Special Design for 4 Leg Lifting Chains - Grade 80 (G80) lifting chains – Chigong

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Special Design for 4 Leg Lifting Chains - Grade 80 (G80) lifting chains – Chigong Detail:

Application

Lifting and lashing, loads lifting, loads binding

Figure 1: Grade 80 chain link dimensions

Table 1: Grade 80 (G80) chain dimensions, EN 818-2

diameter		pitch		width		unit weight (kg/m)
nominal d (mm)	tolerance (mm)	p (mm)	tolerance (mm)	inner W1 min. (mm)	outer W2 max. (mm)	unit weight (kg/m)
6	± 0.24	18	± 0.5	7.8	22.2	0.8
7	± 0.28	21	± 0.6	9.1	25.9	1.1
8	± 0.32	24	± 0.7	10.4	29.6	1.4
10	± 0.4	30	± 0.9	13	37	2.2
13	± 0.52	39	± 1.2	16.9	48.1	4.1
16	± 0.64	48	± 1.4	20.8	59.2	6.2
18	± 0.9	54	± 1.6	23.4	66.6	8
19	± 1	57	± 1.7	24.7	70.3	9
20	± 1	60	± 1.8	26	74	9.9
22	± 1.1	66	± 2.0	28.6	81.4	12
23	± 1.2	69	± 2.1	29.9	85.1	13.1
24	± 1.2	72	± 2.1	30	84	14.5
25	± 1.3	75	± 2.2	32.5	92.5	15.6
26	± 1.3	78	± 2.3	33.8	96.2	16.8
28	± 1.4	84	± 2.5	36.4	104	19.5
30	± 1.5	90	± 2.7	37.5	105	22.1
32	± 1.6	96	± 2.9	41.6	118	25.4
36	± 1.8	108	± 3.2	46.8	133	32.1
38	± 1.9	114	± 3.4	49.4	140.6	35.8
40	± 2	120	± 4.0	52	148	39.7
45	± 2.3	135	± 4.0	58.5	167	52.2
48	± 2.4	144	± 4.3	62.4	177.6	57.2
50	± 2.6	150	± 4.5	65	185	62

Table 2: Grade 80 (G80) chain mechanical properties, EN 818-2

diameter d (mm)	working load limit WLL (t)	manufacturing proof force MPF (kN)	min. breaking force BF (kN)
6	1.12	28.3	45.2
7	1.5	38.5	61.6
8	2	50.3	80.4
10	3.15	78.5	126
13	5.3	133	212
16	8	201	322
18	10	254	407
19	11.2	284	454
20	12.5	314	503
22	15	380	608
23	16	415	665
24	18	452	723
25	20	491	785
26	21.2	531	850
28	25	616	985
30	28	706	1130
32	31.5	804	1290
36	40	1020	1630
38	45	1130	1810
40	50	1260	2010
45	63	1590	2540
48	72	1800	2890
50	78.5	1963	3140
notes: total ultimate elongation at breaking force is min. 20%; WLL shall not exceed 25% of breaking force.

changes of Working Load Limit in relation to temperature
Temperature (°C)	WLL %
-40 to 200	100%
200 to 300	90%
300 to 400	75%
over 400	unacceptable

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With our excellent management, strong technical capability and strict quality control system, we continue to provide our clients with reliable quality, reasonable prices and excellent services. We aim at becoming one of your most reliable partners and earning your satisfaction for Special Design for 4 Leg Lifting Chains - Grade 80 (G80) lifting chains – Chigong, The product will supply to all over the world, such as: South Korea, Sri Lanka, Poland, We have 48 provincial agencies in the country. We also have stable cooperation with several international trading companies. They place order with us and export products to other countries. We expect to cooperate with you to develop a larger market.

Chain Lifting Mechanism