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#f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>新疆礦用工字鋼廠,鋼</p><p><span>***更新：</span>2020-12-10 01:05:02</p><p><span id="click" >瀏覽次數(shù)：0次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="thew7xz" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司</a></p><p><span>聯(lián)系人：</span>蘇曉果</p><p><span>郵箱: </span>398665957@qq.com</p><p><span>電話: </span>18140779777</p><p><span>傳真: </span>0991_2860888</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>0991-2860888</p><p><span>地址: </span>烏魯木齊市頭屯河區(qū)王家溝鋼材市場A2-5-202室</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="3gax7tv" class="page-proshow02"><p class="title">詳細說明</p><div id="fegya87" class="box"><p><p> 礦用熱軋工字鋼 </p> <p> 1 范圍 </p> <p> 本標準規(guī)定了礦用熱軋工字鋼的訂貨內(nèi)容、尺寸、外形、重量及允許偏差、技術(shù)要求、試驗方法、檢驗規(guī)則、包裝、標志及質(zhì)量證明書。 </p> <p> 本標準適用制造礦山巷道支護用熱軋工字鋼。(以下簡稱工字鋼) </p> <p> 2 規(guī)范性引用文件 </p> <p> 下列文件對于本文件的應(yīng)用是必不可少的。凡是注日期的引用文件，*注日期的版本適用于本文件。凡是不注日期的引用文件，新疆礦用工字鋼廠，新疆礦用工字鋼廠，其***版本(包括所有的修改單)適用于本標準。 </p> <p> GB/T 222鋼的成品化學(xué)成分允許偏差 </p> <p> GB/T 223.5鋼鐵酸溶硅和全硅含量的測定還原型硅酸鹽分光光度法 </p> <p> GB/T 223.11鋼鐵及合金格含量的測定可視滴定或電位滴定法 </p> <p> GB/T 223.12鋼鐵及合金化學(xué)分析方法碳酸鈉分離-二苯碳酰二h光度法測定鉻量GB/T 223，新疆礦用工字鋼廠.14鋼鐵及合金化學(xué)分析方法鈕試劑萃取光度法測定釩含量 </p> <p> <br /> 喀什礦工鋼多少錢。。新疆礦用工字鋼廠</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆礦用工字鋼廠,鋼" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637427002960674610/869862.png"></div><p> 5.3 交貨狀態(tài) </p> <p> 工字鋼以熱軋狀態(tài)交貨。 </p> <p> 5.4 力學(xué)性能和工藝性能 </p> <p> 5.4.1工字鋼的力學(xué)性能和工藝性能應(yīng)符合表5的規(guī)定。 </p> <p> 表 </p> <p> 拉伸試驗沖擊試驗”(V型缺口) 彎曲試驗” </p> <p> 180° </p> <p> Ro/ MPa 斷后鐘長率 </p> <p> 牌號抗拉強度 </p> <p> A1% 溫度/℃ 沖擊吸收能力 da彎曲壓頭直徑， </p> <p> Rm/MPa 屈服強度b </p> <p> mm </p> <p> as試樣厚度，mm </p> <p> Q275B 410-540 275 22 20 ≥27 d=1.5 a </p> <p> 20MnK =490 335 20 d=30 </p> <p> 25MnK ≥530 335 20 d=3a </p> <p> 20MnVK =570 390 20 d=3a </p> <p> 注：1 /m=IMPa。 </p> <p> ‘拉伸試驗、彎曲試驗、沖擊試驗取縱向試樣。 </p> <p> 當(dāng)屈服現(xiàn)象不明顯時，采用& </p> <p> <br /> 新疆礦用工字鋼廠博樂礦用工字鋼廠。。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆礦用工字鋼廠,鋼" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637427004071280126/3429878.png"></div><p> 4.2 截面尺寸允許偏差 </p> <p> 4.2.1工字鋼截面尺寸允許偏差應(yīng)符合表2的規(guī)定。 </p> <p> Q/TB 107—2017 </p> <p> 表 2 單位為毫米 </p> <p> 高度允許偏差 </p> <p> 腿寬允許偏差 </p> <p> 腰厚允許偏差 </p> <p> 平均腿厚度允許偏差 </p> <p> 規(guī)格高度 h 允許偏差腿寬 b 允許偏差腰厚 d 允許偏差平均腿厚度t允許偏差 </p> <p> 9 90 ±2.0 76 士2.0 8 ±0.6 10.9 ±0.65 </p> <p> 11 110 ±2.0 90 ±2.0 9 ±0.6 14.1 ±0.85 </p> <p> 12 120 ±2.0 95 ±2.0 1I ±0.6 15.3 ±0.92 </p> <p> 4.2.2工字鋼的外緣斜度單腿不大于1.5%b，雙腿不大于2.4%b。 </p> <p> 4.2.3工字鋼的彎腰撓度不得大于0.15d。 </p> <p> 4.2.4工字鋼的偏心度不得大于腿寬的2.0%。 </p> <p> 注：偏心度=0.5× b-b </p> <p> <br /> </p><p> 4.3長度及允許偏差 </p> <p> 4.3.1 工字鋼通常長度為5m~12m。 </p> <p> 4.3.2 工字鋼按定尺或倍尺交貨時應(yīng)在合同中注明。其定尺長度允許偏差應(yīng)符合表3的規(guī)定。