(1)尺寸规格
热轧扁钢的尺寸规格(1)
宽度/mm |
厚 度 /mm |
||||||||||||||||||||||||
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
14 |
16 |
18 |
20 |
22 |
25 |
28 |
30 |
32 |
36 |
38 |
45 |
50 |
56 |
60 |
|
理论质量/(kg/m)(密度7.85g/m3) |
|||||||||||||||||||||||||
10 |
0.24 |
0.31 |
0.39 |
0.47 |
0.55 |
0.63 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
12 |
0.28 |
0.38 |
0.47 |
0.57 |
0.66 |
0.75 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
14 |
0.33 |
0.44 |
0.55 |
0.66 |
0.77 |
0.88 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
16 |
0.38 |
0.50 |
0.63 |
0.75 |
0.88 |
1.00 |
1.15 |
1.26 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
18 |
0.42 |
0.57 |
0.71 |
0.85 |
0.99 |
1.13 |
1.27 |
1.41 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
20 |
0.47 |
0.63 |
0.78 |
0.94 |
1.10 |
1.26 |
1.41 |
1.57 |
1.73 |
1.88 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
22 |
0.52 |
0.69 |
0.86 |
1.04 |
1.21 |
1.38 |
1.55 |
1.73 |
1.90 |
2.07 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
25 |
0.59 |
0.78 |
0.98 |
1.18 |
1.37 |
1.57 |
1.77 |
1.96 |
2.16 |
2.36 |
2.75 |
3.14 |
|
|
|
|
|
|
|
|
|
|
|
|
|
28 |
0.66 |
0.88 |
1.10 |
1.32 |
1.54 |
1.76 |
1.98 |
2.20 |
2.42 |
2.64 |
3.08 |
3.53 |
|
|
|
|
|
|
|
|
|
|
|
|
|
30 |
0.71 |
0.94 |
1.18 |
1.41 |
1.65 |
1.88 |
2.12 |
2.36 |
2.59 |
2.83 |
3.30 |
3.77 |
4.24 |
4.71 |
|
|
|
|
|
|
|
|
|
|
|
32 |
0.75 |
1.00 |
1.26 |
1.51 |
1.76 |
2.01 |
2.26 |
2.55 |
2.76 |
3.01 |
3.52 |
4.02 |
4.52 |
5.02 |
|
|
|
|
|
|
|
|
|
|
|
35 |
0.82 |
1.10 |
1.37 |
1.65 |
1.92 |
2.20 |
2.47 |
2.75 |
3.02 |
3.30 |
3.85 |
4.40 |
4.95 |
5.50 |
6.04 |
6.87 |
7.69 |
|
|
|
|
|
|
|
|
40 |
0.94 |
1.26 |
1.57 |
1.88 |
2.20 |
2.51 |
2.83 |
3.14 |
3.45 |
3.77 |
4.40 |
5.02 |
5.65 |
6.28 |
6.91 |
7.85 |
8.79 |
|
|
|
|
|
|
|
|
45 |
1.06 |
1.41 |
1.77 |
2.12 |
2.47 |
2.83 |
3.18 |
3.53 |
3.89 |
4.24 |
4.95 |
5.65 |
6.36 |
7.07 |
7.77 |
8.83 |
9.89 |
10.60 |
11.30 |
12.72 |
|
|
|
|
|
50 |
1.18 |
1.57 |
1.96 |
2.36 |
2.75 |
3.14 |
3.53 |
3.93 |
4.32 |
4.71 |
5.50 |
6.28 |
7.06 |
7.85 |
8.64 |
9-81 |
10.99 |
11.78 |
12.56 |
14.13 |
|
|
|
|
|
热轧扁钢的尺寸规格(2)
宽度/mm |
厚 度/mm |
||||||||||||||||||||||||
3 |
4 |
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
