1、表20熱軋等邊角鋼的允許偏差和長(zhǎng)度角鋼號(hào)數(shù)邊寬b/mm邊厚d/mm長(zhǎng)度/m角鋼號(hào)數(shù)邊寬b/mm邊厚d/mm長(zhǎng)度/m2 5.6±0.8±0.441210 14±1.8±0.74-196.3 9±1.2±0.641216 20±2.5±1.06-19本文引用地址：1-1-84-8-1.html|復(fù)制地址等邊角鋼的兩個(gè)邊寬相等。其規(guī)格以邊寬x邊寬 邊厚的毫米數(shù)表示。如2 30x 30x 3；即表示邊寬為30毫米、邊厚為3毫米的等邊角鋼。也可用型號(hào)表示，型號(hào)是邊寬的厘米數(shù)，如2 3#。型號(hào)不表示同一型號(hào)中不同邊厚的尺寸，因

2、而在合同等單據(jù)上將角鋼的邊寬、邊厚尺寸填寫(xiě)齊全，避免單獨(dú)用型號(hào)表示。熱軋等邊角鋼的規(guī)格為2#-20#。表30熱軋槽鋼的尺寸允許偏差(mm)型號(hào)5 6.3 6.5810 12 12.6 1416728 30 312 39 40高度 hl± 1.5± 2.0± 2. 0± 3.0± 3.0腿寬b 1± 1.5± 2.0± 2.5± 3.0± 3.5腰厚d 1± 0.4± 0.5± 0.6± 0.7± 0.8彎腰撓度不應(yīng)超過(guò)0.15d通常長(zhǎng)度5 12m

3、5 19m6 19m型號(hào)尺寸/mm截面面積/em2理論質(zhì)量/(kg/m)參考數(shù)值hbdtrr1X-Xy-yY1-Y1zo/ cmWx/cm31x/cm4ix/ cmWy/cm3ly/cm4iy/ cmly/cm4534.7.7.3.26.1.91.120.1.350750056.9285.43810.4043.558.30956.644.7.7.3.8.4516.63416.150.2.44.5011.1.128.1.33308558859946845.8.8.4.10.243.116.1.237.1.4803000088.04525.310155.796743145.8.8.4.12.743

4、.925.1.454.1.510083552810.00739.719857.80619201155.9.9.4.15.694.938.1.577.1.52.235005212.31862.1391510.2071966114456.9.9.4.18.5114.53580.55645.513.053.1.71071.7a08055862201114468.9.9.4.21.3116.73387.16095.314.161.1.61211.6b0005586519711116666.0.0.5.21.9617.2401088666.216.373.1.81441_8a03500028330168.115.25.166.183.1.81.7166550.0.0219.752117935017.642161500011118867.0.0.5.25.6920.1741411277.020.098.1.91901.8a080552904668179.115.29.291.91.8188000.0.2923.8421.5115210405521120077.1.1.5.28.8322.6371781787.824.21282.12442.0a0300057061120200759.011.011.05.532.83725.77719119107.6425.