表3 單位為毫米 </p> <p> 長度允許偏差. </p> <p> ￡8000 +40 </p> <p> >8000 +80 </p> <p> 4.4外形 </p> <p> 4.4.1 彎曲度 </p> <p> 工字鋼每米彎曲度不得大于3mm，總彎曲度不得大于總長度的0.3%。 </p> <p> 4.4.2 工字鋼不得有明顯的扭轉(zhuǎn)。 </p> <p> 4.5重量 </p> <p> 工字鋼按理論重量交貨，亦可按實際重量交貨。按理論重量交貨時，鋼的密度為7.85g/cm'。5 技術(shù)要求 </p> <p> 5.1 冶煉方法 </p> <p> 鋼由氧氣轉(zhuǎn)爐冶煉。 </p> <p> 5.2 牌號和化學(xué)成分 </p> <p> 5.2.1 工字鋼的牌號和化學(xué)成分(熔煉分析)應(yīng)符合表4的規(guī)定 </p> <p> <br /> 新疆礦用工字鋼廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="新疆礦用工字鋼廠,鋼" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637427001774014501/7021593.png"></div><p> 4.3長度及允許偏差 </p> <p> 4.3.1 工字鋼通常長度為5m~12m。 </p> <p> 4.3.2 工字鋼按定尺或倍尺交貨時應(yīng)在合同中注明。其定尺長度允許偏差應(yīng)符合表3的規(guī)定。表3 單位為毫米 </p> <p> 長度允許偏差 </p> <p> ￡8000 +40 </p> <p> >8000 +80 </p> <p> 4.4外形 </p> <p> 4.4.1 彎曲度 </p> <p> 工字鋼每米彎曲度不得大于3mm，總彎曲度不得大于總長度的0.3%。 </p> <p> 4.4.2 工字鋼不得有明顯的扭轉(zhuǎn)。 </p> <p> 4.5重量 </p> <p> 工字鋼按理論重量交貨，亦可按實際重量交貨。按理論重量交貨時，鋼的密度為7.85g/cm'。5 技術(shù)要求 </p> <p> 5.1 冶煉方法 </p> <p> 鋼由氧氣轉(zhuǎn)爐冶煉。 </p> <p> 5.2 牌號和化學(xué)成分 </p> <p> 5.2.1 工字鋼的牌號和化學(xué)成分(熔煉分析)應(yīng)符合表4的規(guī)定. </p> <p> <br /> 昌吉礦用工字鋼廠家。烏魯木齊礦工鋼多少錢一噸</p><p style="text-indent:25px">哈密礦工鋼廠哈密礦用工字鋼廠。新疆礦用工字鋼廠</p><p> 6 檢驗方法 </p> <p> 6.1 尺寸、外形、表面質(zhì)量的檢驗 </p> <p> 6.1.1 工字鋼的尺寸和外形應(yīng)用合適的測量工具測量。 </p> <p> 6.1.2 工字鋼高度、寬度、外緣斜度在距端部不小于750mm處測量。工字鋼腰厚在端面檢查。 </p> <p> 6.1.3工字鋼的局部彎曲度以一米直尺靠量其弦高，總彎曲度以工字鋼總長度和兩端連線的比較大弦高來計算。 </p> <p> <br /> </p> <p> 6.1.4工字鋼的平均腿厚在一d處測量。 </p> <p> 6.1.5工字鋼的外緣斜度、彎腰撓度的檢查方法按圖2、圖3執(zhí)行。 </p> <p> <br /> </p> <p> 6 檢驗方法 </p> <p> <br /> </p> <p> 6.1 尺寸、外形、表面質(zhì)量的檢驗 </p> <p> <br /> </p> <p> 6.1.1 工字鋼的尺寸和外形應(yīng)用合適的測量工具測量。 </p> <p> <br /> </p> <p> 6.1.2 工字鋼高度、寬度、外緣斜度在距端部不小于750mm處測量。工字鋼腰厚在端面檢查。 </p> <p> <br /> </p> <p> 6.1.3工字鋼的局部彎曲度以一米直尺靠量其弦高，總彎曲度以工字鋼總長度和兩端連線的比較大弦高來計算。 </p> <p> <br /> </p> <p> 6.1.4工字鋼的平均腿厚在一d處測量。 </p> <p> 6.1.5工字鋼的外緣斜度、彎腰撓度的檢查方法按圖2、圖3執(zhí)行。 </p> <p> <br /> </p> <p> <br /> </p> <p> <br /> 新疆礦用工字鋼廠</p><p style="text-indent:25px">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司擁有銷售：鋼材、建材。（依法須經(jīng)批準的項目，經(jīng)相關(guān)部門批準后方可開展經(jīng)營活動）等多項業(yè)務(wù)，主營業(yè)務(wù)涵蓋鋼材，建材。目前我公司在職員工以90后為主，是一個有活力有能力有創(chuàng)新精神的團隊。公司業(yè)務(wù)范圍主要包括：鋼材，建材等。公司奉行顧客至上、質(zhì)量為本的經(jīng)營宗旨，深受客戶好評。公司力求給客戶提供全數(shù)良好服務(wù)，我們相信誠實正直、開拓進取地為公司發(fā)展做正確的事情，將為公司和個人帶來共同的利益和進步。經(jīng)過幾年的發(fā)展，已成為鋼材，建材行業(yè)出名企業(yè)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2335729.html</p></div></div></div></div></div><div id="mlsubik" class="page-right twoColRt"><div id="3m3ry2r" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="cmjbdkh" class="recomPic likePro"><a href="http://www.cdcfah.com/cp/814588.html"><div><img src="http://tyunfile.71360.com/UpLoadFile/2019/11/1/14/637082168864691056_lgpj_5374157.jpg" alt="福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></div><p>福建ZF配件哪家強信息推薦自業(yè)物資供應(yīng)</p></a></div><div 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