14 |
16 |
18 |
20 |
22 |
25 |
28 |
30 |
32 |
36 |
38 |
45 |
50 |
56 |
60 |
|
理论质量/(kg/m)(密度7.85g/m3) |
|||||||||||||||||||||||||
10 |
0.24 |
0.31 |
0.39 |
0.47 |
0.55 |
0.63 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
55 |
|
1.73 |
2.16 |
2.59 |
3.02 |
3.45 |
3.89 |
4.32 |
4.75 |
5.18 |
6.04 |
6.91 |
7.77 |
8.64 |
9.50 |
10.79 |
12.09 |
12.95 |
13.82 |
15.54 |
|
|
|
|
|
60 |
|
1.88 |
2.36 |
2.83 |
3.30 |
3.77 |
4.24 |
4.71 |
5.18 |
5.65 |
6.59 |
7.54 |
8.48 |
9.42 |
10.36 |
11.78 |
13.19 |
14.13 |
15.a7 |
16.96 |
18.84 |
21.20 |
|
|
|
65 |
|
2.04 |
2.55 |
3.06 |
3.57 |
4.08 |
4.59 |
5.10 |
5.61 |
6.12 |
7.14 |
8.16 |
9.18 |
10.20 |
11.23 |
12.76 |
14.29 |
15.31 |
16.33 |
18.37 |
20.41 |
22.96 |
|
|
|
70 |
|
2.20 |
2.75 |
3.30 |
3.85 |
4.40 |
4.95 |
5.50 |
6.04 |
6.59 |
7.69 |
8.79 |
9.89 |
10.99 |
12.09 |
13.74 |
15.39 |
16.49 |
17.58 |
19.78 |
21.98 |
24.73 |
|
|
|
75 |
|
2.36 |
2.94 |
3.53 |
4.12 |
4.71 |
5.30 |
5.89 |
6.48 |
7.07 |
8.24 |
9.42 |
10.60 |
11.78 |
12.95 |
14.72 |
16.48 |
17.66 |
18.84 |
21.20 |
23.55 |
26.49 |
|
|
|
80 |
|
2.51 |
3.14 |
3.77 |
4.40 |
5.02 |
5.65 |
6.28 |
6.91 |
7.54 |
8.79 |
10.05 |
11.30 |
12.56 |
13.82 |
15.70 |
17.58 |
18.84 |
20.10 |
22.61 |
25.12 |
28.26 |
31.40 |
35.17 |
|
85 |
|
|
3.34 |
4.00 |
4.67 |
5.34 |
6.01 |
6.67 |
7.34 |
8.01 |
9.34 |
10.68 |
12.01 |
13.34 |
14.68 |
16.68 |
18.68 |
20.02 |
21.35 |
24.02 |
26.69 |
30.03 |
33.36 |
37.37 |
40.04 |
90 |
|
|
3.53 |
4.24 |
4.95 |
5.65 |
6.36 |
7.07 |
7,77 |
848 |
9.89 |
11.30 |
12.72 |
14.13 |
15.54 |
17.66 |
19.78 |
21.20 |
22.61 |
25.43 |
28.26 |
31.79 |
35.32 |
39.56 |
42.39 |
95 |
|
|
3.73 |
4.47 |
5.52 |
5.97 |
6.71 |
7.46 |
8.20 |
8.95 |
10.44 |
11.93 |
13.42 |
14.92 |
16.41 |
18.64 |
20.88 |
22.37 |
23.86 |
26.85 |
29.83 |
33.56 |
37.29 |
41.76 |
44.74 |
100 |
|
|
3.92 |
4.71 |
5.50 |
6.28 |
7.06 |
7.85 |
8.64 |
9.42 |
10.99 |
12.56 |
14.13 |
15.70 |
17.27 |
19.62 |
21.98 |
23.55 |
25.12 |
28.26 |
31.40 |
35.32 |
39.25 |
43.96 |
47.10 |
105 |
|
|
4.12 |
4.71 |
5.77 |
6.59 |
7.42 |
8.24 |
9.07 |
9.89 |
11.54 |
13.19 |
14.84 |
16.48 |
18.13 |
20.61 |
23.08 |
24.73 |
26.38 |
29.67 |
32.97 |
37.09 |
41.21 |
46.16 |
49.46 |
110 |
|
|
4.32 |
5.18 |
6.04 |
