(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)