4135合金圓鋼-合金結構鋼
專業(yè)為您提供合金結構鋼牌號,材質單,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\/4135"; 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); }); }(); 4135 合金結構鋼:4135 執(zhí)行標準:ASTM A29/A29M-04 ●特性及適用范圍: 有很高的靜力強度、沖擊韌性及較高的疲勞極限,淬透性較40Cr高,高溫下有高的蠕變強度與持久強度,長期工作溫度可達 500℃;冷變形時塑性中等,焊接性差。用作在高負荷下工作的重要結構件,如車輛和發(fā)動機的傳動件;汽輪發(fā)電機的轉子、主軸、重載荷的傳動軸,大斷面零 件。 ●化學成份: 碳 C :0.33~0.38 硅 Si:0.15~0.35 錳 Mn:0.70~0.90 硫 S :允許殘余含量≤0.040 磷 P :允許殘余含量≤0.035 鉻 Cr:0.80~1.10 鎳 Ni:允許殘余含量≤0.030 銅 Cu:允許殘余含量≤0.030 鉬 Mo:0.15~0.25 ●力學性能: 抗拉強度 σb (MPa):≥985(100) 屈服強度 σs (MPa):≥835(85) 伸長率 δ5 (%):≥12 斷面收縮率 ψ (%):≥45 沖擊功 Akv (J):≥63 沖擊韌性值 αkv (J/cm2):≥78(8) 硬度 :≤229HB 試樣尺寸:試樣毛坯尺寸為25mm ●熱處理規(guī)范及金相組織: 熱處理規(guī)范:淬火850℃,油冷;回火550℃,水冷、油冷。 ●交貨狀態(tài):以熱處理(正火、退火或高溫回火)或不熱處理狀態(tài)交貨,交貨狀態(tài)應在合同中注明