Working Load Limit (WLL) - Textile Slings

Calculation of working load limit

Roundslings

Roundsling of polyester can be delivered up to WLL 300 tons. Slings should be protected from edges, friction and abrasion, whether from the load or the lifting appliance.

Lifting angle	Straight	U-type	Chocked	1 leg		2 legs		3-4 legs
				0°-45°	45°-60°	0°-45°	45°-60°	0°-45°	45°-60°
Factor	1	2	0.8	1.4	1	1.4	1	2.1	1.5
Color	Working Load Limit
violet	1.0	2.0	0.8	1.4	1.0	1.4	1.0	2.1	1.5
green	2.0	4.0	1.6	2.8	2.0	2.8	2.0	4.2	3.0
yellow	3.0	6.0	2.4	4.2	3.0	4.2	3.0	6.3	4.5
grey	4.0	8.0	3.2	5.6	4.0	5.6	4.0	8.4	6.0
red	5.0	10.0	4.0	7.0	5.0	7.0	5.0	10.5	7.5
brown	6.0	12.0	4.8	8.4	6.0	8.4	6.0	12.6	9.0
blue	8.0	16.0	6.4	11.2	8.0	11.2	8.0	16.8	12.0
orange	10.0	20.0	8.0	14.0	10.0	14.0	10.0	21.0	15.0
orange	12.0	24.0	9.6	16.8	12.0	16.8	12.0	25.2	18.0
orange	15.0	30.0	12.0	21.0	15.0	21.0	15.0	31.5	22.5
orange	20.0	40.0	16.0	28.0	20.0	28.0	20.0	42.0	30.0

Safety Factor 7:1
LVS EN 1492-2

Webbing Slings

Flat woven, colour coded slings with folded soft eyes. Slings should be protected from edges, friction and abrasion, whether from the load or the lifting appliance.

Lifting angle	Straight	U-type	Chocked	1 leg		2 legs		3-4 legs
				0°-45°	45°-60°	0°-45°	45°-60°	0°-45°	45°-60°
Factor	1	2	0.8	1.4	1	1.4	1	2.1	1.5
Width	Working Load Limit
50 mm	1.0	2.0	0.8	1.4	1.0	1.4	1.0	2.1	1.5
60 mm	2.0	4.0	1.6	2.8	2.0	2.8	2.0	4.2	3.0
90 mm	3.0	6.0	2.4	4.2	3.0	4.2	3.0	6.3	4.5
120 mm	4.0	8.0	3.2	5.6	4.0	5.6	4.0	8.4	6.0
150 mm	5.0	10.0	4.0	7.0	5.0	7.0	5.0	10.5	7.5
180 mm	6.0	12.0	4.8	8.4	6.0	8.4	6.0	12.6	9.0
240 mm	8.0	16.0	6.4	11.2	8.0	11.2	8.0	16.8	12.0
300 mm	10.0	20.0	8.0	14.0	10.0	14.0	10.0	21.0	15.0

Safety Factor 7:1
LVS EN 1492-1