CTO2093最新的熱軋寬翼緣鋼結(jié)構(gòu)型鋼標(biāo)準(zhǔn)現(xiàn)采用

1、 20-93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。Rolled steel sections. I-beers with parallel adgus of flanges.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) 535-88。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) 19281-89。高強(qiáng)度鋼制成的軋材。通用技術(shù)條件。國家標(biāo)準(zhǔn) 27772-88。用于建筑鋼結(jié)構(gòu)的軋材。通用技術(shù)條件。國家標(biāo)準(zhǔn) 7566-81。進(jìn)一步煉制的

2、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：帶平行翼緣的標(biāo)準(zhǔn)工字鋼；帶平行翼緣的寬翼緣工字鋼；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截面面積，cm2每米重量，kg軸參考值hbStRI, cm4W, cm3S, cm3ix, cmI, cm4I, cm

3、3i, cm10 1100554.15.7710.328.117134.219.74.0715.95.81.2412 1117.6643.85.1711.038.725743.824.94.8322.471.4312 2120644.46.3713.2110.43185330.44.927.78.71.4514 1137.4733.85.6713.3910.543563.335.85.736.4101.6514 2140734.76.9716.4312.954177.344.25.7444.912.31.6516 11578245.9916.1812.768987.849.66.5354.41

4、3.31.8316 21608257.4920.0915.8869108.761.96.5868.316.71.8418 1177914.36.5919.5815.41063120.167.77.3781.9182.0518 2180915.389223.9518.81317146.383.27.42100.822.22.0520 12001005.581127.1621.31844184.4104.78.24133.926.82.2225 1248124581232.6825.73537285.3159.710.4254.841.12.7925 2250125691237.6629.6405

5、2324.2182.910.37293.8472.7930 12981495.581340.80326319424.1237.512.44441.959.33.2930 23001506.591346.7836.77210480.6271.112.41507.467.73.2935 1346174691452.6841.411095641.3358.114.51791.4913.8835 23501757111463.1449.613560774.843414.65984.2112.53.9540 13961997111672.1656.6200201011.156416.661446.914

6、5.44.4840 24002008131684.1266237061185.3663.216.791736.2173.64.5445 14461998121884.3066.2286991287725.118.451579.7158.84.3345 24502009141896.7676334531486.8839.618591871.3187.14.450 14921998.8122092.3872.5368451497.8853.519.971581.5158.94.1450 2496199914201011.2779.5418721688.4957.320.331844.4185.44

7、.2750 3500200101620114.2389.74784919141087.720.472140.32144.3355 15432209.513.524113.3689556822050.91165.122.162404.5218.64.6155 25472201015.524124.7597.9627902295.81301.622.442760.3250.94.760 1596199101522120.4594.6687212306.11325.523.891979198.94.0560 2600200111722134.41105.5776382587.91489.524.03

8、2277.5227.84.1270 069323011.815.224153.05120.11141873295.51913.127.313097.7269.44.570 16912601215.524164.74129.31259313644.92094.927.654556.4350.55.2670 269726012.518.524183.64144.21459134186.92392.828.195436.7418.25.44寬翼緣工字鋼（H型工字鋼）剖面剖面尺寸，mm截面面積，cm2每米重量，kg軸參考值hbStRI, cm4W, cm3S, cm3ix, cmI, cm4I, cm

9、3i, cm20 1194150691339.0130.62690277.3154.38.3507.167.63.6125 12441757111656.2444.16122501.8279.210.43984.3112.54.1830 12942008121872.3856.811339771.4429.512.521602.9160.34.7130 23002019151887.3868.614210947.4529.912.752033.8202.44.8235 13342498112083.1765.3171081024.4563.814.342834.1227.65.8435 234

10、025091420101.5179.7216781275.2706.114.613650.5292640 13832999.512.522112.9188.6305561595.6880.816.455575.4372.97.0340 2390300101622135.95106.7386761983.4109416.877207.1480.57.2845 1440300111824157.38123.5560722548.71412.518.888110.3540.77.1850 1482300111526145.52114.26037125051395.720.376762.4450.86

11、.8250 248730014.517.526176.34138.4718672951.41666.720.197896.4526.46.6950 349330015.520.526198.86156.18344133851912.820.489249.7616.66.8250 449930016.523.526221.38173.8952823818.92161.520.7510603.4706.96.9260 1582300121728174.491371027173529.81981.524.267668511.26.6360 25893001620.528217.41170.71262

12、014285.3243924.099257.4617.26.5360 35973001824.528252.37198.11500435026.62869.924.3811067.3737.86.6260 46053002028.528287.33225.61744585767.23305.624.6412879.3858.66.770 1692300132028211.491661724334983.72814.628.559022.9601.56.5370 2698300152328242.53190.419879156963233.628.6310381.1692.16.5470 370

13、73001827.528289.09226.92390326761.93867.228.7612422.4828.26.5670 471530020.531.528329.39258.62751387696.24426.728.914240.2949.36.5870 57253002336.528375.69294.93197938821.95099.529.1816512.31100.86.6380 178230013.51728209.71164.62054585254.73018.931.37676.7511.86.0580 2792300142228243.45191.12536556

14、405.43644.132.289928.9661.96.3990528243.96191.52925836642.13861.234.638278.5553.75.8390 2890299152328270.87212.63453357760.3445735.7110283.3687.86.16100 1990320162130293.8230.64460399010.95234.138.9611517.9719.96.26100 2998320172530328.88258.251637310348.25982.639.6213710856.96.46100 31

15、006320182930363.96285.758773011684.56736.240.1815903993.96.61100 4101332019.532.530400.58314.565544912940.7747040.4517828.81114.36.67柱形工字鋼剖面剖面尺寸，mm截面面積，cm2每米重量軸參考值hbStRI, cm4W, cm3S, cm3ix, cmI, cm4I, cm3i, cm20 11961996.5101352.6941.43846392.5216.48.541314.4132.14.9920 22002008121363.5349.94716471.

