ГОСТ 2591—2006
Продолжение таблицы 1
Номинальная
сторона
квадрата а. мм
Продельное отклонение, мм. при точности прокатки
Площадь
поперечного
сечения. смг
Масса 1 м
длины проката.
К(
Б1Б2"В1В2”
26,0
♦ 0.2
-0 .7
±0.45
+0.3
-0.7
± 0.6
6.760
5.307
27,0
7.290
5.723
28,0
7.840
6.154
29,0
8.410
6.602
30,0
9.000
7.065
32,0
♦0.4
-0.7
10.240
8.038
34,0
11.560
9.075
35,0
12.250
9.616
36.0
± 0.8
12.960
10.174
38,0
14.440
11.335
40,0
16.000
12.560
42,0
17.640
13.847
45,0
♦0.2
-1.0
± 0.60
♦0.4
-1.0
20.250
15.896
46.0
21.160
16.611
48.0
23.040
18.086
50,0
25.000
19.625
52,0
± 1.0
27.040
21,226
55,0
30.250
23,746
58,0
33.640
26.407
60,0
♦0.3
-1,1
± 0.70
+0.5
-1.1
36.000
28.260
63,0
39.690
31.157
65,0
42.250
33.166
70,0
49.000
38.465
75,0
56.250
44.156
80,0
♦0.3
1.3
± 0.80
♦0.5
1.3
64.000
50,240
85.0
72.250
56.716
90,0
81.000
63.585
93,0
± 1.3
86.490
67.895
95,0
90.250
70.846
100,0
♦0.4
-1.7
± 1.05
+0.6
-1.7
100.000
78.500
105.0
±1.5
110.250
86,546
110.0
121.000
94.985
115.0
132.250
103.816
120.0
♦0.6
-2.0
± 1.30
♦0.8
-2.0
144.000
113.040
125.0
±1.8
156.250
122.656
130.0
169.000
132.665
135.0
182.250
143.066
140.0
196.000
153.860
145.0
210.250
165.046
150.0
225.000
176.625
3