Popular Design for 2 Leg Lifting Chains - Grade 100 (G100) lifting chains – Chigong

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Popular Design for 2 Leg Lifting Chains - Grade 100 (G100) lifting chains – Chigong Detail:

Application

Lifting and lashing, loads lifting, loads binding

SCIC Grade 100 (G100) chains for lifting are made as per ASTM A973 / A973M-21 standards, with nickel chromium molybdenum manganese alloy steel per DIN 17115 standards; well designed / monitored welding & heat-treatment ensure chains mechanical properties including test force, breaking force, elongation & hardness.

Figure 1: Grade 100 chain link dimensions

Table 1: Grade 100 (G100) chain dimensions

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 100 (G100) chain mechanical properties

diameter d (mm)	working load limit WLL (t)	manufacturing proof force MPF (kN)	min. breaking force BF (kN)
6	1.4	36	57
7	1.9	48	77
8	2.5	63	101
10	4	98	157
13	6.7	166	265
16	10.3	251	402
18	12.5	318	509
19	14	354	567
20	16	393	628
22	19.4	475	760
23	20	519	831
24	23	566	905
25	25	614	982
26	26.5	664	1060
28	30.5	769	1230
30	35.5	884	1415
32	40.5	1006	1610
36	50	1272	2035
38	56.5	1420	2270
40	62.5	1571	2515
45	81	1988	3180
48	92	2263	3620
50	98	2453	3925
notes: total ultimate elongation at breaking force is min. 25%; 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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