12Cr25Ni16Mn7Nb鈦及鎳基合金-高溫合金|GH
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百度百科-驗證 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\/12Cr25Ni16Mn7Nb"; 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: '驗證失敗,請重新驗證' }); 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); }); }(); 12Cr25Ni16Mn7Nb12Cr25Ni16Mn7Nb是FE-NI-CR基強化高溫合金,使用溫度小于950度,合金加入鉻,錳的氮元素進(jìn)行強化和穩(wěn)定奧氏體組織,加入硼元素強化和凈化晶界。合金具有較好的持久性能和耐氧化性能,易于焊接成形。適于制作經(jīng)沖壓和焊接的燃燒室等高溫承力件,主要產(chǎn)品有板和棒材12Cr25Ni16Mn7Nb應(yīng)用和特性:12Cr25Ni16Mn7Nb合金已用于制作航空發(fā)動機的零部件,批產(chǎn)和使用的情況良好。合金在600度長期時效1000H后無有害相析出。12Cr25Ni16Mn7Nb合金的性能水平與GH3030合金相當(dāng),具有熱加工塑性好、組織穩(wěn)定和焊接友好的特點,適于制作經(jīng)沖壓和焊接的燃燒室等高溫承力件,如800~950℃溫度和中等應(yīng)力下工作的用薄板、帶材和型材制造的氣體導(dǎo)管零件 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 12Cr25Ni16Mn7Nb化學(xué)成分碳C硅Si錳Mn磷P硫 S鉻Cr鎳Ni氮N鐵Fe硼B(yǎng)Min523150.3Max0.12170.0350.0226180.45余量0.01硬度HBS163~21712Cr25Ni16Mn7Nb物理性能:密度g/cm3磁性熱導(dǎo)率/w/(m.k)100~900℃電阻率℃)/(Ω.mm2/m)20~900℃比熱容℃)/kg/(kg.k)℃100~900℃線脹系數(shù)/(10-6/k)20~900℃7.8315.1~27.6~209.8~126.415.39~19.0712Cr25Ni16Mn7Nb力學(xué)性能:品種熱處理溫度0/°C拉伸強度ΣbMPa≥延伸率A/%≥斷面收縮Z/%≥熱扎棒標(biāo)準(zhǔn)熱處理2074045459001801520冷扎板標(biāo)準(zhǔn)熱處理20784~92147~5790186~22522~3212Cr25Ni16Mn7Nb加工處理和焊接性能12Cr25Ni16Mn7Nb具有良好的焊接性能,可進(jìn)行氬弧等焊接。切削無特殊要求。 上一頁:GR-2