1.4568特殊不銹鋼-沉淀硬化鋼
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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\/1.4568"; 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); }); }(); 1.45681.4568即我國的0Cr17Ni7Al,1.4568為半奧氏體沉淀硬化不銹鋼,是一種奧氏體不穩(wěn)定的不銹鋼,此鋼固溶態(tài),室溫下為奧氏體組織,經(jīng)過冷加工、冷處理或加熱到750度左右進(jìn)行調(diào)整處理,奧氏體可轉(zhuǎn)變馬氏體,再進(jìn)行時(shí)效處理,在馬氏體基體上可析出第二相而使鋼強(qiáng)化。Al的作用是為和其它元素形成沉演硬化相如(Ni3Al)。在時(shí)效過程中,冷卻是不能急驟進(jìn)行的,否則很難達(dá)強(qiáng)化效果。1.4568不銹鋼圓棒是以18-8CrNi為基礎(chǔ)發(fā)展起來的奧氏體-馬氏體沉淀硬化不銹鋼,又稱為控制相變不銹鋼。1.4568不銹鋼圓棒固溶處理后為不穩(wěn)定的奧氏體組織,有良好的塑韌性和加工性,經(jīng)過調(diào)整,使奧氏體析出碳化物候成分發(fā)生變化,再經(jīng)過馬氏體轉(zhuǎn)變處理,大部分組織轉(zhuǎn)變?yōu)轫g性較好的低碳回火馬氏體,這種狀態(tài)為鋼的使用狀態(tài),有良好的中溫力學(xué)性能。631不銹鋼圓棒耐腐蝕性能優(yōu)于一般馬氏體不銹鋼。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分合金CMnSiPSCrNiAl1.4568≤0.09≤1≤1≤0.04≤0.0316~186.5~7.750.75~1.5物理性能:密度7.65g/cm3熔點(diǎn)1415-1450℃1.4568在常溫下合金的機(jī)械性能的***小值:合金抗拉強(qiáng)度Rm N/mm2屈服強(qiáng)度RP0.2N/mm2延伸率A5 %布氏硬度 HB固熔1000~1100℃快冷≤1030≤380≥20≤229565℃時(shí)效≥1140≥960≥5≥363510℃時(shí)效≥1230≥1030≥4≥388 上一頁:0Cr17Ni7Al