6.91 |
7.77 |
8.64 |
9.50 |
10.36 |
12.09 |
13.82 |
15.54 |
17.27 |
19.00 |
21.59 |
24.18 |
25.90 |
27.63 |
31.09 |
34.54 |
38.86 |
43.18 |
48.36 |
51.81 |
120 |
|
|
4.71 |
5.65 |
6.59 |
7.54 |
8.48 |
9.42 |
10.36 |
11.30 |
13.19 |
15.07 |
16.96 |
18.84 |
20.72 |
23.55 |
26.38 |
28.26 |
30.14 |
33.91 |
37.68 |
42.39 |
47.10 |
52.75 |
56.52 |
125 |
|
|
|
5.89 |
6.87 |
7.85 |
8.83 |
9.81 |
10.79 |
11.78 |
13.74 |
15.70 |
17.66 |
19.63 |
21.59 |
24.53 |
27.48 |
29.44 |
31.40 |
35.32 |
39.25 |
44.16 |
49.06 |
54.95 |
58.88 |
130 |
|
|
|
6.12 |
7.14 |
8.16 |
9.18 |
10.20 |
11.23 |
12.25 |
14.29 |
16.33 |
18.37 |
20.41 |
22.45 |
25.51 |
28.57 |
30.62 |
32.66 |
36.74 |
40.82 |
45.92 |
51.02 |
57.15 |
61.23 |
140 |
|
|
|
|
7.69 |
8.79 |
9.89 |
10.99 |
12.09 |
13.19 |
15.39 |
17.58 |
19.78 |
21.98 |
24.18 |
27.48 |
30.77 |
32.97 |
35.17 |
39.56 |
44.96 |
49.46 |
54.95 |
61.54 |
65.94 |
150 |
|
|
|
|
8.24 |
9.42 |
10.60 |
11.78 |
12.95 |
14.13 |
16.48 |
18.84 |
21.20 |
23.55 |
25.90 |
29.44 |
32.97 |
35.32 |
37.68 |
42.39 |
47.10 |
52.99 |
58.88 |
65.94 |
70.65 |
注:1.表中的粗线用以划分扁钢的组别:第1组-理论质量≤19kg/m;第2组-理论质量>19kg/m。
2.扁钢的通常长度(非定尺的):普通钢第1组-长3-9m;第2组-长3-7m;②优质钢2-6m。
3.热轧扁钢常用钢号为:Q235-A、20、45、16Mn,其化学成分、力学性能应符合相应标准中的规定
(2)允许偏差
扁钢的允许偏差
宽 度/mm |
厚 度/mm |
长 度 |
|||||
尺寸 |
允许偏差 |
尺寸 |
允许偏差 |
尺寸/m |
允许偏差/m |
||
普通级 |
较高级 |
普通级 |
较高级 |
||||
10~50 |
+0.5 -1.0 +0.6 |
+0.3 -0.9 +0.4 |
3~16 |
+0.3 -0.5 |
+0.2 -0.4 |
≤4 |
+300 |
>50~75 |
-1.3 |
-1.2 |
>4~6 |
+500 |
|||
>75~100 |
+0.9 -1.8 |
+0.7 -1.7 |
>16 ~60 |
+1.5% -3.0% |
+1.0% -2.5% |
||
>100~200 |
+1.0 -2.0% |
+0.8 -1.8% |
≥6 |
+700 |
注:在同-截面任意两点测量的厚度差不得大干厚度公差的一半。
(1)尺寸规格
扁钢的尺寸规格及理论重量(1)
扁钢宽度 /mm |
理论质量/(kg/m) |
||||||||||||||
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
14 |
15 |
16 |
18 |
20 |
25 |
30 |
|
8 |
0.31 |
0.38 |
0.44 |
|
|
|
|
|
|
|
|
|
|
|
|
10 |
0.39 |
0.47 |
0.55 |
0.63 |
0.71 |
|
|
|
|
|
|
|
|
|
|
12 |
0.47 |
0.55 |
0.66 |
0.75 |
0.85 |
0.94 |
1.04 |
|
|
|
|
|
|
|
|
13 |
0.51 |
0.61 |
0.71 |
0.82 |
0.92 |
1.02 |
1.12 |
|
|
|
|
|
|
|
|
14 |
0.55 |
0.66 |
0.77 |
0.88 |
0.99 |
1.10 |
1.21 |
1.32 |
|
|
|
|
|
|
|
15 |
0.59 |
0.71 |
0.82 |
0.94 |
1.06 |
1.18 |
1.29 |
1.41 |
|
|
|
|
|
|
|
16 |
0.63 |
0.75 |
0.88 |
1.00 |
