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T12A彈簧鋼1.0mm全硬彈簧鋼帶

更新日期:2021年07月02日
有效期:360天
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價格:¥20
供貨總量:21000
規格:齊全
所屬行業:五金原材料-> 優特鋼-> 彈簧鋼
關鍵字:T12A彈簧鋼10mm全硬彈簧鋼帶
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T12A彈簧鋼帶
按照化學成分分類:合金彈簧鋼
合金彈簧鋼是在碳素鋼的基礎上,通過適當加入一種或幾種合金元素來提高鋼的力學性能,淬透性和其他性能,以滿足制造各種彈簧所需性能的鋼。
合金彈簧鋼的基本組成系列有,硅錳彈簧鋼,硅鉻彈簧鋼,鉻錳彈簧鋼,鉻釩彈簧鋼,鎢鉻釩彈簧鋼等。在這些系列的基礎上,有一些牌號為了提高其某些方面的性能而加入了鉬,釩或硼等合金元素。
按照生產加工方法分類:冷拉(軋)鋼材包括鋼絲,鋼帶,冷拉材(冷拉圓鋼)。
①冷軋狀態交貨制成彈簧后需進行低溫回火,以消除應力。
②淬火和回火狀態交貨制成彈簧后需進行低溫回火,以削除應力。
③退火火狀態交貨制成彈簧后需進行淬火和回火處理

特性及適用范圍
材料名稱:T12A,執行標準:GB/T1222-1984。T12A合金彈簧鋼是應用廣泛的硅錳彈簧鋼,強度,彈性和淬透性較T12A稍高。60Si2Mn合金彈簧鋼適于鐵道車輛,汽車拖拉機工業上制作承受較大負荷的扁形彈簧或線徑在30mm以下的螺旋彈簧,板簧也適于制作工作溫度在250℃以下非腐蝕介質中的耐熱彈簧以及承受交變負荷及在高應力下工作的大型重要卷制彈簧。
T12A彈簧鋼
化學成份
碳C:0.56~0.6硅
Si:1.50~2.00
錳Mn:0.60~0.90
硫S:≤0.035
磷P:≤0.035
鉻Cr:≤0.35
鎳Ni:≤0.35
銅Cu:≤0.25

力學性能
抗拉強度σb(MPa):≥1274(130)
屈服強度σs(MPa):≥1176(120)
伸長率δ10(%):≥5
斷面收縮率ψ(%):≥25
硬度:熱軋,≤321HB;冷拉+熱處理,≤321HB

熱處理規范及金相組織
熱處理規范:淬火870℃±20℃,油冷;回火480℃±50℃(特殊需要時,±30℃)。
晶相組織:回火屈氏體。
交貨狀態:熱軋鋼材以熱處理或不熱處理狀態交貨,冷拉鋼材以熱處理狀態交貨。

熱處理方法
T12A熱處理方法有等溫回火和分級淬火,亞溫淬火及高溫回火,形變熱處理的工藝方法。使用該方法能有效地提高T12A彈簧鋼的強韌性和使用壽命。T12A屬于彈簧鋼,適宜制作汽車鋼板彈簧。T12A彈簧鋼熱處理有等溫回火和分級淬火,亞溫淬火及高溫回火,形變熱處理的工藝方法。使用該方法能有效地提高60Si2Mn彈簧鋼的強韌性和使用壽命。

熱處理工藝
球化退火:采用850度加熱,油冷淬火,短時間等溫球化工藝(790度加熱25Min,急冷到680度保溫1H,爐冷到500度出爐),可獲得理想的球化組織。60Si2Mn鋼淬火溫度正常取850度~870度,油冷?;鼗饻囟纫暷>吡慵挠捕纫蠖?,如400度回火,硬度46HRC;500度回火,硬度40HRC;600度回火,硬度34HRC。在150~160度之間回火性能得到 的配合,注意必須避開300度左右的回火脆性區。要求有較高韌性的工模具,要求尺寸穩定性好的量具,回火溫度可以提高到250度左右,硬度為55~60HRC,有較好的韌性。AC1-755,Ac3=810,Ar1=700,Ar3=770,Ms-300~305,退火;750C-爐冷-HBS≤222正火;830~860C-空冷-HBS≤302淬火;870C-油-HRC>61不同溫度回火后的硬度值HRC:150C-61,200C-60,300C-56,400C-51,500C-43,550C-38,600C-33,650C-29常用回火溫度430~480C,水或空氣,HRC45~50以下是汽車鋼板彈簧熱處理的參數淬火加熱保溫時間與厚度有關:mm/min,6.5/2,8/3,8.5-10/4,12/5回火保溫時間與厚度有關:mm/min,<10/25-30,10-15/30-35,15-20/40-45,20-25/45-50。

密度
T12A密度為7.85g/cm3。60Si2Mn是應用廣泛的硅錳彈簧鋼,強度,彈性和淬透性較55Si2Mn稍高。適于鐵道車輛,汽車拖拉機工業上制作承受較大負荷的扁形彈簧或線徑在30mm以下的螺旋彈。
T12A彈簧鋼,T12A進口彈簧鋼,T12A彈簧鋼片

國特彈簧鋼庫存:
中厚板,板材,帶鋼,鋼絲,元棒,方棒,扁鋼,六角棒,
彈簧鋼帶:厚度0.02MM-3.0MM寬度5MM-1000MM(軟料)(半硬)(全硬)(特硬)熱處理鋼帶
彈簧鋼棒:直徑0.15MM-300MM長度1000MM-6000MM(軟料)(半硬)
彈簧鋼板:厚度0.15MM-180MM厚度:1.5-4.0mm寬度:260-350mm
厚度:1.0-60.0mm寬度:1000-2000mm長度2000-9000
長寬:300MM*1219MM1250MM*2500MM1500MM*6000MM(軟料)(全硬)

彈簧鋼線:直徑0.10MM-15MM(淬火鋼線)(退火鋼線)
常規現貨供應,特別規格訂做!
硬料鋼帶表面可以拋光,發藍,發黃處理。

彈簧帶鋼產品精度高,耐磨性好,韌性強,質量穩定。

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