18mnmonb特種鋼板-鍋爐板/容器板系列
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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\/18mnmonb"; 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); }); }(); 18MnMoNb是鍋爐和壓力容器專用的低合金結(jié)構(gòu)鋼。具有較高的強(qiáng)度和屈強(qiáng)比,熱加工性能和中溫性能較好,生產(chǎn)工藝較簡單,焊接性能良好,耐熱性較高。18MnMoNb是鍋爐和壓力容器專用的低合金結(jié)構(gòu)鋼。具有較高的強(qiáng)度和屈強(qiáng)比,熱加工性能和中溫性能較好,生產(chǎn)工藝較簡單,焊接性能良好,耐熱性較高。18MnMoNb耐熱鋼用于制造高壓鍋爐汽包及大型化工容器;也用作水輪機(jī)和水輪發(fā)電機(jī)大軸以及交直流電機(jī)軸等。碳 C :0.17~0.23硅 Si:0.17~0.37錳 Mn:1.35~1.65硫 S :≤0.035磷 P :≤0.035鈮 Nb:0.025~0.050鉬 Mo:0.45~0.65抗拉強(qiáng)度 σb (MPa):1)≥635; 2)≥635; 3)≥590屈服強(qiáng)度 σs (MPa):1)≥510; 2)≥490; 3)≥400伸長率 δ5 (%):1)17;2)16;3)16沖擊韌性值 αkv (J/cm2):室溫,69;時效,29試樣尺寸:1)16~38;2)40~95;3)100~115