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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\/20CrNi3A"; 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); }); }(); ★20CrNi3A執(zhí)行標(biāo)準(zhǔn)：GB/T3077-1999★20CrNi3A化學(xué)成份：注：具體化學(xué)成分以鋼廠質(zhì)保書為準(zhǔn)。碳C：0.17～0.25硅Si：0.17～0.37錳Mn：0.30～0.60硫S：≤0.030磷P：≤0.030鉻Cr：0.60～0.90鎳Ni：2.75～3.25★力學(xué)性能：注：具體力學(xué)性能以鋼廠質(zhì)保書為準(zhǔn)。20CrNi3A抗拉強(qiáng)度σb(MPa)：≥98020CrNi3A屈服強(qiáng)度σ0.2(MPa)：≥83520CrNi3A伸長率δ5(%)：≥1020CrNi3A斷面收縮率ψ(%)：≥5520CrNi3A沖擊韌性值αku(J/cm2)：≥9820CrNi3A硬度：340～290HB★20CrNi3A特性及適用范圍：20CrNi3A淬透性良好，能在大的截面范圍內(nèi)獲得均勻的強(qiáng)度。20CrNi3A經(jīng)調(diào)質(zhì)或淬火加低溫回火后，有良好的綜合力學(xué)性能。切削加工性良好，冷變形塑性和焊接性中等?！?0CrNi3A適用范圍：20CrNi3A用作高負(fù)荷條件下工作的齒輪、軸、蝸桿及螺栓、銷釘?shù)??！餆崽幚硪?guī)范及金相組織：淬火加熱溫度：830℃；冷卻劑：水、油回火加熱溫度：480℃；冷卻劑：水、油