p91合金圓鋼-合金結(jié)構(gòu)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\/p91"; 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); }); }(); P91鋼相當(dāng)于國(guó)標(biāo)10Cr9Mo1VNbN,不僅具有高的抗氧化性能和抗高溫蒸汽腐蝕性能,而且還具有良好的沖擊韌性和高而穩(wěn)定的持久塑性及熱強(qiáng)性能。在使用溫度低于620℃時(shí),其許用應(yīng)力高于奧氏體不銹鋼。在550℃以上,推薦的設(shè)計(jì)許用應(yīng)力約為T9和2.25Cr-1Mo鋼的兩倍。P91簡(jiǎn)介T91/P91(10Cr9Mo1VNbN)應(yīng)用可作為亞臨界、超臨界鍋爐壁溫≤625℃的高溫過(guò)熱器、再熱器用鋼管,以及壁溫≤600℃高溫集箱和蒸汽管道,也可作為核電熱交換器以及石油裂化裝置爐管。屈服強(qiáng)度:≥415(MPa)伸 長(zhǎng) 率:≥20(%)P91鋼的化學(xué)成分成 分 wt%C 0.08~0.12Mn 0.30~0.60Si 0.20~0.50P ≤0.02S ≤0.01Cr 8.0~9.5Mo 0.85~1.05V 0.18~0.25Nb 0.06~0.1N 0.03~0.07Al ≤0.04Ni ≤0.4P91 鋼以其良好的高溫持久強(qiáng)度、熱穩(wěn)定性和高溫抗蠕變能力等綜合性能,在電站鍋爐的過(guò)熱器、再熱器及主蒸汽管道上獲得越來(lái)越廣的應(yīng)用