| 详细介绍： (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。
6.优质结构钢冷拉扁钢（YB/T037-1993）
(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
|
7.塑料模具用扁钢（YB／T094--1997）
(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)
| 
放大图片
