sum32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(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\/sum32"; 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); }); }(); SUM32鋼材 執(zhí)行標(biāo)準(zhǔn)JIS GG4804-1999SUM32 特性及適用范圍SUM32是低硫磷復(fù)合易切削鋼,其切削性能優(yōu)于20號鋼而低于Y12鋼,但SUM32的力學(xué)性能高于Y12鋼。SUM32切削加工成形后可以進(jìn)行滲碳處理,用來制造表面硬、中心韌性高的儀器儀表零件及軸類耐磨件 化學(xué)成份 碳 C :0.12~0.20 硅 Si:0.10~0.35 錳 Mn:0.60~1.10 硫 S :0.10~0.20 磷 P :≤0.040 優(yōu)點(diǎn)形狀規(guī)格多樣性 通過設(shè)計(jì)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。 力學(xué)性能抗拉強(qiáng)度 σb (MPa):(熱軋)450~600;(冷拉)鋼材厚度或直徑 8~20時(shí):570~785; >20~30時(shí):530~745; >30時(shí):510~705 伸長率 δ5 (%):(熱軋)≥20;(冷軋)≥7.0 斷面收縮率 ψ (%):(熱軋)≥30 硬度 :(熱軋)≤175HB;(冷拉)167~217HB 熱處理規(guī)范及金相組織: 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。