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1、钢筋混凝土用钢直径、重量允许偏差表热轧带肋钢筋（） 热轧光圆钢筋（）公称直径 公称尺寸 (内径) 内径允许偏差 理论重量 （/m ） 重量允许偏差 公称直径 内径允许偏差 理论重量 （/m ） 重量允许偏差6 5.8 0.3 0.222 6 0.2228 7.7 0.395 8 0.39510 9.6 0.617 10 0.61712 11.5 0.8887%120.30.8887%14 13.4 1.21 14 1.20816 15.4 1.58 16 1.57818 17.30.41.993 18 1.99320 19.3 2.475%20 2.4655%22 21.3 2.98 220.
2、42.984 4%25 24.20.53.8528 27.2 4.8332 31 6.3136 350.67.9940 38.7 0.7 9.8750 48.5 0.8 15.424%说明：1、公称直径：与钢筋的横截面 积相等对应的圆钢直径；2、公称尺寸：指产品的具体标 准尺寸，如 带肋钢筋的直径、肋高、肋距等；3、选用GB1499.12008 钢 筋混凝土用钢第一部分：热轧 光圆钢筋及GB1499.22007 钢筋混凝土用钢第二部分：热轧带肋钢筋。4、各表式均由总师办供稿。热轧角钢截面特征、重量允许偏差表热轧 等边角钢 GB9787-88 热轧不等 边角钢筋 GB9788-88边长()厚度(
3、)截 面 积( 2)重 量(/m)每 米 重 量允 许 偏 差边长()厚度()截 面 积( 2)重 量(/m)每 米 重 量允 许 偏 差20 34 1.131.46 0.891.15 2516 34 1.161.50 0.911.1825 34 1.431.86 1.121.46 3220 34 1.491.94 1.171.5230 34 1.752.28 1.371.79 4025 34 1.892.47 1.481.94363452.112.763.381.662.162.654528 34 2.152.81 1.692.20403452.363.093.791.852.422.985
4、032 34 2.433.18 1.912.494534562.663.494.295.082.092.743.373.9956363452.743.594.422.152.823.475034562.973.904.805.692.333.063.774.47634045674.064.995.916.803.193.924.645.345634583.344.395.428.372.623.454.256.57704545674.555.616.657.663.574.405.226.01634568104.986.147.299.5211.663.914.825.727.479.1575
5、50568106.137.269.4711.594.815.707.439.1070456785.576.888.169.4210.674.375.406.417.408.37805056786.387.568.729.875.015.936.857.75755678107.378.8010.1611.5014.135.826.917.989.0311.09不超过+3%-5%905656787.218.569.8811.185.666.727.768.78不超过+3%-5%热轧角钢截面特征、重量允许偏差表热轧 等边角钢 GB9787-88 热轧不等 边角钢筋 GB9788-88边长()厚度()
6、截 面 积( 2)重 量(/m)每 米 重 量允 许 偏 差边长()厚度()截 面 积( 2)重 量(/m)每 米 重 量允 许 偏 差805678107.919.4010.8612.3015.136.217.388.539.6611.8710063678109.6211.1112.5815.477.558.729.8812.1490678101210.6412.3013.9417.1720.318.359.6610.9513.4815.94100806781010.6412.3013.9417.178.359.6610.9513.481006781012141611.9313.8015.64
7、19.2622.8026.2629.639.3710.8312.2815.1217.9020.6123.26110706781010.6412.3013.9417.178.359.6610.9513.481107810121415.2017.2421.2625.2029.0611.9313.5316.6919.7822.811258078101214.1015.9919.7123.3511.0712.5515.4718.33125810121419.7524.3728.9133.3715.5119.1322.7026.1914090810121418.0422.2626.4030.4614.1
8、617.4820.7223.911401012141627.3732.5137.5742.5421.4925.5229.4933.391601001012141625.3230.0534.7139.2819.8723.5927.2530.841601012141631.5037.4443.3049.0724.7329.3933.9938.521801101012141628.3733.7138.9744.1422.2726.4630.5934.651801214161842.2448.9055.4761.9633.1638.3843.5448.632001251214161837.9143.8
9、749.7455.5329.7643.4439.0543.59不超过+3%-5%200141618202454.6462.0169.3070.5190.6642.8948.6854.4060.0671.17不超过+3%-5%热轧普通工字钢截面特征、重量允许偏差表热轧普通工字钢 GB706-88型号 腰高() 腿宽() 腰厚()截 面 积( 2)重 量(/m)腰高允 许 偏 差腿宽允 许 偏 差腰厚允 许 偏 差每 米 重 量允 许 偏 差10 100 68 4.5 14.35 11.2612.6 126 74 5.0 18.12 14.2214 140 80 5.5 21.52 16.892.
10、0()16 160 88 6.0 26.13 20.5118 180 94 6.6 30.76 24.142.0()2.5()0.5()20 200 100 7.0 35.58 27.9320 200 102 9.0 39.58 31.0722 220 110 7.5 42.13 33.0722 220 112 9.5 46.53 36.5225 250 116 8.0 48.54 38.1125 250 118 10.0 53.54 42.0328 280 122 8.5 55.40 43.4928 280 124 10.5 61.00 47.903.0()0.7()32 320 130 9
11、.5 67.16 52.7532 320 132 11.5 73.56 57.7432 320 134 13.5 79.96 62.7736 360 136 10.0 76.48 60.0436 360 138 12.0 83.68 65.6936 360 140 14.0 90.88 71.3440 400 142 10.5 86.11 67.6040 400 144 12.5 94.11 73.8840 400 146 14.5 102.11 80.13.0()3.5()0.8()45 450 150 11.5 102 80.4245 450 152 13.5 111.45 87.4945
12、 450 154 15.5 120.45 94.554.0()4.0()0.9()不超过+3%-5%热轧普通槽钢截面特征、重量允许偏差表热轧普通槽钢 GB707-88型号 腰高() 腿宽() 腰厚()截 面 积( 2)重 量(/m)腰高允 许 偏 差腿宽允 许 偏 差腰厚允 许 偏 差每 米 重 量允 许 偏 差5 50 37 4.5 6.93 5.446.3 63 40 4.8 8.45 6.638 80 43 5.0 10.25 8.051.5()1.5()0.4()10 100 48 5.3 12.75 10.0112.6 126 53 5.5 15.69 12.322.0()0.5()
13、14 140 58 6.0 18.52 14.5414 140 60 8.0 21.32 16.7316 160 63 6.5 21.96 17.2416 160 65 8.5 25.16 19.7518 180 68 7.0 25.70 20.1718 180 70 9.0 29.30 23.002.0()2.5()0.6()20 200 73 7.0 28.84 22.6420 200 75 9.0 32.84 25.7822 220 77 7.0 31.85 25.0022 220 79 9.0 36.25 28.4525 250 78 7.0 34.92 27.4125 250 80 9.0 39.92 31.3425 250 82 11.0 44.92 35.2628 280 82 7.5 40.03 31.4328 280 84 9.5 45.63 35.8228 280 86 11.5 51.23 40.223.0()0.7()32 320 88 8.0 48.51 38.0832 320 90 10.0 54.91 43.1132 320 92 12.0 61.31 48.1336 360 96 9.0 60.91 47.81 3.0()3.5()0.8()不超过+3%-5%
