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σb1617沖擊功 Akv28硬 度61～64HRC目錄1設(shè)備介紹?特性?對(duì)應(yīng)牌號(hào)2物理性能?化學(xué)成份?力學(xué)性能?熱處理規(guī)范?金相組織?交貨狀態(tài)設(shè)備介紹播報(bào)編輯標(biāo)準(zhǔn)： DIN 17230(1980) Ball and Roller Bearing Steels鋼組： 軸承鋼特性100cr6軸承鋼，韌性較好，具有較好的回火穩(wěn)定性，熱處理時(shí)變形小。該鋼中碳化物分布均勻，不易析出碳化物網(wǎng)，并易于正火消除，通過(guò)正火可以消除網(wǎng)狀以及粗片碳化物組織。但是抗壓強(qiáng)度和耐磨性不足，加工性較差。該鋼的表面殘余含碳量為0.6%—0.7%的脫碳層時(shí)，由于碳化物的減少使得表面層的過(guò)熱敏感性增大。經(jīng)正常加熱淬火以后表面硬度仍可以達(dá)到60—62HRC，但其抗彎強(qiáng)度卻下降40%—50%。表面層晶粒度達(dá)到7級(jí)，心部為10級(jí)。該鋼鍛造性能良好，由于易脫碳，需要在中性氣氛或者保護(hù)氣氛爐中加熱。施以鍛熱調(diào)質(zhì)處理，可以獲得細(xì)密的回火索氏體組織，簡(jiǎn)化工藝，省時(shí)節(jié)電，既有良好的切削加工性能，又有理想的余熱處理組織。該鋼受熱軟化溫度為320℃，淬透性比鉻鋼好，油淬淬硬性深度40—50mm。該鋼零保溫淬火韌化工藝，可以消除搓絲=板因常規(guī)淬火加熱氧化脫碳造成的早期失效，不均勻奧氏體修或可以細(xì)化馬氏體，搓火后得到隱晶馬氏體或者細(xì)針狀馬氏體，這種組織強(qiáng)韌性好。用途宜制作壁厚≤12mm、外徑≤250mm 的各種軸承套圈、鋼球直徑≤50mm、圓錐、球面滾子直徑≤22mm及所有尺寸的滾針；還可用于制造量具、模具、木工刀具。制造內(nèi)燃機(jī)。電機(jī)車(chē)、機(jī)床、拖拉機(jī)、軋鋼設(shè)備、鉆探機(jī)、鐵道車(chē)輛以及礦山機(jī)械等傳動(dòng)軸上的鋼球、滾子和軸套等。對(duì)應(yīng)牌號(hào)100cr6是軸承鋼，相當(dāng)與我國(guó)的GCr15。綜合性能良好。淬火和和回火后硬度高而均勻，耐磨性、接觸疲勞強(qiáng)度高。熱加工性好，球化退火后有良好的可加工性，但對(duì)形成白點(diǎn)敏感。100cr6用于制造內(nèi)燃機(jī)。電機(jī)車(chē)、機(jī)床、拖拉機(jī)、軋鋼設(shè)備、鉆探機(jī)、鐵道車(chē)輛以及礦山機(jī)械等傳動(dòng)軸上的鋼球、滾子和軸套等。物理性能播報(bào)編輯化學(xué)成份碳 C ：0.95～1.05硅 Si：0.15～0.35錳 Mn：0.25～0.45硫 S ：≤0.025磷 P ：≤0.025鉻 Cr：1.40～1.65鎳 Ni：允許殘余含量≤0.30銅 Cu：允許殘余含量≤0.25鉬 Mo：允許殘余含量≤0.08注：允許殘余含量Ni+Cu≤0.50力學(xué)性能試樣尺寸：某試樣熱處理規(guī)范熱處理規(guī)范：850～860℃淬火，油冷；160℃回火2h。金相組織金相組織：回火馬氏體。交貨狀態(tài)以熱軋（鍛制）退火，不退火，退火剝皮鋼、冷拉（軋）圓鋼，磨光圓鋼、熱軋鋼管，退火剝皮鋼管、冷拉（軋）鋼管八種狀態(tài)交貨。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(xún)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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