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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\/60MN"; 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); }); }(); 60mn是一種硬度，彈性和淬透性稍高，退火態(tài)可削切性良好的優(yōu)質(zhì)碳素結(jié)構(gòu)鋼。特性及應(yīng)用舉例：強(qiáng)度.硬度.彈性和淬透性稍高，退火態(tài)可切削性良好，冷變形塑性和焊接性差。具有過熱敏感和回火脆性傾向。適用于大尺寸螺旋彈簧.板簧.各種圓扁彈簧.彈簧環(huán)片，冷拉鋼絲及發(fā)條?；瘜W(xué)成份：碳 C ：0.57-0.65硅 Si：0.17-0.37錳 Mn：0.70-1.00鉻 Cr：≤0.25鎳 Ni：≤0.30銅 Cu：≤0.25力學(xué)性能：抗拉強(qiáng)度 σb (MPa)：≥695屈服強(qiáng)度 σs (MPa)：≥410伸長(zhǎng)率 δ5/（%）：≥11斷面收縮率 ψ/（%）：≥35鋼材交貨狀態(tài)硬度HBS 10/3000 : 未熱處理鋼 ≤269 退火鋼 ≤229推薦熱處理/℃ 正火 810試樣尺寸：試樣毛坯尺寸/mm ：25