45S20合金圓鋼-易切削鋼
專業(yè)為您提供易切削鋼牌號,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\/45S20"; 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); }); }(); 45S20是高硫中碳易切削鋼,有較好的切削性能,與45號鋼相比可提高刀具壽命四倍,提高生產(chǎn)效率30%,有較高的強(qiáng)度和硬度,適于加工要求剛性高的零件,如絲杠、光桿、齒條和花鍵軸等。 標(biāo)準(zhǔn):GB/T 8731-1988 45S20化學(xué)成分:碳 C :0.37~0.45硅 Si:0.15~0.35錳 Mn:1.20~1.55硫 S :0.20~0.30磷 P :≤0.05 45S20優(yōu)點:形狀規(guī)格多樣性通過設(shè)計不同形狀的模具,冷拉出不同截面形狀、不同規(guī)格公差的易削切鋼。角度可成直角或圓角。高精確度使用高質(zhì)量的硬質(zhì)合金模具,確保公差準(zhǔn)確、統(tǒng)一。表面光滑先進(jìn)的冷擠壓工藝使得易削切鋼產(chǎn)品表面光滑明亮。 45S20力學(xué)性能:抗拉強(qiáng)度 σb (MPa):(熱軋)590~735; (冷拉后高溫回火狀態(tài))590~785伸長率 δ5 (%):(熱軋)≥14;(冷軋)≥17斷面收縮率 ψ (%):(熱軋)≥20 45S20硬度:(熱軋)≤207HB;(冷拉)179~229HB 交貨狀態(tài):以熱軋或冷拉狀態(tài)交貨,交貨狀態(tài)應(yīng)在合同中注明。。15是易切削結(jié)構(gòu)鋼,精度好,容易切削,大大的提高了刀具的使用壽命,減少加工藝時間。是S-P復(fù)合高硫、低硅易切削鋼。切削性明顯高于Y12,生產(chǎn)效率比Y12鋼提高30~50%,特別是攻絲時,絲錐壽命比Y12提高兩倍以上。