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M42高速鋼特種鋼板-碳素鋼/模具鋼系列
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.index-module_taskLogo__71Tj5{height:66px;position:absolute;right:30px;top:0;width:66px}.index-module_drawerHand__aRhcO.index-module_open__qMl5O{right:480px}.index-module_reverse__OKr6k{transform:rotate(180deg)}網(wǎng)頁新聞貼吧知道網(wǎng)盤圖片視頻地圖文庫資訊采購百科百度首頁登錄注冊進(jìn)入詞條全站搜索幫助首頁秒懂百科特色百科知識專題加入百科百科團(tuán)隊權(quán)威合作個人中心收藏查看我的收藏0有用+10M42高速鋼播報討論上傳視頻高鈷韌性高速鋼M42高速鋼是一種高鈷韌性高速鋼，主要用于高韌性精密耐磨五金冷沖模，也可用于切割工具及刀中冷卻。中文名M42高速鋼外文名M42 high speed steel釋 義高鈷韌性高速鋼應(yīng)用領(lǐng)域合金行業(yè)目錄1產(chǎn)品介紹2用途特性3熱處理4化學(xué)成分5相關(guān)資料6供貨狀態(tài)7對應(yīng)牌號8應(yīng)用舉例產(chǎn)品介紹播報編輯M42高速鋼M42鋼材（W2Mo9Cr4VCo8）是高鈷韌性高速鋼，鋼材硬度高，可達(dá)70HRC，熱硬性好，高溫硬度高，容易磨削。用該鋼制造的切削工具，可以切削鐵基高溫合金、鑄造高溫合金、鈦合金和超高強(qiáng)度鋼等，但韌性稍差，淬火時溫度應(yīng)采用下限。由于可磨削性能好，所以可用來制造各種高精度復(fù)雜刀具。W2Mo9Cr4VCo8 鋼代號 M42. 是美國牌號的超硬鈷高速工具鋼, M42鋼中釩的質(zhì)量分?jǐn)?shù)不高 (1%), 鈷的質(zhì)量分?jǐn)?shù)高 (8%), 鈷能促使碳化物在淬火加熱時更多地溶解在基體內(nèi), 利用高的基體硬度提高耐磨性。該鋼的硬度、熱硬性、耐磨柱及磨削性都很好。熱處理硬度可達(dá) 67~70HRC, 但也有采取特殊熱處理方法, 得到硬度 67 ~68HRC,使其切削性能 (特別是間斷切削) 得到改善, 提高沖擊韌度。該鋼可制成各種刀具,切削難加工材料時效果很好, 又因其磨削性能好. 可制成復(fù)雜刀具, 但中國鈷資源缺乏, 鈷高速鋼價格昂貴, 約為普通高速鋼的5~8倍。國產(chǎn)鈷高速鋼在淬回火硬度、熱硬性、使用性能等方面都有了一定的提高, 接近或達(dá)到了進(jìn)口鋼材水平。淬火、回火后硬度≥67HRC, 均勻度≤±0.5%。產(chǎn)品規(guī)格: φ10~150mm, 熱軋、鍛制圓鋼、矩形材、方鋼、鍛件等。按 GB/T 9943-2008 標(biāo)準(zhǔn)或用戶要求組織生產(chǎn)。超硬速鋼是為了適應(yīng)加工難切削材料, 如耐熱合金等的需要, 在綜合高碳高釩高速鋼與高碳高鈷高速鋼優(yōu)點(diǎn)的基礎(chǔ)上發(fā)展起來的。一般在使用時硬度≥64HRC。該鋼的工藝性能優(yōu)于 M2Al鋼, 冷熱加工性能較好; 淬、回火后硬度與 M35 鋼相同, 為 (66±1)HRC。M42粉末高速鋼,組織更加細(xì)化，性能更加優(yōu)異，價格相對更高。 [1]用途特性播報編輯用途適用于制造各種強(qiáng)力切割用耐磨、耐沖擊工具。高級沖模，螺絲模，較需韌性及形狀復(fù)雜的沖頭等。刀具業(yè):刮刀,滾齒刀,鐵刀,鉆頭等。鍛造業(yè):鍛造模具。螺絲業(yè):六角等打頭成型模具,牙攻,沖頭 。特性高紅熱硬度,高耐磨耗性與切削能力,高沖擊韌性.晶粒細(xì)致均勻,韌性高。碳化物顆粒細(xì)、硬度高，耐磨性好熱處理播報編輯等溫退火火:溫度800~880℃，以10~20℃，dHr爐冷至約600℃，硬度在HB269以上。