4cr5mosiv1合金圓鋼-工具鋼
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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\/4cr5mosiv1"; 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); }); }(); 4cr5mosiv1 特性及用途:系引進(jìn)美國的H13空淬硬化熱作模具鋼。其性能、用途和4Cr5MoSiV鋼基本相同,但因其釩含量高一些,故中溫(600度)性能比4Cr5MoSiV鋼要好,是熱作模具鋼中用途很廣泛的一種代表性鋼號。4Cr5MoSiV1合金工具鋼簡稱合工鋼,是在碳工鋼的基礎(chǔ)上加入合金元素而形成的鋼種。其中合工鋼包括:量具刃具用鋼、耐沖擊工具用鋼、冷作模具鋼、熱作模具鋼、無磁模具鋼、塑料模具鋼。4Cr5MoSiV1是熱作模具鋼,,執(zhí)行標(biāo)準(zhǔn)GB/T1299—2000。統(tǒng)一數(shù)字代號A20502;牌號4Cr5MoSiV1;4Cr5MoSiV1化學(xué)成分%:碳 C :0.32~0.45硅 Si:0.80~1.20錳 Mn:0.20~0.50硫 S :≤0.030磷 P :≤0.030鉻 Cr:4.75~5.50鎳 Ni:允許殘余含量≤0.25銅 Cu:允許殘余含量≤0.30釩 V :0.80~1.20鉬 Mo:1.10~1.75性能●物理性能:其密度為7.8t/m3;彈性模量E為210000MPa。4Cr5MoSiV1鋼的臨界溫度臨界點(diǎn) 溫度(近似值)/℃Ac1 860Ac3 915Ar1 775Ar3 815Ms 340Mf 2154Cr5MoSiV1鋼的線(膨)脹系數(shù)溫度/℃ 線(膨)脹系數(shù)/℃-120~100 9.1×10-620~200 10.3×10-620~300 11.5×10-620~400 12.2×10-620~500 12.8×10-620~600 13.2×10-620~700 13.5×10-64Cr5MoSiV1鋼的熱導(dǎo)率溫度/℃ 熱導(dǎo)率λ/W·(m·K)-125 32.2650 28.8●力學(xué)性能:硬度:退火≤235HB,壓痕直徑≥3.95mm熱處理工藝熱處理:(交貨狀態(tài):布氏硬度HBW10/3000(小于等于235)),淬火:790度+-15度預(yù)熱,1000度(鹽浴)或1010度(爐控氣氛)+-6度加熱,保溫5~15min空冷,550度+-6度回火;退火、熱加工;交貨狀態(tài):鋼材以退火狀態(tài)交貨。