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Antiskid Ladder rungs

short description:

-Product: Antiskid ladder rungs

-Modle: HJS-04

-Materials: carbon steel, stainless steel, aluminum5052, galvanized

-Specification: 2 rows, 3rows and 4 rows.

-Size: 60” or 48.75”

-Type:  walkway, stair treads

-Customized and free sample is workable


Product Detail

Product Tags

  • Antiskid stair ladder also named ladder rungs, usually it has three typs:

two holes ladder rung, three holes ladder rungs and four holes ladder rungs.

 

Common data is as following

 

Common size: 48-3/4’’, 60 lengths

Pre-galvanized or HRP&O steel, 13 and 11 gauge

.125’’ aluminum

16 gauge 304 SS

Allowable safe load shown are concentrated at center of span on simple beam

2 holes ladder rungs

 

material safe allowable concentrated load(lb.) weight lb./ln.ft
16”span 18”span 20”span 24”span
11ga steel 664 590 531 443 1.5
13ga steel 508 451 401 338 1.1
.125” aluminum 471 418 377 314 0.5
16ga stainless steel 345 306 276 230 0.8

3holes ladder rungs

 

material safe allowable concentrated load(lb.) weight lb./ln.ft
16”span 18”span 20”span 24”span
11ga steel 474 422 379 316 1.2
13ga steel 375 334 300 250 0.9
.125 aluminum 337 299 263 224 0.5
16ga stainless steel 260 231 208 * 0.7

4 holes ladder rungs

material safe allowable concentrated load(lb.) weight lb./ln.ft
16”span 18”span 20”span 24”span
11ga steel 1138 1012 911 759 1.9
13ga 862 766 689 574 1.4
.125alumium 810 720 649 540 0.7
16ga steel 580 516 464 387 1..1

Notes: These loads are based on simple beam calculation

The minimum safety factor=1.67

Maximum deflection does not exceed L/240


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