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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\/7crsimnmov"; 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); }); }(); 7crsimnmov CrSiMnMoV具有操作簡便，成本低，節(jié)約能源的優(yōu)點(diǎn)。性能該鋼淬透性良好，空冷即可淬硬，其硬度可達(dá)HRC62~64且空冷淬火后變形小，該鋼不但強(qiáng)度高而且韌性優(yōu)良。日本牌號(hào)：CH-1?；瘜W(xué)成分7CrSiMnMoV鋼化學(xué)成分（GB/T 1229-2000）w/%CSiMnPSCrMoV0.65~0.750.85~1.150.65~1.05≤0.03≤0.030.90~1.200.20~0.500.15~0.30物理性能7CrSiMnMoV鋼的臨界溫度臨界點(diǎn)AclAcmArlArmMs溫度（近似值）/℃776834694732211溫度/℃11~10011~20011~30011~40011~50011~600線（膨）脹系數(shù)/℃-112.7×10-613.2×10-613.5×10-614.0×10-614.3×10-614.0×10-6熱加工7CrSiMnMoV鋼的熱加工工藝7CrSiMnMoV鋼火焰加熱淬火項(xiàng) 目預(yù)熱 ℃加熱溫度 ℃冷卻方式硬度淬 火180～200 ℃,2H900～1000空冷62～64HRC回 火　180～200空冷58～62HRC注：火焰淬火受操作者熟練程度、操作經(jīng)驗(yàn)等因素影響較大。項(xiàng)目加熱溫度/℃開鍛溫度/℃終鍛溫度/℃冷卻方式鋼坯12001100~1200800~850緩冷