Bearing Loads for Unistrut Channels
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| Standard 1-5/8" Wide Channel | |||
| Channel |
Bearing Length 1-5/8" (41 mm) Maximum Allowable Load lbs (kN) |
Bearing Length 1-5/8" (41 mm) Maximum Allowable Load lbs(kN) |
Bearing Length 3-1/4" (82 mm) Maximum Allowable Load lbs(kN) |
| P1000 | 6,700 (29.80) | 3,100(13.79) | 7,700(34.25) |
| P1100 | 3,500(15.57) | 1,700(7.56) | 4,000(17.79) |
| P2000 | 2,500(11.12) | 1,200(5.34) | 3,000(13.34) |
| P3000 | 6,700(29.80) | 3,200(14.23) | 7,700(34.25) |
| P3300 | 6,800(30.25) | 3,200(14.23) | 7,800(34.70) |
| P4000 | 2,600(11.57) | 1,200(5.34) | 3,000(13.34) |
| P4100 | 3,500(15.57) | 1,800(8.01) | 4,100(18.24) |
| P4400 | 7,300(32.47) | 3,400(15.12) | 8,400(37.37) |
| P4520 | 7,300(32.47) | 3,400(15.12) | 8,400(37.37) |
| P5000 | 6,500(28.91) | 3,000(13.34) | 7,500(33.36) |
| P5500 | 6,600(29.36) | 3,100(13.79) | 7,600(33.81) |
| 1-1/4" Wide Channel | |||
| Channel |
Bearing Length 1-1/4" (32 mm) Maximum Allowable Load lbs (kN) |
Bearing Length 1-1/4" (32 mm) Maximum Allowable Load lbs (kN) |
Bearing Length 2-1/2" (63.5 mm) Maximum Allowable Load lbs (kN) |
| A1000 | 3,700 (16.46) | 1,700 (7.56) | 4,300 (19.13) |
| A3300 | 3,800 (16.90) | 1,700 (7.56) | 4,300 (19.13) |
| 13/16" Wide Channel | |||
| Channel |
Bearing Length 13/16" (21 mm) Maximum Allowable Load lbs (kN) |
Bearing Length 13/16" (21 mm) Maximum Allowable Load lbs (kN) |
Bearing Length 1-5/8" (41.3 mm) Maximum Allowable Load lbs (kN) |
| P6000 | 1,000 (4.45) | 500 (2.22) | 1,200 (5.34) |
| P7000 | 1,000 (4.45) | 500 (2.22) | 1,200 (5.34) |
Notes:
- Applies to steel channels only.
- Loads are calculated based on 2007 Specification for the Design of Cold Formed Steel Structural Members published by AISI.