1.13 |
1.26 |
1.38 |
1.51 |
1.76 |
|
|
|
|
|
|
18 |
0.71 |
0.85 |
0.99 |
1.13 |
1.27 |
1.41 |
1.55 |
1.70 |
1.96 |
2.12 |
2.26 |
|
|
|
|
20 |
0.78 |
0.94 |
1.10 |
1.26 |
1.41 |
1.57 |
1.73 |
1.88 |
2.28 |
2.36 |
2.51 |
2.63 |
|
|
|
22 |
0.86 |
1.04 |
1.21 |
1.38 |
1.55 |
1.73 |
1.90 |
2.07 |
2.42 |
2.69 |
2.76 |
3.11 |
3.45 |
|
|
24 |
0.94 |
1.13 |
1.32 |
1.51 |
1.69 |
1.88 |
2.07 |
2.26 |
2.64 |
2.83 |
3.01 |
3.39 |
3.77 |
|
|
25 |
0.98 |
1.18 |
1.37 |
1.57 |
1.77 |
1.96 |
2.16 |
2.36 |
2.75 |
2.94 |
3.14 |
3.53 |
3.92 |
|
|
28 |
1.10 |
1.32 |
1.54 |
1.76 |
1.98 |
2.20 |
2.42 |
2.64 |
3.08 |
3.28 |
3.52 |
3.96 |
4.40 |
5.49 |
|
30 |
1.18 |
1.41 |
1.65 |
1.88 |
2.12 |
2.36 |
2.59 |
2.83 |
3.30 |
3.53 |
3.77 |
4.24 |
4.71 |
5.89 |
|
32 |
|
1.51 |
1.76 |
2.01 |
2.26 |
2.51 |
2.76 |
3.01 |
3.52 |
3.77 |
4.02 |
5.02 |
5.02 |
6.28 |
7.54 |
35 |
|
1.65 |
1.92 |
2.19 |
2.47 |
2.75 |
3.02 |
3.29 |
3.85 |
4.12 |
4.39 |
4.95 |
5.49 |
6.87 |
8.24 |
36 |
|
1.70 |
1.98 |
2.26 |
2.54 |
2.83 |
3.11 |
3.39 |
3.96 |
4.24 |
4.52 |
5.09 |
5.65 |
7.06 |
8.48 |
38 |
|
|
2.09 |
2.39 |
2.68 |
2.98 |
3.28 |
3.58 |
4.18 |
4.47 |
4.77 |
5.37 |
5.97 |
7.46 |
8.95 |
40 |
|
|
2.20 |
2.51 |
2.83 |
3.14 |
3.45 |
3.77 |
4.40 |
4.71 |
5.02 |
5.65 |
6.20 |
7.85 |
9.42 |
45 |
|
|
|
2.83 |
3.18 |
3.53 |
3.89 |
4.24 |
4.95 |
5.29 |
5.65 |
6.36 |
7.06 |
8.83 |
10.60 |
扁钢的尺寸规格及理论重量(2)
扁钢宽度 /mm |
理论质量/(kg/m) |
||||||||||||||
5 |
6 |
7 |
8 |
9 |
10 |
11 |
12 |
14 |
15 |
16 |
18 |
20 |
25 |
30 |
|
25 |
0.98 |
1.18 |
1.37 |
1.57 |
1.77 |
1.96 |
2.16 |
2.36 |
2.75 |
2.94 |
3.14 |
3.53 |
3.92 |
|
|
28 |
1.10 |
1.32 |
1.54 |
1.76 |
1.98 |
2.20 |
2.42 |
2.64 |
3.08 |
3.28 |
3.52 |
3.96 |
4.40 |
5.49 |
|
30 |
1.18 |
1.41 |
1.65 |
1.88 |
2.12 |
2.36 |
2.59 |
2.83 |
3.30 |
3.53 |
3.77 |
4.24 |
4.71 |
5.89 |
|
32 |
|
1.51 |
1.76 |
2.01 |
2.26 |
2.51 |
2.76 |
3.01 |
3.52 |
3.77 |
4.02 |
5.02 |
5.02 |
6.28 |
7.54 |
35 |
|
1.65 |
1.92 |
2.19 |
2.47 |
2.75 |
3.02 |
3.29 |
3.85 |
4.12 |
4.39 |
4.95 |
5.49 |
6.87 |
8.24 |
36 |
|
1.70 |
1.98 |
2.26 |
2.54 |
2.83 |
3.11 |
3.39 |
3.96 |
4.24 |
4.52 |
5.09 |
5.65 |
7.06 |
8.48 |
38 |
|
|
2.09 |
2.39 |
2.68 |
2.98 |
3.28 |
3.58 |
4.18 |
4.47 |
4.77 |
5.37 |
5.97 |
7.46 |
8.95 |
