(1)尺寸規(guī)格
冷拉圓鋼、方鋼、六角鋼的尺寸規(guī)格
尺寸 ／mm |
圓 鋼 |
方 鋼 |
六角鋼 |
|||
截面面積 ／mm2 |
理論質(zhì)量 ／(kg／m) |
截面面積 ／mm² |
理論質(zhì)量 ／(kg／m) |
截面面積 ／mm² |
理論質(zhì)量 ／(kg／m) |
|
3.0 |
7.069 |
0.0555 |
9.000 |
0.0706 |
7.794 |
0.0612 |
3.2 |
8.042 |
0.063l |
10.24 |
0.0804 |
8.868 |
0.0696 |
3.5 |
9.621 |
0.0755 |
12.25 |
0.0962 |
10.6l |
0.0833 |
4.0 |
12.57 |
0.0986 |
16.00 |
0.126 |
13.86 |
0.109 |
4.5 |
15.90 |
0.125 |
20.25 |
0.159 |
17.54 |
0.138 |
5.0 |
19.83 |
0.154 |
25.00 |
0.196 |
21.65 |
0.170 |
5.5 |
23.76 |
0.187 |
30.25 |
0.237 |
26.20 |
0.206 |
6.0 |
28.27 |
0.222 |
36.00 |
0.283 |
31.18 |
0.245 |
6.3 |
31.17 |
0.245 |
39.69 |
0.312 |
34.37 |
0.270 |
7.0 |
38.48 |
0.302 |
49.00 |
0.385 |
42.44 |
0.333 |
7.5 |
44.18 |
0.347 |
56.25 |
0.442 |
|
|
8.0 |
50.27 |
0.395 |
64.00 |
0.502 |
55.43 |
0.435 |
8.5 |
56.75 |
0.445 |
72.25 |
0.567 |
|
|
9.0 |
63.62 |
0.499 |
81.00 |
0.636 |
70.15 |
0.55l |
9.5 |
70.88 |
0.556 |
90.25 |
0.708 |
|
|
10.0 |
78.54 |
0.617 |
100.0 |
0.785 |
86.60 |
0.680 |
10.5 |
86.59 |
0.680 |
110.2 |
0.865 |
|
|
11.0 |
95.03 |
0.746 |
121.0 |
0.950 |
104.8 |
0.823 |
11.5 |
103.9 |
0.815 |
132.2 |
1.04 |
|
|
12.0 |
113.1 |
0.888 |
144.0 |
1.13 |
124.7 |
0.979 |
13.0 |
132.7 |
1.04 |
169.0 |
1.33 |
146.4 |
1.15 |
14.0 |
153.9 |
1.21 |
196.0 |
1.54 |
169.7 |
1.33 |
15.0 |
176.7 |
1.39 |
225.0 |
1.77 |
194.9 |
1.53 |
16.0 |
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 |
361.0 |
2.83 |
312.6 |
2.45 |
20.0 |
314.2 |
2.47 |
400.0 |
3.14 |
346.4 |
2.72 |
21.0 |
346.4 |
2.72 |
441.0 |
3.46 |
381.9 |
3.00 |
22.0 |
380.1 |
2.98 |
484.0 |
3.80 |
419.2 |
3.29 |
24.0 |
452.4 |
3.55 |
576.0 |
4.52 |
498.8 |
3.92 |
25.0 |
490.9 |
3.85 |
625.0 |
4.91 |
541.3 |
4.25 |
26.0 |
530.9 |
4.17 |
676.0 |
5.31 |
585.4 |
4.60 |
28.0 |
615.8 |
4.83 |
784.0 |
6.15 |
679.0 |
5.33 |
30.0 |
706.9 |
5.55 |
900.0 |
7.06 |
779.4 |
6.12 |
32.0 |
804.2 |
6.3l |
102.4 |
8.04 |
886-8 |
6.96 |
34.0 |
907.9 |
7.13 |
1156 |
9.07 |
1001 |
7.86 |
35.0 |
962.1 |
7.55 |
1225 |
9.62 |
|
1 |
36.0 |
|
|
|
|
1122 |
8.81 |
38.0 |
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 |
12.0 1 |
45.0 |
1590 |
12.5 |
2025 |
15.9 |
1754 |
13.8 |
48.0 |
1810 |
14.2 |
2304 |
18.1 |
19915 |
15.7 |
50.0 |
1968 |
15.4 |
2500 |
19.6 |
2165 |
17.0 |
52.0 |
2206 |
17.3 |
2809 |
22.0 |
2433 |
19.1 |
55.0 |
|
|
|
|
2620 |
20.5 |
56.0 |
2463 |
19.3 |
3136 |
24.6 |
|
|
60.0 |
2827 |
22.2 |
3600 |
28.3 |
3118 |
24.5 |
63.0 |
3117 |
24.5 |
3969 |
31.2 |
|
|
65.0 |
|
|
|
|
3654 |
28.7 |
67.0 |
3526 |
27.7 |
4489 |
35.2 |
|
|
70.0 |
3848 |
30.2 |
4900 |
38.5 |
4244 |
33.1 |
75.0 |
4418 |
34.7 |
5625 |
44.2 |
4871 |
38.2 |
80.0 |
5027 |
39.5 |
6400 |
50.2 |
5543 |
43.5 |
注：1.表內(nèi)尺寸-欄，對(duì)圓鋼表示直徑，對(duì)方鋼表示邊長(zhǎng)，對(duì)六角鋼表示對(duì)邊距離。以下各表相同。
2.表中理論質(zhì)量按密度為7.85g／cm3計(jì)算。對(duì)高合金鋼計(jì)算理淪質(zhì)量時(shí)應(yīng)采用相應(yīng)牌號(hào)的密度。
(2)允許偏差
冷拉圓鋼、方鋼、六角鋼的尺寸允許偏差 (mm)
尺寸 |
允許偏差級(jí)別 |
|||||
8 h8 |
9 h9 |
10 H10 |
11 H11 |
12 h12 |
13 h13 |
|
允許偏差 |
||||||
3 |
0-0.014 |
0-0.025 |
0-0.040 |
0-0.060 |
0-0.15 |
0-0.14 |
>3-6 |
0-0.018 |
0-0.030 |
0-0.048 |
0-0.075 |
0-0.12 |
0-0.18 |
>6-10 |
0-0.022 |
0-0.036 |
0-0.058 |
0-0.090 |
0-0.15 |
0-0.22 |
10-18 |
0-0.027 |
0-0.043 |
0-0.070 |
0-0.110 |
0-0.18 |
0-0.27 |
18-30 |
0-0.033 |
0-0.052 |
0-0.084 |
0-0.130 |
0-0.21 |
0-0.33 |
30-50 |
0-0.039 |
0-0.062 |
0-0.100 |
0-0.160 |
0-0.25 |
0-0.39 |
50-80 |
0-0.046 |
0-0.074 |
0-0.120 |
0-0.190 |
0-0.30 |
0-0.46 |
冷拉圓鋼、方鋼、六角鋼的尺寸允許偏差級(jí)別適用范圍
截面形狀 |
圓 鋼 |
方 鋼 |
六角鋼 |
適用級(jí)別 |
8、9、10、11、12 |
10、11、12、13 |
l0、11、12、13 |
