20Cr13Mn9Ni4特殊不銹鋼-奧氏體不銹鋼300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\/20Cr13Mn9Ni4"; 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(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); }); }(); 20Cr13Mn9Ni4 20Cr13Mn9Ni4鋼是低鎳亞穩(wěn)定奧氏體不銹鋼,在固溶狀態(tài)下為奧氏體,但冷加工變形時(shí)易轉(zhuǎn)變?yōu)轳R氏體,與18-8型奧氏體不銹鋼相比,其含碳量高,含鉻量較低,并用9%的錳取代其中4%的鎳。 該鋼具有較高的強(qiáng)度及良好的耐大氣腐蝕性能,但耐均勻腐蝕性能較差,在固溶狀態(tài)下,塑性較高,可進(jìn)行深壓延及冷沖壓。該鋼可作為1Cr18Ni9鋼代用料,用于制造要求有較高強(qiáng)度,一定耐腐蝕能力的結(jié)構(gòu)件,如翼梁、機(jī)身、機(jī)尾及軍械系統(tǒng)中的零件等. PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分 成分 C Si Mn P S Ni Cr 最小值 0.15 - 8 - - 3.7 12 最大值 0.25 0.8 10 0.035 0.025 5 14