16、6262.88.621601.4160.15.0225 12462498121679.7262.69171745.6410.710.733089.9248.26.2325 22502509141692.1872.410833866.6480.310.843648.6291.96.2925 32532511015.516102.2180.212154960.8535.410.94088.6325.86.3230 129829991418110.8087188491265.1694.713.046240.9417.57.5130 2300300101518119.7894204111360.775

17、0.613.056754.5450.37.5130 3300305151518134.78105.8215361433.7806.912.647104.4465.97.2630 4304301111718134.82105.8233811538.2852.813.177732.3513.87.5735 1342348101520139.03109.1312491827.41001.214.9910541.7605.88.7135 2350350121920173.87136.5402962302.61272.715.2213585.3776.38.8440 1394398111822186.8

18、1146.6561472850.11559.317.3418921.9950.810.0640 2400400132122218.69171.7666233331.21936.317.45224121120.610.1240 3406403162422254.87200.1780413844.42139.917.526199.51300.210.1440 4414405182822295.39231.9927734481.82513.217.7231026.21532.210.2540 54294002335.522370.49290.812029256083198.618.0237914.2

19、1895.710.12備注1 根據(jù)標(biāo)準(zhǔn)尺寸計(jì)算橫截面面積、每米型材重量及參考值。 鋼密度取值為7.85g/cm3。2 連接半徑用于確定尺寸，對(duì)于成品軋材無需檢查。3 翼緣角的磨鈍通過軋制工藝保證不超過3mm，對(duì)于型材無需檢查。3.4 工字鋼（圖1和圖2）橫截面尺寸和外形的極限偏差應(yīng)符合表2中規(guī)定值。圖2圖例：b1拉長凸緣寬度；b2截短凸緣寬度；翼緣彎曲；f彎腰撓度；表2橫截面尺寸和外形極限偏差參數(shù)尺寸極限偏差高度，h小于120（含120）± 2.0120380± 3.0380580+ 4.0大于580± 5.0翼緣寬度（腿寬），b高度h小于120（含120）

20、77; 2.0大于120± 3.0腹板厚度（腰厚），S小于4.4（含4.4）± 0.54.46.5（含6.5）± 0.76.516.0± 1.016.023+ 1.5大于23± 2.0翼緣厚度（腿厚），t小于6.3（含6.3）± 1.06.316.0± 1.516.025± 2.0大于25± 2.5工字鋼長度，I小于7000+ 40700015000+ (40+5(1-7)大于15000+100翼緣彎曲，高度h小于120（含120）1.01202900.015b但不超過3.0大于2900.015b但不超過

21、4.0翼緣相對(duì)于壁板的偏移高度h小于120（含120）1.51201902.51902903.0大于290且翼緣寬度b小于2203.0大于290且翼緣寬度b大于2204.5彎腰撓度，f高度h小于120（含120）1.01203801.53806802.0大于6803.03.5 工字鋼制造長度為：定尺長度；定尺長度，帶無定尺長度；無定尺長度；無定尺范圍內(nèi)的限定長度。3.6 定尺長度工字鋼可按以下長度制造（米）：9、10、12、15、18、24。在客戶和制造商協(xié)商同意條件下可以制造范圍在824之間、以及中間尺寸范圍為0.1米的其它定尺長度工字鋼。3.7 制造帶無定尺長度的定尺長度工字鋼時(shí)，無定尺長

22、度工字鋼數(shù)量不得超過：批次重量的5%每米工字鋼重量小于20千克時(shí)；批次重量的8%每米工字鋼重量大于20千克，小于50千克時(shí)；批次重量的12%每米工字鋼重量大于50千克，小于110千克（含110千克）時(shí)；批次重量的20%每米工字鋼重量大于110千克時(shí)。3.8 無定尺長度以及長度限制在無定尺范圍內(nèi)的工字鋼長度范圍為4到24米。3.9 工字鋼彎度不得超過工字鋼長度的0.2%。根據(jù)客戶的要求生產(chǎn)高度大于300毫米工字鋼時(shí)，其彎度不得超過工字鋼長度的0.1%。3.10 切面傾斜度不得造成工字鋼長度超過其長度極限偏差。工字鋼的長度即為端面垂直于縱軸線的切除部分的假定長度。3.11 根據(jù)客戶的要求，制造工字鋼時(shí)，每米工字鋼規(guī)定重量偏差為±4%。圖例示例：按國家標(biāo)準(zhǔn) 19281-89劃分類別為12、強(qiáng)度等級(jí)為345的092號(hào)鋼制20 1型剖面標(biāo)準(zhǔn)工字鋼：工字鋼20 1 20 - 93345 - 099 - 12 19281 - 89按國家標(biāo)準(zhǔn) 535-88劃分類別為5的3號(hào)鋼制30 2型剖面寬翼緣工字鋼：工字鋼30 2 20 - 933 - 5 535 - 88按國家標(biāo)準(zhǔn)27772