999成人国产精品_亚洲中文日韩国产一区_好男人好资源在线影视官网_性色AⅤ免费视频_18禁黄网站免费看_中文字幕高清欧美精品一区_欧美暴力深喉囗交_麻花传媒剧国产mv网站_手机理论神马我不卡_中文字幕专区在线精品乱码

百度百科-驗(yàn)證 if (!window['__abbaidu_2020_subidgetf']) { window['__abbaidu_2020_subidgetf'] = function () { var subid = 01000000; return subid; }; } !function(){ var $ = require('wiki-common:widget/lib/jquery/jquery'); var Dialog = require('wiki-common:widget/ui/dialog/dialog'); var ClickstreamSdk = require('wiki-common:widget/util/clickstreamSdk'); var clickstream = new ClickstreamSdk.default({ appname: 'baike', platform: 'web', device: 'pc', page: 'spam', auto: true }); var sourceUrl = "\/item\/25CRMNSI"; var fromPage = "pc_lemma_page_risk_score"; var logParam = { page: 'spam', fromPage: fromPage } clickstream.logActEvent($.extend({}, logParam, {'act_type': 'show'})); function init() { if (window.sdkMachine) { var machineSDK = new window.sdkMachine({ container: document.body, title: '訪問(wèn)異常，請(qǐng)進(jìn)行驗(yàn)證', ak: 'GHm64ouBF7GGAhXNcsae9xiVByAGWhMI', deviceType: 'pc', type: 'spin', testUrl: '', initApiSuccessFn: function() { machineSDK.init(); }, errorFn: function(err) { alert('errfn___' + err.message || '') }, verifySuccessFn: function(result) { $.ajax({ type: 'GET', url: '/api/anticrawl/captchaverify', dataType: 'json', data: { ds: result.ds, passTk: result.tk, clientType: 'pc', tk: "d4b87f38b35a5e84f28e8674b41132db", sourceFrom: fromPage }, success: function(res) { if (res && res.errno === 0 && !res.isSpam) { clickstream.logActEvent($.extend({}, logParam, {'act_type': 'verify-pass'})); if (sourceUrl) { machineSDK.close(); window.location.href = sourceUrl; } } else { var submitInform = Dialog.inform({ icon: 'WARNING', mainMsg: '驗(yàn)證失敗，請(qǐng)重新驗(yàn)證' }); submitInform.show(); setTimeout(function() { submitInform.hide(); }, 3000); machineSDK.close(); init(); } } }); }, verifyFailFn: function() { }, feedbackEvent: function(feedback) { return true; }, }); } }; init(); }(); !function(){ require('wiki-common:widget/component/psLink/psLink'); var clickstream = require('wiki-common:packages/utils/logger'); clickstream.logViewPage({ page: 'all-pc' }); var tmpBaiduId = ''; require(['wiki-common:widget/util/setBaikeTmpBaiduId.es'], function (setBaikeTmpBaiduId, cookie) { setBaikeTmpBaiduId(tmpBaiduId); }); }(); 25CrMnSi 代號(hào):A24252。標(biāo)準(zhǔn):GB/T 3077-198825CrMnSi強(qiáng)度比20CrMnSi要高，韌性較差。經(jīng)熱處理后，強(qiáng)度、塑性、韌性都好。25CrMnSi用于制造拉桿、重要的焊接和沖壓零件、高強(qiáng)度的結(jié)構(gòu)件。折疊編輯本段化學(xué)成分質(zhì)量分?jǐn)?shù)(%)碳 C :0.22~0.28硅 Si:0.90~1.20錳 Mn:0.80~1.10硫 S :允許殘余含量≤0.035磷 P :允許殘余含量≤0.035鉻 Cr:0.80~1.10鎳 Ni:允許殘余含量≤0.30銅 Cu:允許殘余含量≤0.30折疊編輯本段力學(xué)性能【試樣毛坯尺寸】【熱處理】淬火加熱溫度(℃):880;冷卻劑:油回火加熱溫度(℃):480;冷卻劑:水、油【力學(xué)性能】抗拉強(qiáng)度 σb (MPa):≥1080(110)屈服強(qiáng)度 σs (MPa):≥885(90)伸長(zhǎng)率 δ5 (%):≥10斷面收縮率 ψ (%):≥40沖擊功 Akv (J):≥39沖擊韌性值 αkv (J/cm2):≥49(5)布氏硬度(HBS100/3000)(退火或高溫回火狀態(tài)):≤217熱處理規(guī)范:淬火880℃,油冷;回火480℃,水冷、油冷。交貨狀態(tài):以熱處理(正火、退火或高溫回火)或不熱處理狀態(tài)交貨，交貨狀態(tài)應(yīng)在合同中注明。主要特性強(qiáng)度比20CrMnSi要高，韌性較差。經(jīng)熱處理后，強(qiáng)度、塑性、韌性都好 。