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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\/447"; 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); }); }(); S44700447不銹鋼是極高耐蝕等級(jí)的鐵素體不銹鋼牌號(hào)，在國(guó)內(nèi)和446不銹鋼都被稱為“超級(jí)鐵素體不銹鋼”。與446比較，更高Cr，更好的耐蝕性。國(guó)內(nèi)相似牌號(hào)00Cr30Mo2，美國(guó)標(biāo)準(zhǔn)中S44700、S44735。由于含有30%的Cr，同時(shí)為純鐵素體不銹鋼，所以其特點(diǎn)為：1）高耐蝕性，耐Cl離子點(diǎn)蝕能力非常強(qiáng)；2）耐氣候性；3）強(qiáng)度高；4）有順磁性；5）不能通過(guò)熱處理硬化，加工能力較差。應(yīng)用領(lǐng)域沿海、高污染區(qū)域的高耐蝕性用不銹鋼，比446高級(jí)，但不適合在低溫下強(qiáng)應(yīng)力場(chǎng)合（如船殼），低溫脆性較大。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分%CSiMnPSCrNiMoCuNC+NMin28.03.5Max0.010.20.30.0250.02300.154.20.150.020.025力學(xué)性能抗拉強(qiáng)度（MPa）屈服強(qiáng)度（MPa）延伸率（%）硬度（布氏）折彎能力S4470055041520223180S4473555041518255180 暫無(wú)資料