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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\/b30"; 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); }); }(); 說(shuō)明：非調(diào)質(zhì)預(yù)硬態(tài) 塑料模具鋼最大特點(diǎn)是它的組織和硬度沿模塊截面分布均勻，在重新熱加工前后，組織和硬度基本不變，交貨硬度HRC29-33，型腔個(gè)加工后，無(wú)需熱處理，有利于鉗工一次性完成拋光和修正。材料具有良好的加工性能和焊接性能。具有極佳的拋光性能。耐腐蝕性能和表面氮化性能。B30 鋼是微合金非調(diào)質(zhì)預(yù)硬化塑料模具鋼和貝氏體型鋼。該鋼是上海寶鋼研制的創(chuàng)新型專利產(chǎn)品, B是寶鋼的企業(yè)代號(hào)?？蛇M(jìn)行滲氮處理進(jìn)一步強(qiáng)化, 其性能優(yōu)于同類(lèi)型的瑞典718鋼 (ASSAB)。該鋼焊接熱影響區(qū)的硬度變化明顯比2738 鋼小, 焊接性能較好。在此基礎(chǔ)上, 獲得較均勻硬度分布的焊接材料是結(jié)構(gòu)鋼焊條J107Cr,相應(yīng)的焊接工藝是 350°C 預(yù)熱、 350°C 焊接及焊后 350°C 回火。按照 P20 鋼工藝, 鍛后空冷至 300°C后緩冷, 不用熱處理仍可保持交貨狀態(tài)?；瘜W(xué)成分：       C% Si% Mn% V% Cr% Cu% Ni% Mo%0.20～0.30 0.20～0.60 ≥1.5 ≥0.05 ≥0.50 ≥0.10 ≥0.05 ≥0.20規(guī)格：厚度：20～500mm 寬度：250～1500mm。