預(yù)熱溫度：730-845℃淬火溫度：1190-1210℃回火溫度：540-595℃冷拉態(tài)，硬度285HBS，冷拉后退火態(tài)，硬度277HBS淬火方式：油淬、空冷或鹽浴淬火化學(xué)成分播報編輯CSiMnPSCrVWMoCO1.00~1.15≤0.65≤0.40≤0.030≤0.0303.50~4.500.95~1.351.15~1.859.0~10.07.50~8.50相關(guān)資料播報編輯高速鋼一般不做抗拉強(qiáng)度檢驗，而以金相、硬度檢驗為主。鎢系和鉬系高速鋼經(jīng)正確的熱處理后，洛氏硬度能達(dá)到63以上，鈷系高速鋼在65以上。鋼材的酸浸低倍組織不得有肉眼可見的縮孔 、翻皮。中心疏松，一般疏松應(yīng)小于1級。金相檢驗的內(nèi)容主要包括脫碳層、顯微組織和碳化物不均勻度3個項目。高速鋼不應(yīng)有明顯的脫碳。顯微組織不得有魚骨狀共晶萊氏體存在。高速鋼中碳化物不均勻度對質(zhì)量影響最大，目前冶金和機(jī)械部門對碳化物不均勻度的級別 十分重視。根據(jù)鋼的不同用途可對碳化物不均勻度提出不同的級別要求，通常情況下應(yīng)小于3級。用高速鋼制造切削工具，除因其具有高硬度、高耐磨性和足夠的韌性之外，還有一個重要因素是具有紅硬性。紅硬性是指刀具在高速切削時，刀刃在紅熱狀態(tài)下抵抗軟化的能力。一種衡量紅硬性的方法是先把鋼加熱至580～650℃，保溫1小時,然后冷卻,這樣反復(fù)4次后測量其硬度值。 高速鋼的淬火溫度一般均接近鋼的熔點(diǎn)，如鎢系高速鋼為1210～1240℃，高鉬系高速鋼為1180～1210℃。淬火后一般需在 540～560℃之間回火3次。提高淬火溫度可以增加鋼的紅硬性。為了提高高速鋼刀具的使用壽命，可對其表面進(jìn)行強(qiáng)化處理，如低溫氰化、氮化、硫氮共滲等。供貨狀態(tài)播報編輯退火態(tài)硬度≤269HBW, 冷拉態(tài)硬度≤285HBW, 冷拉后退火態(tài)硬度≤277HBW。對應(yīng)牌號播報編輯美國AISI標(biāo)準(zhǔn)牌號 M42、中國 GB 標(biāo)準(zhǔn)牌號 W2Mo9Cr4VCo8、日本JIS標(biāo)準(zhǔn)牌號SKH55、日本日立(HITACHI)標(biāo)準(zhǔn)牌號YXM42、日本不二越(NACHI)標(biāo)準(zhǔn)牌號HSD42、德國 DIN 標(biāo)準(zhǔn)牌號 S2-10-1-8、德國 DIN 標(biāo)準(zhǔn)材料編號 1.3247、奧地利百祿(BOHLER)標(biāo)準(zhǔn)牌號 S500。應(yīng)用舉例播報編輯(1) 適于制作各種強(qiáng)力切割用耐磨、耐沖擊工具(2) 用于制作各種高硬及超高硬鋸條、鉆頭、絲錐、拉刀、滾刀及各種銑刀。(3) 用于高級沖模、螺絲模以及較需韌性及形狀復(fù)雜的沖頭等。(4) 用于冷鍛模和拉深模等。(5) 推薦表殼廠、螺絲廠等冷沖壓制品行業(yè)使用.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?2024?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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利用高的基體硬度提高耐磨性。該鋼的硬度、熱硬性、耐磨柱及磨削性都很好。熱處理硬度可達(dá) 67~70HRC, 但也有采取特殊熱處理方法, 得到硬度 67 ~68HRC,使其切削性能 (特別是間斷切削) 得到改善, 提高沖擊韌度。該鋼可制成各種刀具,切削難加工材料時效果很好, 又因其磨削性能好. 可制成復(fù)雜刀具, 但中國鈷資源缺乏, 鈷高速鋼價格昂貴, 約為普通高速鋼的5~8倍。國產(chǎn)鈷高速鋼在淬回火硬度、熱硬性、使用性能等方面都有了一定的提高, 接近或達(dá)到了進(jìn)口鋼材水平。淬火、回火后硬度≥67HRC, 均勻度≤±0.5%。產(chǎn)品規(guī)格: φ10~150mm, 熱軋、鍛制圓鋼、矩形材、方鋼、鍛件等。