20Mn23AlV_20Mn23AlV無磁鋼_20Mn23AlV鋼板特種鋼板-優(yōu)特鋼
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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\/20Mn23AlV_20Mn23AlV%E6%97%A0%E7%A3%81%E9%92%A2_20Mn23AlV%E9%92%A2%E6%9D%BF"; 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); }); }(); 鋼號:20Mn23AlV產(chǎn)品名稱:無磁鋼執(zhí)行標(biāo)準(zhǔn):JB1268-72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、太鋼等。20Mn23AlV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)。碳C:0.14-0.20硅Si:≤0.50錳Mn:21.50-25.00硫S:≤0.030磷P:≤0.030鉻al:1.50-2.5020Mn23AlV力學(xué)性能范圍值:注:實(shí)際力學(xué)性能以鋼廠質(zhì)保書為準(zhǔn)。20Mn23AlV抗拉強(qiáng)度σb(MPa):≥53020Mn23AlV屈服強(qiáng)度σ0.2(MPa):≥25520Mn23AlV伸長率δ5(%):≥3020Mn23AlV特性:高錳低磁鋼是浦鋼公司開發(fā)的高附加值產(chǎn)品,20Mn23AlV用來制造大型變壓器內(nèi)部結(jié)構(gòu)件低磁板,20Mn23AlV具有極低的磁導(dǎo)率和良好的力學(xué)性能及易加工性能,可以替代低磁奧氏體不銹鋼及有色合金用于變壓器、磁選機(jī)及電機(jī)等電器設(shè)備中不導(dǎo)磁部件的制造。 由于20Mn23AlV含錳量和含鋁量高,目前國內(nèi)外均使用模鑄進(jìn)行生產(chǎn)??墒悄hT生產(chǎn)的鋼錠表面質(zhì)量難以保證,同時(shí)鋼水收得率及鋼材軋制成材率也低。為此,特鋼廠對20Mn23AlV擬改用連鑄生產(chǎn),因此,針對連鑄生產(chǎn)的幾大難點(diǎn),開展了試驗(yàn)研究,以攻克下述可能出現(xiàn)的問題。