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40Cr钢管硬度标准有哪些
作者:admin  来源:本站  发表时间:2019-9-9 13:40:54  点击:128

40cr钢管是一种具有中空截面、周边没有接缝的圆形钢材,用实心管坯经穿孔制成毛管,然后经热轧、冷轧或冷拨制成。


40cr钢管概括

40cr钢管是一种具有中空截面、周边没有接缝的圆形钢材。40cr钢管是用实心管坯经穿孔制成毛管,然后经热轧、冷轧或冷拨制成。40cr钢管具有中空截面,钢管与圆钢等实心钢材相比,在抗弯抗扭强度相同时,重量较轻,是一种经济截面钢材。

LILUNJISUANFANGSHI

40crGANGGUANMEIMIZHONGLIANGDEJISUANGONGSHI:0.02466*BIHOU*(WAIJING-BIHOU)

40cr钢管

GENJUBIAOZHUNGB/T 3077-2008:HUAXUECHENGFEN(ZHILIANGFENSHU,%)C 0.37~0.44、Si 0.17~0.37、Mn 0.50~0.80、Cr0.80~1.10、Ni≤0.30。 【LIXUEXINGNENG】

SHIYANGMAOPICHICUN(mm):25

RECHULI:

DIYICICUIHUOJIAREWENDU(℃):850;LENGQUEJI:YOU

DIERCICUIHUOJIAREWENDU(℃):-

HUIHUOJIAREWENDU(℃):520;LENGQUEJI:SHUI、YOU

KANGLAQIANGDU(σb/MPa):≧980

QUFUDIAN(σs/MPa):≧785

DUANHOUSHENZHANGLV(δ5/%):≧9

DUANMIANSHOUSUOLV(ψ/%):≧45

CHONGJIXISHOUGONG(Aku2/J):≧47

BUSHIYINGDU(HBS100/3000)(TUIHUOHUOGAOWENHUIHUOZHUANGTAI):≦207

【CANKAODUIYINGGANGHAO】

WOGUOGBDEBIAOZHUNGANGHAOSHI40Cr、DEGUODINBIAOZHUNCAILIAOBIANHAO1.17035/1.7045、DEGUODINBIAOZHUNGANGHAO41Cr4/42Gr4、YINGGUOENBIAOZHUNGANGHAO18、YINGGUOBSBIAOZHUNGANGHAO41Cr4、FAGUOAFNORBIAOZHUNGANGHAO42C4、FAGUONFBIAOZHUNGANGHAO38Cr4/41Cr4、YIDALIUNIBIAOZHUNGANGHAO41Cr4、BILISHINBNBIAOZHUNGANGHAO42Cr4、RUIDIANSSBIAOZHUNGANGHAO2245、MEIGUOAISI/SAE/ASTMBIAOZHUNGANGHAO5140、RIBENJISBIAOZHUNGANGHAOSCr440(H)/SCr440、MEIGUOAISI/SAE/ASTMBIAOZHUNGANGHAO5140、GUOJIBIAOZHUNHUAZUZHIISOBIAOZHUNGANGHAO41Cr4。

【LINJIEDIANWENDU】

(JINSIZHI) Acm=780℃

【ZHENGHUOGUIFAN】

WENDU850~870℃,YINGDU179~229HBS。

【LENGYAMAOPIRUANHUACHULIGUIFAN】

WENDU740~760℃,BAOWENSHIJIAN4~6h,ZAIYI5~10℃/hDELENGSU,JIANGWENDAO≤600℃,CHULUKONGLENG。

CHULIQIANYINGDU≤217HBS,RUANHUAHOUYINGDU≤163HBS。

【SHENGTIEXIEBAOHUBAIDONGHUIHUOGUIFAN】

(670±10)℃×2h,SUILUSHENGWEN,(710±10)℃×2h,SUILUJIANGWEN,(670±10)℃×2h,SUILUSHENGWEN,(710±10)℃×2h,ZAISUILUJIANGWEN,(670±10)℃×2h,SUILUSHENGWEN, (710±10)℃×2h,SUILUJIANGWEN,GONG3GEXUNHUAN,ZAIJIANGWENZHI550℃,CHULUKONGLENG。CHULIHOUYINGDU153HBS。

【DIAOZHICHULIGUIFAN】

CUIHUOWENDU850℃ ±10℃,YOULENG;HUIHUOWENDU520℃±10℃,SHUI、YOUKONGLENG。

【TEXING】

ZHONGTANDIAOZHIGANG,LENGDUNMOJUGANG。GAIGANGJIAGESHIZHONG,JIAGONGRONGYI,JINGSHIDANGDERECHULIYIHOUKEHUODEYIDINGDERENXING、SUXINGHENAIMOXING。ZHENGHUOKECUJINZUZHIQIUHUA,GAIJINYINGDUXIAOYU160HBSMAOPIDEQIEXUEXINGNENG。ZAIWENDU550~570℃JINXINGHUIHUO,GAIGANGJUYOUZUIJIADEZONGHELIXUEXINGNENG。GAIGANGDECUITOUXINGGAOYU45GANG,SHIHEYUGAOPINCUIHUO,HUOYANCUIHUODENGBIAOMIANYINGHUACHULIDENG。