按 GB/T 9943-2008 標(biāo)準(zhǔn)或用戶要求組織生產(chǎn)。超硬速鋼是為了適應(yīng)加工難切削材料, 如耐熱合金等的需要, 在綜合高碳高釩高速鋼與高碳高鈷高速鋼優(yōu)點(diǎn)的基礎(chǔ)上發(fā)展起來的。一般在使用時硬度≥64HRC。該鋼的工藝性能優(yōu)于 M2Al鋼, 冷熱加工性能較好; 淬、回火后硬度與 M35 鋼相同, 為 (66±1)HRC。M42粉末高速鋼,組織更加細(xì)化，性能更加優(yōu)異，價格相對更高。用途特性用途適用于制造各種強(qiáng)力切割用耐磨、耐沖擊工具。高級沖模，螺絲模，較需韌性及形狀復(fù)雜的沖頭等。刀具業(yè):刮刀,滾齒刀,鐵刀,鉆頭等。鍛造業(yè):鍛造模具。螺絲業(yè):六角等打頭成型模具,牙攻,沖頭 。特性高紅熱硬度,高耐磨耗性與切削能力,高沖擊韌性.晶粒細(xì)致均勻,韌性高。碳化物顆粒細(xì)、硬度高，耐磨性好熱處理 等溫退火火:溫度800~880℃，以10~20℃，dHr爐冷至約600℃，硬度在HB269以上。預(yù)熱溫度：730-845℃淬火溫度：1190-1210℃回火溫度：540-595℃冷拉態(tài)，硬度285HBS，冷拉后退火態(tài)，硬度277HBS淬火方式：油淬、空冷或鹽浴淬火化學(xué)成分CSiMnPSCrVWMoCO1.00~1.15≥0.65≥0.40≥0.030≥0.0303.50~4.500.95~1.351.15~1.859.0~10.07.50~8.50 相關(guān)資料高速鋼一般不做抗拉強(qiáng)度檢驗，而以金相、硬度檢驗為主。鎢系和鉬系高速鋼經(jīng)正確的熱處理后，洛氏硬度能達(dá)到63以上，鈷系高速鋼在65以上。鋼材的酸浸低倍組織不得有肉眼可見的縮孔 、翻皮。中心疏松，一般疏松應(yīng)小于1級。金相檢驗的內(nèi)容主要包括脫碳層、顯微組織和碳化物不均勻度3個項目。高速鋼不應(yīng)有明顯的脫碳。顯微組織不得有魚骨狀共晶萊氏體存在。高速鋼中碳化物不均勻度對質(zhì)量影響最大，目前冶金和機(jī)械部門對碳化物不均勻度的級別 十分重視。根據(jù)鋼的不同用途可對碳化物不均勻度提出不同的級別要求，通常情況下應(yīng)小于3級。用高速鋼制造切削工具，除因其具有高硬度、高耐磨性和足夠的韌性之外，還有一個重要因素是具有紅硬性。紅硬性是指刀具在高速切削時，刀刃在紅熱狀態(tài)下抵抗軟化的能力。一種衡量紅硬性的方法是先把鋼加熱至580～650℃，保溫1小時,然后冷卻,這樣反復(fù)4次后測量其硬度值。 高速鋼的淬火溫度一般均接近鋼的熔點(diǎn)，如鎢系高速鋼為1210～1240℃，高鉬系高速鋼為1180～1210℃。淬火后一般需在 540～560℃之間回火3次。提高淬火溫度可以增加鋼的紅硬性。為了提高高速鋼刀具的使用壽命，可對其表面進(jìn)行強(qiáng)化處理，如低溫氰化、氮化、硫氮共滲等。供貨狀態(tài)退火態(tài)硬度≤269HBW, 冷拉態(tài)硬度≤285HBW, 冷拉后退火態(tài)硬度≤277HBW。對應(yīng)牌號美國AISI標(biāo)準(zhǔn)牌號 M42、中國 GB 標(biāo)準(zhǔn)牌號 W2Mo9Cr4VCo8、日本JIS標(biāo)準(zhǔn)牌號SKH55、日本日立(HITACHI)標(biāo)準(zhǔn)牌號YXM42、日本不二越(NACHI)標(biāo)準(zhǔn)牌號HSD42、德國 DIN 標(biāo)準(zhǔn)牌號 S2-10-1-8、德國 DIN 標(biāo)準(zhǔn)材料編號 1.3247、奧地利百祿(BOHLER)標(biāo)準(zhǔn)牌號 S500。應(yīng)用舉例1) 適于制作各種強(qiáng)力切割用耐磨、耐沖擊工具2) 用于制作各種高硬及超高硬鋸條、鉆頭、絲錐、拉刀、滾刀及各種銑刀。3) 用于高級沖模、螺絲模以及較需韌性及形狀復(fù)雜的沖頭等。4) 用于冷鍛模和拉深模等。5) 推薦表殼廠、螺絲廠等冷沖壓制品行業(yè)使用.
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