20CrMnMo|20CrMnMo圓鋼|20CrMnMo價(jià)格特種鋼板-優(yōu)特鋼
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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\/20CrMnMo%7C20CrMnMo%E5%9C%86%E9%92%A2%7C20CrMnMo%E4%BB%B7%E6%A0%BC"; 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); }); }(); ★20CrMnMo執(zhí)行標(biāo)準(zhǔn):GB/T3077-1999★20CrMnMo化學(xué)成分:注:具體化學(xué)成分以鋼廠質(zhì)保書為準(zhǔn)。碳C:0.17~0.23硅Si:0.17~0.37錳Mn:0.90~1.20硫S:≤0.035磷P:≤0.035鉻Cr:1.10~1.40鎳Ni:≤0.030銅Cu:≤0.030鉬Mo:0.20~0.30★20CrMnMo力學(xué)性能:注:具體力學(xué)性能以鋼廠質(zhì)保書為準(zhǔn)。20CrMnMo抗拉強(qiáng)度(σb/MPa):≥118020CrMnMo屈服點(diǎn)(σs/MPa):≥88520CrMnMo斷后伸長(zhǎng)率(δ5/%):≥1020CrMnMo斷面收縮率(ψ/%):≥4520CrMnMo沖擊吸收功(Aku2/J):≥5520CrMnMo布氏硬度(退火或高溫回火狀態(tài)):≤21★20CrMnMo熱處理工藝:淬火加熱溫度:850℃;冷卻劑:油回火加熱溫度:200℃;冷卻劑:水、空★20CrMnMo主要特性:先進(jìn)行滲碳熱處理,再淬火加熱溫度850℃、油冷;200℃回火、空冷。淬火低溫回火后具有良好的綜合力學(xué)性能和低溫沖擊韌度;滲碳淬火后具有較高的抗彎強(qiáng)度和耐磨性能。常用于制造高硬度、高強(qiáng)度、高韌性的較大重要滲碳件,如曲軸、凸輪軸、連桿、齒輪軸、齒輪、銷軸等?!?0CrMnMo應(yīng)用:常用于制造高硬度、高強(qiáng)度、高韌性的較大重要滲碳件(其要求均高于18CrMnMo),如曲軸、凸輪軸、連桿、齒輪軸、齒輪。