40 |
|
|
2.20 |
2.51 |
2.83 |
3.14 |
3.45 |
3.77 |
4.40 |
4.71 |
5.02 |
5.65 |
6.20 |
7.85 |
9.42 |
45 |
|
|
|
2.83 |
3.18 |
3.53 |
3.89 |
4.24 |
4.95 |
5.29 |
5.65 |
6.36 |
7.06 |
8.83 |
10.60 |
50 |
|
|
|
|
3.53 |
3.92 |
4.32 |
4.71 |
5.50 |
5.89 |
6.28 |
7.06 |
7.85 |
9.81 |
11.78 |
注:表中的理论质量是按相对密度为7.85g/cm³计算的。
(2)允许偏差
扁钢的允许偏差 (mm)
扁钢厚度及宽度 |
允许偏差级别 |
||
10(h10) |
11(h11) |
12(h12) |
|
允许偏差 |
|||
≤6 |
0 0.048 |
0 -0.075 |
0 -0.12 |
>6-10 |
0 -0.058 |
0 -0.090 |
0 -0.15 |
>10-18 |
0 -0.070 |
0 -0.110 |
0 -0.18 |
>18-30 |
0 -0.084 |
0 -0.130 |
0 -0.21 |
>30-50 |
0 -0.100 |
0 -0.160 |
0 -0.25 |
(1)尺寸规格
塑料模具用扁钢的尺寸规格
宽度/mm |
厚 度/mm |
||||||||||
25 |
30 |
37 |
40 |
45 |
55 |
68 |
75 |
85 |
95 |
105 |
|
理论质量/(kg/m) |
|||||||||||
170 |
33.36 |
40.04 |
49.38 |
53.38 |
60.05 |
73.40 |
90.75 |
100.09 |
113.43 |
126.78 |
140.12 |
190 |
37.28 |
44.75 |
55.19 |
59.66 |
67.12 |
82.03 |
101.42 |
111.86 |
126.78 |
141.69 |
156.60 |
210 |
41.21 |
49.46 |
60.99 |
65.94 |
74.18 |
90.67 |
112.10 |
123.64 |
140.12 |
156.61 |
173.09 |
230 |
45.14 |
54.17 |
66.80 |
72.22 |
81.25 |
99.30 |
122.77 |
135.41 |
153.47 |
171.52 |
189.58 |
260 |
51.03 |
61.23 |
75.52 |
81.64 |
91.85 |
112.26 |
138.79 |
153.08 |
173.49 |
193.89 |
214.31 |
280 |
54.95 |
65.94 |
81.33 |
87.92 |
98.91 |
120.89 |
149.46 |
164.85 |
186.83 |
208.81 |
230.79 |
300 |
58.88 |
70.65 |
87.14 |
94.20 |
105.98 |
129.53 |
160.14 |
176.63 |
200.18 |
223.72 |
247.28 |
325 |
63.78 |
76.54 |
94.40 |
102.05 |
114.81 |
140.32 |
173.49 |
191.34 |
216.86 |
242.37 |
267.88 |
365 |
71.63 |
85.96 |
106.01 |
114.61 |
128.94 |
157.59 |
194.84 |
214.89 |
243.55 |
272.20 |
300.85 |
390 |
76.54 |
91.85 |
113.28 |
122.46 |
137.77 |
168.38 |
208.18 |
229.61 |
260.23 |
290.84 |
321.46 |
410 |
80.46 |
96.56 |
U9.08 |
128.74 |
144.83 |
177.02 |
218.86 |
241.39 |
272.57 |
305.76 |
337.94 |
注:1.表中理论质量按密度为7.85g/cm3计算。
2.扁钢的通常长度为2-6m。
(2)允许偏差
塑料模具用扁钢的允许偏差 (mm)
轧制扁钢 |
锻制扁钢 |
||||||
宽 度 |
厚 度 |
宽 度 |
厚 度 |
||||
尺 寸 |
允许偏差 |
尺寸 |
允许偏差 |
尺寸 |
允许偏差 |
尺寸 |
允许偏差 |
170-410 |
±2% (最大值不 超过±6) |
25-55 |
±1.2 |
170-210 |
±5 |
≤65 |
±2.5 |
>55-85 |
±1.5 |
>210- 410 |
协议 |
>65-105 |
协议 |
||
>85-105 |
±2.5 |
注:根据需方要求可供应全正偏差钢材,其偏差值为正负偏差绝对值之和。
扁钢截面形状不正的最大允许值(c值) (mm)