工字钢的规格尺寸及常识

0⾮定尺和定尺的供应数量由供需双⽅协商确定
重量字钢理论重量或实
际重量交货
⼯字钢计算理论重量
时,钢的密度为
7.85G/⽴⽅厘⽶
⼯字钢截⾯⾯积的计算
公式为:
HD+2T(B-
D)+0.815(R平⽅-
R1平⽅)
普⼯20a:
截⾯⾼度H=200mm;
截⾯宽度B=100mm;
翼缘厚度tf=11.4mm;
腹板厚度tw=7mm;
截⾯⾯积A=3555mm2;
惯性矩Ix=23690000mm4;
惯性矩Iy=1579000mm4;
截⾯模量Wx=236900mm3
普⼯20b:
截⾯⾼度H=200mm;
截⾯宽度B=102mm;
翼缘厚度tf=11.4mm;
腹板厚度tw=9mm;
截⾯⾯积A=3955mm2;
惯性矩Ix=25020000mm4;
惯性矩Iy=1690000mm4;
截⾯模量Wx=250200mm3;
截⾯模量Wy=33137mm3;
轻⼯20:
截⾯⾼度H=200mm;
截⾯宽度B=100mm;
翼缘厚度tf=8.4mm;
腹板厚度tw=5.2mm;
截⾯⾯积A=2680mm2;
惯性矩Ix=18400000mm4;
惯性矩Iy=1150000mm4;
截⾯模量Wx=184000mm3
轻⼯20a:
截⾯⾼度H=200mm;
截⾯宽度B=110mm;
翼缘厚度tf=8.6mm;
腹板厚度tw=5.2mm;
截⾯⾯积A=2890mm2;
惯性矩Ix=20300000mm4;
惯性矩Iy=1550000mm4;
截⾯模量Wx=203000mm3
热轧等边⾓钢5#
b=50mm,d=3mm,r=5.5mm,截⾯⾯积2.971cm2,理论重量2.332公⽄/⽶,外表⾯积0.197⽶2/⽶b=50mm,d=4mm,r=5.5mm,截⾯⾯积3.897cm2,理论重量3.059公⽄/⽶,外表⾯积0.197⽶2/⽶b=50mm,d=5mm,r=5.5mm,截⾯⾯积4.803cm2,理论重量3.770公⽄/⽶,外表⾯积0.196⽶2/⽶
b=50mm,d=6mm,r=5.5mm,截⾯⾯积5.688cm2,理论重量4.465公⽄/⽶,外表⾯积0.196⽶2/⽶
轻槽12:
截⾯⾼度H=120mm;
截⾯宽度B=52mm;
翼缘厚度tf=4.8mm;
腹板厚度tw=7.8mm;
中和轴距离z0=15.4mm;
截⾯⾯积A=1330mm2;
惯性矩Ix=3010000mm4;
惯性矩Iy=312000mm4;
截⾯模量Wx=50167mm3;
五、⼯字钢单位重量表
热轧普通⼯字钢每⽶重量表
型号
尺⼨(毫⽶)截⾯⾯积
(厘⽶2)理论重量(公⽄/⽶)
h b d t r1
 1010068  4.57.6  3.314.311.2 12.61267458.4  3.518.114.2 1414080  5.59.1  3.821.516.9 161608869.9426.120.5 1818094  6.510.7  4.330.624.1 20a200100711.4  4.535.527.9 20b200102911.4  4.539.531.1 22a2201107.512.3  4.84233 22b2201129.512.3  4.846.436.4 25a250116813548.538.1 25b2501181013553.542 28a2801228.513.7  5.355.4543.4 28b28012410.513.7  5.361.0547.9 32a3201309.515  5.867.0552.7 32b32013211.515  5.873.4557.7 32c32013413.515  5.879.9562.8 36a3601361015.8676.359.9 36b3601381215.8683.565.6 36c3601401415.8690.771.2 40a40014210.516.5  6.386.167.6 40b40014412.516.5  6.394.173.8 40c40014614.516.5  6.310280.1 45a45015011.518  6.810280.4 45b45015213.518  6.811187.4 45c45015415.518  6.812094.5 50a5001581220711993.6 50b50016014207129101 50c50016216207139109
50c50016216207139109
56a56016612.5217.3135.25106.2
56b56016814.5217.3146.45115
56c56017016.5217.3157.85123.9
63a63017613227.5154.9121.6
63b63017815227.5167.5131.5
63c63018017227.5180.1141热轧轻型⼯字钢每⽶重量表
型号尺⼨(毫⽶)截⾯⾯积
(厘
⽶2)
理论重量
(公⽄/⽶)
燃气吹灰器
电动开瓶器型
尺⼨(毫⽶)
截⾯⾯积
(厘⽶2)
理论重
(公⽄/⽶) h b d t h b d t
1010055  4.57.212.09.461818090  5.18.123.418.4 1212064  4.87.314.711.518a1801005.18.325.419.9 1414073  4.97.517.413.7202001005.28.426.821.0 1616081  5.07.820.21520a2001105.28.628.922.7 222201105.48.730.624.0404001558.013.071.456.1 22a2201205.48.932.825.8454501608.614.283.065.2 242401155.69.534.827.3505001709.515.297.876.8 24a2401255.69.837.529.45555018010.316.511489.8 272701256.09.840.231.56060019011.117.8132104 27a2701356.010.243.233.9656502001219.2153
