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《CTO-20-93(最新的熱軋寬翼緣鋼結(jié)構(gòu)型鋼標(biāo)準(zhǔn)-現(xiàn)采用).doc》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在工程資料-天天文庫。
1、СТОАСЧМ20-93黑色冶金標(biāo)準(zhǔn)協(xié)會(huì)黑色冶金產(chǎn)品標(biāo)準(zhǔn)化企業(yè)和組織協(xié)會(huì)標(biāo)準(zhǔn)異形軋鋼帶平行翼緣的熱軋工字鋼技術(shù)條件。Rolledsteelsections.I-beerswithparalleladgusofflanges.Specifications實(shí)施日期：1994年1月1日1適用范圍本標(biāo)準(zhǔn)規(guī)定了對(duì)非合金和低合金鋼制成的熱軋工字鋼的要求。2標(biāo)準(zhǔn)索引國家標(biāo)準(zhǔn)ГОСТ535-88。普通質(zhì)量碳素鋼制成的型鋼和異型鋼。通用技術(shù)條件。國家標(biāo)準(zhǔn)ГОСТ19281-89。高強(qiáng)度鋼制成的軋材。通用技術(shù)條件。國家標(biāo)準(zhǔn)ГОСТ27772-88。用于建筑鋼結(jié)構(gòu)的軋材。通用技術(shù)條件。國
2、家標(biāo)準(zhǔn)ГОСТ7566-81。進(jìn)一步煉制的軋材及制品。驗(yàn)收、標(biāo)記、包裝、運(yùn)輸和存儲(chǔ)規(guī)范。3.規(guī)格3.1根據(jù)工字鋼的尺寸及剖面形狀分為下列3種類型：Б——帶平行翼緣的標(biāo)準(zhǔn)工字鋼；Ш——帶平行翼緣的寬翼緣工字鋼；К——帶平行翼緣的柱形工字鋼。3.2工字鋼的橫截面應(yīng)與圖1相符。圖1圖例：H——工字鋼高度；b——翼緣寬度；t——翼緣厚度；S——腹板厚度；R——連接半徑3.3工字鋼尺寸、橫截面面積、每米型材重量及軸參考值（I——慣性力矩；W——阻力矩；S——半截面的靜力矩；i——慣性半徑）見表1。表1工字鋼尺寸、橫截面面積、每米重量、軸參考值普通工字鋼剖面剖面尺寸，mm截面面
3、積，cm2每米重量，kg軸參考值hbStRIх,cm4Wх,cm3Sх,cm3ix,cmIу,cm4Iу,cm3iу,cm10Б1100554.15.7710.328.117134.219.74.0715.95.81.2412Б1117.6643.85.1711.038.725743.824.94.8322.471.4312Б2120644.46.3713.2110.43185330.44.927.78.71.4514Б1137.4733.85.6713.3910.543563.335.85.736.4101.6514Б2140734.76.9716.4312.95
4、4177.344.25.7444.912.31.6516Б11578245.9916.1812.768987.849.66.5354.413.31.8316Б21608257.4920.0915.8869108.761.96.5868.316.71.8418Б1177914.36.5919.5815.41063120.167.77.3781.9182.0518Б2180915.389223.9518.81317146.383.27.42100.822.22.0520Б12001005.581127.1621.31844184.4104.78.24133.926.82
5、.2225Б1248124581232.6825.73537285.3159.710.4254.841.12.7925Б2250125691237.6629.64052324.2182.910.37293.8472.7930Б12981495.581340.80326319424.1237.512.44441.959.33.2930Б23001506.591346.7836.77210480.6271.112.41507.467.73.2935Б1346174691452.6841.411095641.3358.114.51791.4913.8835Б2350175
6、7111463.1449.613560774.843414.65984.2112.53.9540Б13961997111672.1656.6200201011.156416.661446.9145.44.4840Б24002008131684.1266237061185.3663.216.791736.2173.64.5445Б14461998121884.3066.2286991287725.118.451579.7158.84.3345Б24502009141896.7676334531486.8839.618591871.3187.14.450Б1492199
7、8.8122092.3872.5368451497.8853.519.971581.5158.94.1450Б2496199914201011.2779.5418721688.4957.320.331844.4185.44.2750Б3500200101620114.2389.74784919141087.720.472140.32144.3355Б15432209.513.524113.3689556822050.91165.122.162404.5218.64.6155Б25472201015.524124.7597.9627902295.81301.622
