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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化晶粒結(jié)構(gòu)，有效降低過熱敏感性，兼具高強度與高韌性特征。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，抗拉強度可達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)動機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)材料特性播報編輯彈簧鋼通過添加0.15-0.25%釩元素實現(xiàn)晶粒細化，將原奧氏體晶粒度提升1-2級，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，彈性極限達到980MPa級別。其疲勞強度在10^7次循環(huán)條件下可達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)性能播報編輯基礎(chǔ)成分包含：碳（C）：0.47-0.55% 控制基體強度錳（Mn）：0.65-0.95% 提高淬透性鉻（Cr）：0.80-1.10% 增強抗氧化能力釩（V）：0.15-0.25% 細化晶粒結(jié)構(gòu)典型力學(xué)參數(shù)：抗拉強度：1274-1372MPa屈服強度：≥1127MPa伸長率：≥10%斷面收縮率：≥25% [1]加工工藝播報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℃，保溫時間1.5小時/25mm厚度應(yīng)用領(lǐng)域播報編輯在汽車制造業(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PN16-PN40液壓活塞彈簧：行程載荷比≥1:2.5重型機械緩沖彈簧：截面直徑＞50mm [2]產(chǎn)品形態(tài)與規(guī)格播報編輯板材產(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：EN 10089 51CrV4檢測規(guī)范要求：超聲波探傷符合SEP1921-d級標(biāo)準(zhǔn)金相檢驗按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?|?京ICP證030173號?京公網(wǎng)安備11000002000001號window.PAGE_DATA= 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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：抗拉強度 σb (MPa)：≥1274(130)屈服強度 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,±30℃)?！窠回洜顟B(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)各國牌號對應(yīng)美國牌號：G61500對應(yīng)國產(chǎn)牌號：50CrVA對應(yīng)德國牌號：50CrV4對應(yīng)英國牌號：735A51對應(yīng)法國牌號：50CV4
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