0..19054503-2021.15208.、555.819的1444钢16813允9364O7.8边1.9.5628、0示距209、6060872／对-1O072210183级25-93624572O2m6尺.5钢814.7-22许质5表17000用09-067-6248241.9方3／s25k.5积0.20.21截0077l53O08401143O3-0435044...5、654沦83&00.6O质-.2508.0.O239728.O.7O1-54600.m19.c7.拉63839l六.00OO／202截5注.....面论06.1..理...1寸寸01141.5317332方OO0920.7935、91031274偏1距0.000对61119O8401
冷拉圆钢、方钢、六角钢的尺寸规格1252.50钢0221120O7.216965沦O2.k7904011223量0.8.1.910660.)49O47462449OlO0O-1O7、方9适.527差3.61应6OO，11..33.方3.2250.4尺5.72-s0141584g62627578031OO11.1O5。20.1208.41643O5.56.量OO度8976.11、1O.O-.4507O.3.22／的69.322210.516形.O2O01332044／1.0.509161125.4钢角面3对-90..5378020表7581035钢2中6222504面.2-01.论O0.7m91.5.1截4913表4论3许2750177.1.六..32.30-074520差-8.O8号324.
尺寸／mm | 圆 钢 | 方 钢 | 六角钢 | |||
截面面积／mm2 | 理论质量／(kg／m) | 截面面积／mm² | 理论质量／(kg／m) | 截面面积／mm² | 理论质量／(kg／m) | |
3.0 | 7.069 | 0.0555 | 9.000 | O.0706 | 7.794 | O.0612 |
3.2 | 8.042 | O.063l | 10.24 | 0.0804 | 8.868 | O.0696 |
3.5 | 9.621 | O.0755 | 12.25 | O.0962 | 10.6l | O.0833 |
4.O | 12.57 | 0.0986 | 16.00 | 0.126 | 13.86 | 0.109 |
4.5 | 15.90 | O.125 | 20.25 | O.159 | 17.54 | O.138 |
5.0 | 19.83 | 0.154 | 25.00 | O.196 | 21.65 | O.170 |
5.5 | 23.76 | O.187 | 30.25 | 0.237 | 26.20 | 0.206 |
6.O | 28.27 | O.222 | 36.00 | 0.283 | 31.18 | 0.245 |
6.3 | 31.17 | O.245 | 39.69 | O.312 | 34.37 | O.270 |
7.O | 38.48 | O.302 | 49.00 | O.385 | 42.44 | O.333 |
7.5 | 44.18 | O.347 | 56.25 | O.442 |
|
|
8.0 | 50.27 | 0.395 | 64.00 | 0.502 | 55.43 | O.435 |
8.5 | 56.75 | 0.445 | 72.25 | 0.567 |
|
|
9.O | 63.62 | O.499 | 81.00 | O.636 | 70.15 | 0.55l |
9.5 | 70.88 | O.556 | 90.25 | O.708 |
|
|
10.0 | 78.54 | 0.617 | 100.O | 0.785 | 86.60 | O.680 |
10.5 | 86.59 | O.680 | 110.2 | O.865 |
|
|
11.0 | 95.03 | O.746 | 121.0 | O.950 | 104.8 | 0.823 |
11.5 | 103.9 | 0.815 | 132.2 | 1.04 |
|
|
12.0 | 113.1 | O.888 | 144.O | 1.13 | 124.7 | O.979 |
13.O | 132.7 | 1.04 | 169.0 | 1.33 | 146.4 | 1.15 |
14.O | 153.9 | 1.21 | 196.O | 1.54 | 169.7 | 1.33 |
15.O | 176.7 | 1.39 | 225.O | 1.77 | 194.9 | 1.53 |
16.O | 201.1 | 1.58 | 256.0 | 2.01 | 221.7 | 1.74 |
17.0 | 227.0 | 1.78 | 289.0 | 2.27 | 250.3 | 1.96 |
18.0 | 254.5 | 2.00 | 324.0 | 2.54 | 280.6 | 2.20 |
