15CRMN合金圓鋼-合金結(jié)構(gòu)鋼
專(zhuān)業(yè)為您提供合金結(jié)構(gòu)鋼牌號(hào),材質(zhì)單,在線(xiàn)報(bào)價(jià)單 歡迎選購(gòu)
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\/15CRMN"; 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(fǎng)問(wèn)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); }); }(); 15CrMn15CrMn,是中國(guó)國(guó)家標(biāo)準(zhǔn)規(guī)定的一種合金結(jié)構(gòu)鋼的牌號(hào)。統(tǒng)一數(shù)字代號(hào):A22152。標(biāo)準(zhǔn):GB/T 3077-1988JIS G4053:2003A29M:2005ISO 683-18:1996[1]折疊編輯本段化學(xué)成分碳 C :0.12~0.18硅 Si:0.17~0.37錳 Mn:1.10~1.40硫 S :允許殘余含量≤0.035磷 P :允許殘余含量≤0.035鉻 Cr:0.40~0.70鎳 Ni:允許殘余含量≤0.030銅 Cu:允許殘余含量≤0.030中外牌號(hào):德國(guó)DIN: 16MnCr5美國(guó)ASTM: 5115【試樣毛坯尺寸】15mm【熱處理】淬火加熱溫度(℃):880;冷卻劑:油回火加熱溫度(℃):200;冷卻劑:水、空【力學(xué)性能】抗拉強(qiáng)度 σb (MPa):≥785(80)屈服強(qiáng)度 σs (MPa):≥590(60)伸長(zhǎng)率 δ5 (%):≥12斷面收縮率 ψ (%):≥50沖擊功 Akv (J):≥47沖擊韌性值 αkv (J/cm2):≥59(6)布氏硬度(HBS100/3000)(退火或高溫回火狀態(tài)):≦179熱處理規(guī)范及金相組織熱處理規(guī)范:淬火880℃,油冷;回火200℃,水冷、空冷。