무제 문서
무제 문서
Stair treads were so designed
and manufactured as to be strong and nonslip for safe usage
and good economy. Installations are 2 Types(WELDING TYPE and
BOLTING TYPE)
Pitch of Bolt (UNT:mm)
width(W)
pitch(P)
width(W)
pitch(P)
213
120
215
120
243
150
245
150
273
180
275
180
STANDARD DIMENSION
AND WEIGHTS
By Bolting
By Welding (Unit:kg)
Type
Berring Bar
Width
500
550
600
650
700
750
800
850
900
950
1000
1100
1200
F 525
F 25x5
215
6.2
6.6
7.1
7.6
8.1
8.6
9.1
9.5
10.0
10.5
11.0
12.0
12.9
5.3
5.7
6.2
6.7
7.2
7.7
8.2
8.6
9.1
9.6
10.1
11.1
12.1
245
6.9
7.4
8.0
8.5
9.0
9.5
10.1
10.6
11.2
11.7
12.3
13.3
14.4
5.9
6.4
6.9
7.4
8.0
8.5
9.1
9.6
10.2
10.7
11.2
12.3
13.4
275
7.6
8.1
8.8
9.3
10.0
10.5
11.1
11.7
12.3
12.9
13.5
14.7
15.9
6.5
7.0
7.6
8.2
8.8
9.4
10.0
10.6
11.2
11.7
12.4
13.5
14.7
F 532
F 32x5
215
7.3
7.8
8.5
9.0
9.6
10.2
10.8
11.4
12.0
12.6
13.2
14.4
15.6
6.5
7.1
7.7
8.2
9.2
9.4
10.1
10.6
11.2
11.8
12.4
13.6
14.8
245
8.1
8.7
9.4
10.1
10.8
11.4
12.1
12.7
13.4
14.0
14.7
16.1
17.4
7.2
7.9
8.6
9.2
9.9
10.5
11.2
11.8
12.5
13.2
13.8
15.2
16.5
275
9.0
9.7
10.4
11.1
11.9
12.6
13.3
14.0
14.8
15.5
16.3
17.7
19.2
8.0
8.7
9.4
10.1
10.9
11.6
12.4
13.0
13.8
14.5
15.3
16.7
18.2
I 525
I 25x5x3
215
5.4
5.7
6.2
6.6
7.0
7.4
7.8
8.2
8.6
9.0
9.4
10.2
11.0
4.5
4.9
5.3
5.7
6.1
6.5
6.9
7.3
7.7
8.1
8.5
9.3
10.2
245
6.0
6.4
6.9
7.3
7.8
8.2
8.7
9.1
9.6
10.0
10.5
11.4
12.3
5.0
5.4
5.9
6.3
6.8
7.2
7.7
8.1
8.6
9.0
9.5
10.4
11.3
275
6.6
7.1
7.6
8.0
8.6
9.0
9.6
10.0
10.5
11.0
11.5
12.5
13.5
5.5
5.9
6.4
6.9
7.4
7.9
8.4
8.9
9.4
9.9
10.4
11.4
12.4
I 532
I 32x5x3
215
6.2
6.6
7.1
7.6
8.1
8.5
9.1
9.5
10.0
10.5
11.0
12.0
12.9
5.4
5.8
6.3
6.8
7.3
7.8
8.3
8.7
9.2
9.7
10.2
11.2
12.1
245
6.9
7.4
7.9
8.4
9.0
9.5
10.1
10.6
11.2
11.7
12.2
13.3
14.4
6.0
6.5
7.1
7.6
8.1
8.6
9.2
9.7
10.3
10.8
11.3
12.4
13.5
275
7.6
8.1
8.8
9.3
9.9
10.5
11.1
11.7
12.3
12.8
13.5
14.7
15.8
6.6
7.1
7.8
8.3
8.9
9.5
10.1
10.7
11.3
11.9
12.5
13.7
14.8
