12Cr2Ni4A特種鋼板-優(yōu)特鋼
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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\/12Cr2Ni4A"; 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); }); }(); ●12Cr2Ni4A執(zhí)行標準:GB/T3077-1999●12Cr2Ni4A化學成分:注:具體化學成分以鋼廠質(zhì)保書為準。C:0.11~0.16Si:0.17~0.37Mn:0.30~0.60Cr:1.24~1.65Ni:3.25~3.65S:≤0.035P:≤0.035Cu:≤0.030●12Cr2Ni4A力學性能: 注:具體力學性能以鋼廠質(zhì)保書為準。12Cr2Ni4A抗拉強度σb(MPa):≥108012Cr2Ni4A屈服強度σs(MPa):≥83012Cr2Ni4A伸長率δ5(%):≥1012Cr2Ni4A斷面收縮率ψ(%):≥5012Cr2Ni4A沖擊功Akv(J):≥7112Cr2Ni4A沖擊韌性值αkv(J/cm²):≥8812Cr2Ni4A硬度 :≤270HB12Cr2Ni4A試樣尺寸:試樣毛坯尺寸為16mm●12Cr2Ni4A用途:12Cr2Ni4A用作高負荷、交變應力下工作的大型滲碳件,如受高負荷的各種齒輪、蝸輪、蝸桿、軸等機械?!?2Cr2Ni4A特性:12Cr2Ni4A強度高、韌性好、淬透性良好,滲碳淬火后表面層硬度及耐磨性都好,冷變形時塑性好,但有白點敏感性及回火脆性,焊接性較差?!?2Cr2Ni4A熱處理工藝:熱處理規(guī)范:淬火:第一次860℃,第二次780℃,油冷;回火200℃,水冷、空冷。