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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\/Q420B"; 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); }); }(); Q420B化學(xué)成份范圍值:注：實(shí)際化學(xué)成分以鋼廠質(zhì)保書為準(zhǔn)。Q420B化學(xué)成分C≦0.20Q420B化學(xué)成分Mn1.00～1.70Q420B化學(xué)成分Si≦0.55Q420B化學(xué)成分P≦0.025Q420B化學(xué)成分S≦0.025Q420B化學(xué)成分Al≧0.015Q420B化學(xué)成分Cr≦0.40Q420B化學(xué)成分Ni≦0.70Q420B化學(xué)成分V0.02～0.20Q420B化學(xué)成分Nb0.015～0.060Q420B化學(xué)成分Ti0.02～0.20             Q420B力學(xué)性能:抗拉強(qiáng)度520～680伸長(zhǎng)率≧18屈服點(diǎn)≧420 沖擊+20℃≧34 Q420B應(yīng)用：Q420B應(yīng)用舉例大型船舶、橋梁、電站設(shè)備、中高壓鍋爐、高壓容器、機(jī)車車輛、超重機(jī)械、礦山機(jī)械、及其他大型焊接結(jié)構(gòu)件。鋼號(hào)：Q420B產(chǎn)品名稱：高強(qiáng)度鋼執(zhí)行標(biāo)準(zhǔn)：GB/T1591-2008數(shù)字代號(hào)：L04202交貨狀態(tài)：熱軋或正火+回火，具體交貨狀態(tài)應(yīng)在質(zhì)保書中注明。鋼廠：寶鋼、南鋼、本鋼、舞鋼等。