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#f30;"></span></p><p><span>產(chǎn)品關鍵詞：</span>烏魯木齊礦用工字鋼現(xiàn)貨,鋼</p><p><span>***更新：</span>2020-12-19 01:04:19</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="nwtlizr" 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="i3liume" class="page-proshow02"><p class="title">詳細說明</p><div id="isu2qsz" class="box"><p><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，烏魯木齊礦用工字鋼現(xiàn)貨.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，烏魯木齊礦用工字鋼現(xiàn)貨，烏魯木齊礦用工字鋼現(xiàn)貨.0%。 </p> <p> 注：偏心度=0.5× b-b </p> <p> <br /> 博樂礦用工字鋼廠家。烏魯木齊礦用工字鋼現(xiàn)貨</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊礦用工字鋼現(xiàn)貨,鋼" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637427002059424647/7772574.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 力學性能和工藝性能 </p> <p> 5.4.1工字鋼的力學性能和工藝性能應符合表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> 當屈服現(xiàn)象不明顯時，采用& </p> <p> <br /> 烏魯木齊礦工鋼多少錢哈密礦用工字鋼廠家。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="烏魯木齊礦用工字鋼現(xiàn)貨,鋼" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637427003757715664/4373349.png"></div><p> 表4 </p> <p> 化學成分(質(zhì)量分數(shù))/% </p> <p> 牌號 </p> <p> C Si Mn V P S </p> <p> Q275B ≤0.21 $0.35 ≤1.50 ≤0.045 0.045 </p> <p> 20MnK 0.15～0.26 0.20~～0.60 1.20～1.60 - ≤0.045 ≤0.045 </p> <p> 25MnK 0.21～0.31 0.20~～0.60 1.20～1.60 ≤0.045 ≤0.045 </p> <p> 20MnVK 0.17~~0.24 0.17~~0.37 1.20～1.60 0.07~～0.17 ≤0.045 ≤0.045 </p> <p> 5.2.2鋼中絡、鎳、銅的殘余含量應各不大于0.30%。如供方能保證，可不作分析 </p> <p> Q/TB 107-2017 </p> <p> 5.2.3鋼中氮含量應不大于0.012%。如供方能保證，可不作分析。鋼中如有足夠數(shù)量的氮結(jié)合元素，如A1、Nb、V、Ti等元素，氮含量不作限制。 </p> <p> 5.2.4 工字鋼化學成分允許偏差應符合GB/T222的規(guī)定。 </p> <p> 5.2.5經(jīng)供需雙方協(xié)商，并在合同中注明，可供應其它牌號的工字鋼。 </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在合同中注明。其定尺長度允許偏差應符合表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 牌號和化學成分 </p> <p> 5.2.1 工字鋼的牌號和化學成分(熔煉分析)應符合表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="烏魯木齊礦用工字鋼現(xiàn)貨,鋼" src="https://tyunfile.71360.com/WaterMark/UploadFile/xslgcmy/637427001639366111/6567663.png"></div><p> 表4 </p> <p> 化學成分(質(zhì)量分數(shù))/% </p> <p> 牌號 </p> <p> C Si Mn V P S </p> <p> Q275B ≤0.21 $0.35 ≤1.50 ≤0.045 0.045 </p> <p> 20MnK 0.15～0.26 0.20~～0.60 1.20～1.60 - ≤0.045 ≤0.045 </p> <p> 25MnK 0.21～0.31 0.20~～0.60 1.20～1.60 ≤0.045 ≤0.045 </p> <p> 20MnVK 0.17~0.24 0.17~~0.37 1.20～1.60 0.07~～0.17 ≤0.045 ≤0.045 </p> <p> 5.2.2鋼中絡、鎳、銅的殘余含量應各不大于0.30%。如供方能保證，可不作分析。 </p> <p> Q/TB 107-2017 </p> <p> 5.2.3鋼中氮含量應不大于0.012%。如供方能保證，可不作分析。鋼中如有足夠數(shù)量的氮結(jié)合元素，如A1、Nb、V、Ti等元素，氮含量不作限制。 </p> <p> 5.2.4 工字鋼化學成分允許偏差應符合GB/T222的規(guī)定。 </p> <p> 5.2.5經(jīng)供需雙方協(xié)商，并在合同中注明，可供應其它牌號的工字鋼。 </p> <p> <br /> 烏魯木齊礦工鋼廠家。烏魯木齊礦工鋼多少錢</p><p style="text-indent:25px">喀什礦用工字鋼廠家。烏魯木齊礦用工字鋼現(xiàn)貨</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在合同中注明。其定尺長度允許偏差應符合表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. 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 牌號和化學成分 </p> <p> 5.2.1 工字鋼的牌號和化學成分(熔煉分析)應符合表4的規(guī)定 </p> <p> <br /> 烏魯木齊礦用工字鋼現(xiàn)貨</p><p style="text-indent:25px">烏魯木齊鑫圣龍鋼材貿(mào)易有限公司是一家有著雄厚實力背景、信譽可靠、勵精圖治、展望未來、有夢想有目標，有組織有體系的公司，堅持于帶領員工在未來的道路上大放光明，攜手共畫藍圖，在新疆維吾爾自治區(qū)烏魯木齊市等地區(qū)的建筑、建材行業(yè)中積累了大批忠誠的客戶粉絲源，也收獲了良好的用戶口碑，為公司的發(fā)展奠定的良好的行業(yè)基礎，也希望未來公司能成為*****，努力為行業(yè)領域的發(fā)展奉獻出自己的一份力量，我們相信精益求精的工作態(tài)度和不斷的完善創(chuàng)新理念以及自強不息，斗志昂揚的的企業(yè)精神將**鑫圣龍供應和您一起攜手步入輝煌，共創(chuàng)佳績，一直以來，公司貫徹執(zhí)行科學管理、創(chuàng)新發(fā)展、誠實守信的方針，員工精誠努力，協(xié)同奮取，以品質(zhì)、服務來贏得市場，我們一直在路上！</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2460845.html</p></div></div></div></div></div><div id="vfxur28" class="page-right twoColRt"><div id="x8amzb3" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div id="9e42zvh" 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" class="vcenter" 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