120 303001356.510.246.536.5707002101320.8176138 30a3001456.510.749.939.270a7002101524.0202158 333301407.011.253.842.270b70021017.528.2234184 363601457.512.361.948.6       六、槽钢单位重量表
热轧普通槽钢每⽶重量表
型号尺⼨(毫⽶)截⾯⾯积
(厘
⽶2)
理论重量
(公⽄/⽶)
尺⼨(毫⽶)
截⾯⾯积
(厘⽶2)
理论重
(公⽄/⽶) h b d t h b d t
55037  4.57  6.93  5.4414a1405869.518.5114.53 6.36340  4.87.58.444  6.6314b1406089.521.3116.73 8804358110.248.0416a16063  6.51021.9517.23 1010048  5.38.512.741016160658.51025.1519.74 12.612653  5.5915.6912.3718a18068710.525.6920.17 1818070910.529.2922.9928c2808611.512.551.2240.21 20a2007371128.8322.6332a3208881448.7038.22 202007591132.8325.7732b32090101455.1043.25 22a22077711.531.8424.9932c32092121461.5048.28 2222079911.536.2428.4536a3609691660.8947.80 25a2507871234.9127.4736b36098111668.0953.
挡板砖
45 25b2508091239.9131.3936c360100131675.2950.10 25c25082111244.9135.3240a40010010.51875.0558.91 28a280827.512.540.0231.4240b40010212.51883.0565.19 28b280849.912.545.6235.8140c40010414.51891.0571.47热轧轻型槽钢每⽶重量表
型号尺⼨(毫⽶)截⾯⾯积理论重量h b d t r1
h b d t r1
(厘⽶2)(公⽄/⽶)55032  4.47.0  2.5  6.16  4.84
6.56536  4.4e通话
二维码支付7.2  2.57.51  5.90 88040  4.57.4  2.5
8.897.05 1010046  4.57.6  3.010.908.59 1212052  4.87.8  3.013.3010.4 1414058  4.98.1  3.015.6012.3
14a14062  4.98.7  3.017.0013.3 1616064  5.08.4  3.518.1014.2
16a16068  5.09.0  3.519.5015.3 1818070  5.18.7  3.520.7016.3
18a18074  5.19.3  3.522.2017.4 2020076  5.29.0  4.023.418.4
20a20080  5.29.7  4.025.219.8 2222082  5.49.5  4.026.721.0
22a22087  5.410.2  4.028.822.6 2424090  5.610.0  4.030.624.0
24a24095  5.610.7  4.032.925.8 2727095  6.010.5  4.535.227.7 30300100  6.511.0540.531.8 333301057.011.7546.536.5 363601107.512.6653.441.9 404001158.013.5661.548.3
七、轨道材料重量表
钢轨每⽶重量表
钢轨类型(公⽄/⽶)尺⼨(毫⽶)截⾯⾯
积F(厘⽶2)
理论重量(公
⽄/⽶)
⾼A度底B宽头C宽腰D厚
风机消音器
轻轨5504422  4.5  6.41  5.03 86554257.010.768.42 1180.566327.014.3111.20 159176377.018.8014.72 1890804010.023.0718.06 24107925110.931.2424.46
重轨331201106012.542.533.286 38134114681349.538.73 431401147014.557.044.653 501521327015.565.851.514
鱼尾板每块重量表
钢轨类型尺⼨(毫⽶)横截⾯⾯
积(厘⽶2)
每块加⼯后的
重量(公⽄)
鱼尾板
标准号A B C D
5公⽄/⽶212265256  1.760.269YB229-63
8公⽄/⽶270307070  3.490.687YB228-63
11公⽄/⽶35832100947.11  1.91YB227-63
15公⽄/⽶3723610010010.12  2.78YB226-63
18公⽄/⽶扁平型
37236100100
8.5  2.33YB225-⾓型10.9  3.03

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