40CrMnSiMoV合金圓鋼-合金結(jié)構(gòu)鋼
專業(yè)為您提供合金結(jié)構(gòu)鋼牌號,材質(zhì)單,在線報(bào)價(jià)單 歡迎選購
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\/40CrMnSiMoV"; 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); }); }(); 40CrMnSiMoV 40CrMnSiMoV 是無鎳低合金超高強(qiáng)度鋼,具有良好的工藝性能和綜合力學(xué)性能,經(jīng)淬火加低溫回火后有高的強(qiáng)度和良好的抗疲憊斷裂性能。40CrMnSiMoV對缺口和氫脆 (包括環(huán)境氫脆)有較高的敏感性。40CrMnSiMoV宜制作高強(qiáng)度結(jié)構(gòu)件、軸類件和螺栓等重要受力結(jié)構(gòu)部件。中文名 合金結(jié)構(gòu)鋼 牌 號 40CrMnSiMoV 伸長率 10(%) 斷面收縮率 42(%)生產(chǎn)標(biāo)準(zhǔn)YB1209-83(航空用40CrMnSiMoVA鋼棒技術(shù)條件)YB1210-83(航空用40CrMnSiMoVA鋼管技術(shù)條件)HB5024-77(結(jié)構(gòu)鋼、不銹及耐熱鋼鍛件)各國牌號名稱對照:中國:40CrMnSiMoV中國:GC-4化學(xué)成份碳 C :0.36~0.40硅 Si:1.20~1.60錳 Mn:0.80~1.20硫 S :≤0.020磷 P :≤0.020鉻 Cr:1.20~1.50釩 V :0.07~0.12鉬 Mo:0.45~0.60力學(xué)性能抗拉強(qiáng)度 σb (MPa):1988條件屈服強(qiáng)度 σ0.2 (MPa):1945沖擊韌性值 αku (Jcm2):65試樣尺寸:某試料規(guī)范及組織熱處理規(guī)范:920℃油淬,180℃等溫1h,空冷 220~260℃回火,空冷。金相組織:回火馬氏體 下貝氏體 少量殘余奧氏體。組織結(jié)構(gòu):等溫退火后為片狀珠光體;完全退火后為珠光體+鐵素體, 正火高溫后為回火索氏體,淬火低溫回火后為馬氏體、下貝氏體及少量殘余奧氏休。