sup10合金圓鋼-彈簧鋼
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G4801標(biāo)準(zhǔn)的合金彈簧鋼,屬于硅錳系鋼種基礎(chǔ)上添加釩元素改良的品種。該材料通過釩元素細(xì)化晶粒結(jié)構(gòu),有效降低過熱敏感性,兼具高強(qiáng)度與高韌性特征。其典型化學(xué)成分包含碳(0.47-0.55%)、錳(0.65-0.95%)、硅(0.15-0.35%)及鉻(0.80-1.10%)等元素,抗拉強(qiáng)度可達(dá)1274MPa以上,適用于制造高負(fù)荷彈簧部件。該鋼材采用淬火+中溫回火的熱處理工藝,配合冷軋成型技術(shù),可加工成厚度0.15-60mm的板材、帶材及圓棒等多種形態(tài) [1]。在工業(yè)應(yīng)用中主要用于制造汽車板簧、發(fā)動(dòng)機(jī)閥門彈簧及工作溫度低于300℃的活塞彈簧等關(guān)鍵彈性元件 [2]。材料類型合金彈簧鋼執(zhí)行標(biāo)準(zhǔn)JIS G4801-2005 [1]主要合金元素Si、Mn、Cr、V典型硬度28-35HRC [2]抗拉強(qiáng)度≥1274MPa適用溫度<300℃目錄1材料特性2化學(xué)成分與力學(xué)性能3加工工藝4應(yīng)用領(lǐng)域5產(chǎn)品形態(tài)與規(guī)格6相關(guān)標(biāo)準(zhǔn)材料特性播報(bào)編輯彈簧鋼通過添加0.15-0.25%釩元素實(shí)現(xiàn)晶粒細(xì)化,將原奧氏體晶粒度提升1-2級(jí),使材料過熱敏感性降低20%以上。該材料在850℃油淬后經(jīng)500℃回火處理,可獲得體積分?jǐn)?shù)超過95%的回火屈氏體組織,彈性極限達(dá)到980MPa級(jí)別。其疲勞強(qiáng)度在10^7次循環(huán)條件下可達(dá)550MPa,相較于普通碳素彈簧鋼提升約35%。在300℃高溫環(huán)境下仍能保持600MPa以上的屈服強(qiáng)度,抗松弛性能優(yōu)于60Si2Mn等傳統(tǒng)彈簧鋼。化學(xué)成分與力學(xué)性能播報(bào)編輯基礎(chǔ)成分包含:碳(C):0.47-0.55% 控制基體強(qiáng)度錳(Mn):0.65-0.95% 提高淬透性鉻(Cr):0.80-1.10% 增強(qiáng)抗氧化能力釩(V):0.15-0.25% 細(xì)化晶粒結(jié)構(gòu)典型力學(xué)參數(shù):抗拉強(qiáng)度:1274-1372MPa屈服強(qiáng)度:≥1127MPa伸長率:≥10%斷面收縮率:≥25% [1]加工工藝播報(bào)編輯熱成型加工采用兩階段處理:1.鍛造加熱溫度1150-1200℃,終鍛溫度≥850℃2.成型后立即進(jìn)行油淬,冷卻速率控制在50℃/s以上冷軋帶材加工流程:鉛浴淬火處理:將材料加熱至850℃±20℃后浸入500℃±50℃鉛浴連續(xù)軋制變形量控制在30-50%表面粗糙度Ra≤0.8μm [1]熱處理規(guī)范:淬火溫度:850℃±20℃,油冷介質(zhì)回火溫度:460-540℃,保溫時(shí)間1.5小時(shí)/25mm厚度應(yīng)用領(lǐng)域播報(bào)編輯在汽車制造業(yè)中主要用于:變速箱同步器彈簧:承受200-300N/mm2交變應(yīng)力油門復(fù)位彈簧:要求10^6次以上疲勞壽命離合器中置彈簧:工作溫度范圍-40℃至150℃ [2]工業(yè)裝備領(lǐng)域典型應(yīng)用包括:安全閥彈簧:壓力等級(jí)PN16-PN40液壓活塞彈簧:行程載荷比≥1:2.5重型機(jī)械緩沖彈簧:截面直徑>50mm [2]產(chǎn)品形態(tài)與規(guī)格播報(bào)編輯板材產(chǎn)品參數(shù):厚度范圍:1.5 60mm(熱軋);0.15 2.0mm(冷軋)標(biāo)準(zhǔn)寬度:260 2000mm最大板幅:1880mm(特殊訂制) [1]帶材規(guī)格特征:厚度公差:±0.02mm(<2.00mm)卷重范圍:3-8噸內(nèi)徑尺寸:508mm/610mm型材加工能力:圓棒直徑:φ8-φ300mm六角棒對邊距:10-100mm方棒斷面:15×15 150×150mm [1]相關(guān)標(biāo)準(zhǔn)播報(bào)編輯執(zhí)行標(biāo)準(zhǔn)體系包含:日本標(biāo)準(zhǔn):JIS G4801 彈簧鋼技術(shù)條件中國對應(yīng):GB/T 1222 彈簧鋼通用標(biāo)準(zhǔn)歐盟近似牌號(hào):EN 10089 51CrV4檢測規(guī)范要求:超聲波探傷符合SEP1921-d級(jí)標(biāo)準(zhǔn)金相檢驗(yàn)按ASTM E112測定晶粒度硬度檢測采用HRC與HV雙標(biāo)體系 [1-2]的圖片(1張)新手上路成長任務(wù)編輯入門編輯規(guī)則本人編輯我有疑問內(nèi)容質(zhì)疑在線客服官方貼吧意見反饋投訴建議舉報(bào)不良信息未通過詞條申訴投訴侵權(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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美國標(biāo)準(zhǔn) A29M:2005材料簡介材料名稱:SUP10彈簧鋼;材料屬性編輯●特性及適用范圍:SUP10彈簧鋼SUP10彈簧鋼化學(xué)成份:碳 C :0.47~0.55硅 Si:0.15~0.35錳 Mn:0.65~0.95硫 S :≤0.030磷 P :≤0.030鉻 Cr:0.80~1.10鎳 Ni:≤0.35銅 Cu:≤0.25釩 V :0.15~0.25●力學(xué)性能:抗拉強(qiáng)度 σb (MPa):≥1274(130)屈服強(qiáng)度 σs (MPa):≥1127(115)伸長率 δ5 (%):≥10斷面收縮率 ψ (%):≥40硬度 :熱軋,≤321HB;冷拉+熱處理,≤321HB●熱處理規(guī)范及金相組織:熱處理規(guī)范:淬火850℃±20℃,油冷; 回火500℃±50℃(特殊需要時(shí),±30℃)。●交貨狀態(tài):熱軋鋼材以熱處理或不熱處理狀態(tài)交貨,冷拉鋼材以熱處理狀態(tài)交貨。對應(yīng)各國牌號(hào)對應(yīng)美國牌號(hào):G61500對應(yīng)國產(chǎn)牌號(hào):50CrVA對應(yīng)德國牌號(hào):50CrV4對應(yīng)英國牌號(hào):735A51對應(yīng)法國牌號(hào):50CV4