14NICR18合金圓鋼-合金結構鋼
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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\/14NICR18"; 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); }); }(); 14nicr1814nicr18是用途較廣的高級滲碳鋼,與15Cr、20Cr鋼相比,其強度、塑性、淬透性均高。淬火加低溫回火或高溫回火后,均具有良好的綜合力學性能,低溫沖擊韌性度好,缺口敏感性小,可加工性及焊接性尚好,但有回火脆性,白點敏感性較高,滲碳后均需進行二次淬火,特殊情況還需要冷處理。14nicr10是用途較廣的高級滲碳鋼,與15Cr、20Cr鋼相比,其強度、塑性、淬透性均高。淬火加低溫回火或高溫回火后,均具有良好的綜合力學性能,低溫沖擊韌性度好,缺口敏感性小,可加工性及焊接性尚好,但有回火脆性,白點敏感性較高,滲碳后均需進行二次淬火,特殊情況還需要冷處理。折疊編輯本段用途主要用來制作重負荷條件下要求高強度,高硬度和高韌性的主軸及要求中心韌性很高或承受沖擊負荷、表面耐磨、熱處理變形小的軸、桿以及在高速和沖擊負荷下工作的各種傳動齒輪、調節(jié)螺釘、凸輪軸。折疊編輯本段化學成分碳C:0.14-0.20硅Si:≤0.40鉻Cr:0.60-1.00錳Mn:0.40-0.70鎳Ni:3.00-3.50折疊編輯本段力學性能抗拉強度σb (MPa):≥930(95)屈服強度σs (MPa):≥685(70)伸長率δ5 (%):≥11斷面收縮率ψ (%):≥50沖擊功Akv (J):≥71沖擊韌性值αkv (J/cm2):≥88(9)