Simple ladder [PDF] of the podłużnicą made of flat iron 40x4 or 40x5.
Can be made of steel, alloy steel, stainless [SN] or with aluminum sheet [AL],
in two options:
-microperforation along the Stringer: " in ".
-without perforation of Stringer: " n ".
Example: PDFw 300-ladder a simple bilateral (w 300) with perforation Stringer.
Table 1. Mass PDF ladders made of steel sheet.
Dimension (A) |
Approximate weight [kg] |
|||
PDFn 40x4 |
PDFw 40x4 |
PDFn 40x5 |
PDFw 40x5 |
|
100 |
4.80 |
4,20 | 5,76 | 5,76 |
150 |
5,30 |
candelabra | 6,38 | 6.10 |
200 |
6.00 |
5,40 | 6.76 | 6,62 |
250 |
6,40 |
5,80 | 7,66 | 7,35 |
300 |
6.90 |
6,30 | 8,34 | 8,03 |
350 |
7.10 |
6.50 | 9.03 | 8.71 |
400 |
7.50 |
6.90 | 9,68 | 9.36 |
500 |
8,20 |
7,60 | 11.04 | 10.73 |
600 |
9,10 | 8.50 | 12.38 | 12,07 |
700 |
10,60 | 10.00 | 13,74 | 13,43 |
800 |
11.70 | 11.10 | 15,08 | 14,77 |
900 |
13.00 | 12,40 | 16,45 | 16,13 |