9crsi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\/9crsi"; 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); }); }(); 9crsi 9crsi是常用的低合金工具鋼,具有較高的淬透性和淬硬性,以及較高的回火穩(wěn)定性??捎糜谥圃煨螤顝碗s、變形小、耐磨性高、低速切削的工具,如鉆頭、螺紋工具、鉸刀、板牙、絲錐、搓絲板和滾絲輪等。中文名 9crsi 標 準 GBT 1299-1985 碳 C 0.85~0.95 硅 Si 1.20~1.60簡介標準:GBT 1299-1985特性及適用范圍量具刃具用鋼,是常用的低合金工具鋼,具有較高的淬透性和淬硬性,以及較高的回火穩(wěn)定性??捎糜谥圃煨螤顝碗s、變形小、耐磨性高、低速切削的工具,如鉆頭、螺紋工具、鉸刀、板牙、絲錐、搓絲板和滾絲輪等?;瘜W成份碳 C :0.85~0.95硅 Si:1.20~1.609CRSI圓棒錳 Mn:0.30~0.60硫 S :≤0.030磷 P :≤0.030鉻 Cr:0.95~1.25鎳 Ni:允許殘余含量≤0.25銅 Cu:允許殘余含量≤0.30力學性能硬度 :退火,241~197HB,壓痕直徑3.9~4.3mm;187~229HB(制造螺紋工具用);淬火,≥62HRC熱處理編輯熱處理規(guī)范:試樣淬火820~860℃,油冷。交貨狀態(tài)鋼材以退火狀態(tài)交貨。