jī)油泵偶件等領(lǐng)域。其化學(xué)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(yán)格控制。通過(guò)淬火（860℃油淬）加低溫回火（150-170℃）處理，硬度達(dá)HRC61-67，具備高耐磨性和接觸疲勞強(qiáng)度，但焊接性能差且對(duì)白點(diǎn)敏感。制造需采用電渣重熔或真空冶煉技術(shù)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(yīng)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(guò)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(jiǎn)介2簡(jiǎn)介3制造方法4用途5特性6重量計(jì)算方式產(chǎn)品簡(jiǎn)介播報(bào)編輯軸承鋼 概述軸承鋼是用來(lái)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(yīng)用最廣泛的高碳鉻軸承鋼。經(jīng)過(guò)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(duì)形成白點(diǎn)敏感性能大，有回火脆性。化學(xué)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(shí)，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?！趶?qiáng)度高.熱加工性能好.含有較多的合金元素,價(jià)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(hào),被世界廣泛采用.但是白點(diǎn)敏感性強(qiáng),焊接性能較差.用途:用于制作各種軸承套圈和滾動(dòng)體.例如:制作內(nèi)燃機(jī)、電動(dòng)機(jī)車(chē)、汽車(chē)、拖拉機(jī)、機(jī)床、軋鋼機(jī)、鉆 探機(jī)、礦山機(jī)械、通用機(jī)械,以及高速旋轉(zhuǎn)的個(gè)高載荷機(jī)械傳動(dòng)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(fù)荷較大的小截面調(diào)質(zhì)件和應(yīng)力較小的大型正火零件. 具務(wù)了軸承的耐磨性,也加強(qiáng)了頂也鋼性.簡(jiǎn)介播報(bào)編輯GCr15軸承鋼是一種合金含量較少、具有良好性能、應(yīng)用最廣泛的高碳鉻軸承鋼。經(jīng)過(guò)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(duì)形成白點(diǎn)敏感性能大，有回火脆性。執(zhí)行標(biāo)準(zhǔn):中國(guó)GB/T18254-2002日本JIS G4805:1991美國(guó)ASTM A295:1998統(tǒng)一數(shù)字代號(hào):B00150化學(xué)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(shí)，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(bào)編輯對(duì)軸承鋼的冶煉質(zhì)量要求很高，需要嚴(yán)格控制硫、磷和非金屬夾雜物的含量和分布，因?yàn)榉墙饘賷A雜物的含量和分布對(duì)軸承鋼的壽命影響很大。對(duì)軸承鋼的基本質(zhì)量要求就是純凈和組織均勻。純凈就是雜質(zhì)元素及非金屬雜物要少，組織均勻是鋼中碳化物要細(xì)小，分布要均勻。夾雜物量愈高，壽命就越短。為了改善冶煉質(zhì)量，近來(lái)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(lái)提高軸承鋼的質(zhì)量。用途播報(bào)編輯除做滾珠、軸承套圈等外，有時(shí)也用來(lái)制造工具，如沖模、量具。特性播報(bào)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(qiáng)度高.熱加工性能好.含有較多的合金元素,價(jià)格比較便宜。重量計(jì)算方式播報(bào)編輯名稱（單位）計(jì)算公式符號(hào)意義計(jì)算舉例圓鋼 盤(pán)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(zhǎng)任務(wù)編輯入門(mén)編輯規(guī)則本人編輯我有疑問(wèn)內(nèi)容質(zhì)疑在線客服官方貼吧意見(jiàn)反饋投訴建議舉報(bào)不良信息未通過(guò)詞條申訴投訴侵權(quán)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(tái)?|?京ICP證030173號(hào)?京公網(wǎng)安備11000002000001號(hào)window.PAGE_DATA= 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G4805及美國(guó)ASTM A295等標(biāo)準(zhǔn)，統(tǒng)一數(shù)字代號(hào)B00150。主要用于..."}window.__abbaidu_2020_subidgetf||(window.__abbaidu_2020_subidgetf=function(){return"01000000"}) 詳細(xì)信息 產(chǎn)地/廠家寶特規(guī)格14-300材質(zhì)GCr15工藝退火分類(lèi)優(yōu)特鋼 軸承鋼 軸承鋼 鋼號(hào) 規(guī)格 產(chǎn)地 可供數(shù)量（噸） 交貨地GCr15 10-14圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 15圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 16圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 18圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 20圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 22圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 25圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 26圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 28圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 30圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 32圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 35圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 38圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 40圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 45圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 60圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 65圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 70圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 75圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 80圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 85圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 90圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 100圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 110圓 大冶/寶鋼 30噸 上海寶山區(qū)GCr15 120圓 大冶/寶鋼 30噸 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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