【YONGTU】

40cr钢管经调质后用于制造承受中等负荷及中等速度工作的机械零件,如汽车的转向节、后半轴以及机床上的齿轮、轴、蜗杆、花键轴、顶尖套等;经淬火及中温回火后用于制造承受高负荷、冲击及中等速度工作的零件,如齿轮、主轴、油泵转子、滑块、套环等;经淬火及低温回火后用于制造承受重负荷、低冲击及具有耐磨性、截面上实体厚度在25mm以下的零件,如蜗杆、主轴、轴、套环等;经调质并高频表面淬火后用于制造具有高的表面硬度及耐磨性而无很大冲击的零件,如齿轮、套筒、轴、主轴、曲轴、心轴、销子、连杆、 螺钉、螺帽、进气阀等。此外,这种钢又适于制造进行碳氮共渗处理的各种传动零件,如直径较大和低温韧性好的齿轮和轴。

【 GONGHUOZHUANGTAIJIYINGDU】

TUIHUOTAI,YINGDU≤207HBS。

40CrDANXINGMOSHU:DANXINGMOLIANGE(20℃) /MPa 200000~211700 ,QIEBIANMOLIANGG(20℃) 80800

40CrDECUIHUOGONGYI

40CrCUIHUO850℃,YOULENG;HUIHUO520℃,SHUILENG、YOULENG。40CrGANGGUANBIAOMIANCUIHUOYINGDUWEIHRC52-60,HUOYANCUIHUONENGDADAOHRC48-55。

40CrDANHUACHULI

40CrSHUYUKEDANHUAGANG,QISUOHANYUANSUYOULIYUDANHUA。40CrJINGDANHUACHULIHOUKEHUODEJIAOGAODEBIAOMIANYINGDU,40CrDIAOZHIHOUDANHUACHULIYINGDUZUIGAONENGDADAOHRA72~78,JIHRC43~55。

DANHUAGONGJIANGONGYILUXIAN:DUANZAO-TUIHUO-CUJIAGONG-DIAOZHI-JINGJIAGONG-CHUYINGLI-CUMO-DANHUA-JINGMOHUOYANMO。YOUYUDANHUACENGBO,BINGQIEJIAOCUI,YINCIYAOQIUYOUJIAOGAOQIANGDUDEXINBUZUZHI,SUOYIYAOXIANJINXINGDIAOZHIRECHULI,HUODEHUIHUOSUOSHITI,TIGAOXINBUJIXIEXINGNENGHEDANHUACENGZHILIANG。RUANDANHUASHIHUOXINGDANHUA,BIJIAOCHANGYONGDESHIQITIDANHUA.

40CrHANJIE

40CrHANJIEQIANZHUYIYURE,YIFANGZHIYINJITISANRE,ZAOCHENGHANFENGNEIBUJILENGCUILIE。HANJIEHOUDIAOZHIQIANZUIHAOJIAYIBIANZHENGHUO。

40CrDEHANJIEXING:

JIEJINGSHIYIPIANXI,DUIJIEJINGLIEWEN(YIZHONGRELIEWEN)BIJIAOMINGAN,HANJIESHIRONGYIZAIHUKENGHEHANFENGZHONGAOXIADEBUFENKAILIE。HANTANLIANGJIAOGAO,KUAILENGSHIYIDEDAODUILENGLIEWENHENMINGANDECUIYINGZUZHI(MASHITIZUZHI)。GUOREQUZAILENGSUJIAODASHI,HENRONGYIXINGCHENGYINGCUIDEGAOTANMASHITIERSHIGUOREQUCUIHUA。

HANJIEGONGYIYAODIAN:

1、YIBANZAITUIHUO(ZHENGHUO)ZHUANGTAIXIAJINXINGHANJIE。

2、HANJIEFANGFABUSHOUXIANZHI

3、YONGJIAODAXIANNENGLIANG,SHIDANGTIGAOYUREWENDU,YIBANYUREWENDUJICENGJIANWENDUKEKONGZHIZAI250~300℃ZHIJIAN。

4、HANJIECAILIAOYINGBAOZHENGRONGFUJINSHUDECHENGFENYUMUCAIJIBENXIANGTONG,RUJ107-Cr

5、HANHOUYINGJISHIJINXINGDIAOZHIRECHULI。RUOJISHIJINXINGDIAOZHICHULIYOUKUNNAN,KEJINXINGZHONGJIANTUIHUOHUOZAIGAOYUYUREDEWENDUXIABAOWENYIDUANSHIJIAN,YIPAICHUKUOSANQINGBINGRUANHUAZUZHI。 DUIJIEGOUFUZA、HANFENGJIAODUODECHANPIN,KEZAIHANWANYIDINGSHULIANGDEHANFENGHOU,JINXINGYICIZHONGJIANTUIHUO


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