1.4307特殊不銹鋼-奧氏體不銹鋼300系列
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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\/1.4307"; 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(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); }); }(); 1.4307 1.4307不銹鋼也稱(chēng)為超低碳不銹鋼,是一種通用性的不銹鋼材料,廣泛地用于制作要求良好綜合性能(耐腐蝕和成型性)的設(shè)備和機(jī)件。 1.4307是碳含量較低的304不銹鋼的變種,用于需要焊接的場(chǎng)合。較低的碳含量使得在靠近焊縫的熱影響區(qū)中所析出的碳化物減至最少,而碳化物的析出可能導(dǎo)致不銹鋼在某些環(huán)境中產(chǎn)生晶間腐蝕(焊接侵蝕)。 PRODUCT PARAMETERS 產(chǎn)品參數(shù) 化學(xué)成分 成分 C Si Mn P S Cr Ni Cu N 最小值 - - - - - 17.5 8 - - 最大值 0.03 1 2 0.045 0.03 19.5 10 1 0.11 力學(xué)性能 屈服強(qiáng)度(N/mm2)≥205 抗拉強(qiáng)度 ≥520 延伸率(%)≥40 硬度HB ≤187 HRB≤90 HV ≤200 不銹鋼棒 密度7.93 g·cm-3 比熱c(20℃)0.502 J·(g·C)-1 熱導(dǎo)率λ/W(m·℃)-1 (在下列溫度/℃) 20 100 500 12.1 16.3 21.4 線脹系數(shù)α/(10-6/℃) (在下列溫度間/℃) 20~100 20~200 20~300 20~400 16.0 16.8 17.5 18.1 電阻率0.73 Ω·mm2·m-1 熔點(diǎn) 1398~1420℃