19.0 | 283.5 | 2.23 | 361.O | 2.83 | 312.6 | 2.45 |
20.0 | 314.2 | 2.47 | 400.O | 3.14 | 346.4 | 2.72 |
21.O | 346.4 | 2.72 | 441.O | 3.46 | 381.9 | 3.00 |
22.O | 380.1 | 2.98 | 484.0 | 3.80 | 419.2 | 3.29 |
24.0 | 452.4 | 3.55 | 576.O | 4.52 | 498.8 | 3.92 |
25.O | 490.9 | 3.85 | 625.O | 4.91 | 541.3 | 4.25 |
26.O | 530.9 | 4.17 | 676.O | 5.31 | 585.4 | 4.60 |
28.O | 615.8 | 4.83 | 784.O | 6.15 | 679.O | 5.33 |
30.O | 706.9 | 5.55 | 900.O | 7.06 | 779.4 | 6.12 |
32.0 | 804.2 | 6.3l | 102.4 | 8.04 | 886-8 | 6.96 |
34.O | 907.9 | 7.13 | 1156 | 9.07 | 1001 | 7.86 |
35.O | 962.1 | 7.55 | 1225 | 9.62 |
| 1 |
36.O |
|
|
|
| 1122 | 8.81 |
38.O | 1134 | 8.90 | 1444 | 11.3 | 125l | 9.82 |
40.0 | 1257 | 9.86 | 1600 | 12.6 | 1386 | 10.9 |
42.0 | 1385 | 10.9 | 1764 | 13.8 | 1528 | 12.O 1 |
45.O | 1590 | 12.5 | 2025 | 15.9 | 1754 | 13.8 |
48.O | 1810 | 14.2 | 2304 | 18.1 | 19915 | 15.7 |
50.0 | 1968 | 15.4 | 2500 | 19.6 | 2165 | 17.O |
52.O | 2206 | 17.3 | 2809 | 22.0 | 2433 | 19.1 |
55.O |
|
|
|
| 2620 | 20.5 |
56.0 | 2463 | 19.3 | 3136 | 24.6 |
|
|
60.O | 2827 | 22.2 | 3600 | 28.3 | 3118 | 24.5 |
63.O | 3117 | 24.5 | 3969 | 31.2 |
|
|
65.0 |
|
|
|
| 3654 | 28.7 |
67.0 | 3526 | 27.7 | 4489 | 35.2 |
|
|
70.O | 3848 | 30.2 | 4900 | 38.5 | 4244 | 33.1 |
75.0 | 4418 | 34.7 | 5625 | 44.2 | 4871 | 38.2 |
80.O | 5027 | 39.5 | 6400 | 50.2 | 5543 | 43.5 |
注：1.表内尺寸-栏，对圆钢表示直径，对方钢表示边长，对六角钢表示对边距离。以下各表相同。
2.表中理论质量按密度为7.85g／cm3计算。对高合金钢计算理沦质量时应采用相应牌号的密度。
(2)允许偏差见表4-6、表4-7。
表4_6冷拉圆钢、方钢、六角钢的尺寸允许偏差 (mm)
尺寸 | 允许偏差级别 | |||||
8 h8 | 9 h9 | 10 hlO | 11 hll | 12 h12 | 13 h13 | |
允许偏差 | ||||||
3 | 0-0.014 | 0-0.025 | O-O.040 | 0-O.060 | 0-0.15 | O-O.14 |
>3～6 | O-O.018 | O-0.030 | 0-O.048 | 0-0.075 | O-O.12 | 0-O.18 |
>6～10 | O-0.022 | O-O.036 | 0-0.058 | O-O.090 | O-O.15 | 0-O.22 |
10～18 | O-O.027 | 0-0.043 | O-O.070 | 0-O.110 | O-0.18 | 0-0.27 |
18～30 | O-O.033 | 0-0.052 | 0-O.084 | 0-0.130 | 0-0.2l | 0-O.33 |
30-50 | 0-0.039 | 0-O.062 | 0-0.100 | O-0.160 | O-O.25 | O-O.39 |
50～80 | 0-O.046 | O-0.074 | O-O.120 | 0-0.190 | O-0.30 | O-0.46 |
表4-7冷拉圆钢、方钢、六角钢的尺寸允许偏差级别适用范围
截面形状 | 圆 钢 | 方 钢 | 六角钢 |
适用级别 | 8、9、10、11、12 | 10、11、12、13 | lO、11、12、13 |
