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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\/NAS303AM"; 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(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); }); }(); NAS 303AM NAS 303AM屬是奧氏體型易切削不銹耐磨耐燒鋼，為改善該鋼的性能，可在鋼中加入不多于0.60﹪的鉬,可耐燒蝕，產(chǎn)品良好的切削性及耐燒、耐蝕性。NAS 303AM 不銹鋼機(jī)械性能退火去應(yīng)力后，抗拉強(qiáng)度515MPa，屈服強(qiáng)度205MPa，延伸率40%。標(biāo)準(zhǔn)硬度HRB 90-100, HRC 20-25。（注：HRB100 = HRC20）對于要求切削加工性能優(yōu)良和具有良好加工表面的部件，宜選用此類鋼為佳。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分成分CSiMnPNiCrMo最小值----817-最大值0.15120.210190.6力學(xué)性能:抗拉強(qiáng)度 σb (MPa)：≥520條件屈服強(qiáng)度 σ0.2 (MPa)：≥205伸長率 δ5 (%)：≥40斷面收縮率 ψ (%)：≥50硬度:≤187HB;≤90HRB;≤200HV熱處理:固溶1010～1150℃快冷。金相組織:組織特征為奧氏體型。 上一頁：NAS 304