5CrMnMo合金圓鋼-工具鋼
專業(yè)為您提供工具鋼牌號,材質(zhì)單,在線報價單 歡迎選購
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\/5CrMnMo"; 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); }); }(); 5CrMnMo 材料名稱:合金工具鋼 牌號:5CrMnMo 標(biāo)準(zhǔn):GB/T 1299-1985 ●硬度:44~48 ●用途:適合制造邊長≤400mm的中型錘鍛模即熱切邊模.特性 該鋼是熱作模具鋼,除淬透性,耐熱疲勞性稍差外,5CrMnMo鋼具有與5CrNiMo鋼類似的性能,淬透性稍差.此鋼適于制作要求具有較高強(qiáng)度和高耐磨性的各種類型鍛模.要求韌性較高時,可采用電渣重熔鋼.化學(xué)成份: 碳 C :0.50~0.60 硅 Si:0.25~0.60 錳 Mn:1.20~1.60 硫 S :≤0.030 磷 P :≤0.030 鉻 Cr:0.60~0.90 鎳 Ni:允許殘余含量≤0.25 銅 Cu:允許殘余含量≤0.30 鉬 Mo:0.15~0.30力學(xué)性能 硬度 :退火,241~197HB,壓痕直徑3.9~4.3mm熱處理 熱處理規(guī)范:淬火,820~850℃油冷?! 』鼗鹩猛?加熱溫度/℃ 加熱介質(zhì) 硬度(HRC) 消除應(yīng)力,穩(wěn)定組織和尺寸模具工作 小型鍛模 490~510 煤氣爐或電爐 41~47 中型鍛模 520~540 38~41 Ⅱ鍛模燕尾部分 小型鍛模 600~620 煤氣爐或電爐 35~39 中型鍛模 620~640 34~37