professional factory for Wright Chain Hoist - Hoist Chain – Chigong

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"Based on domestic market and expand overseas business" is our development strategy for Boston Link Chain, Manual Chain Hoist, G80 Chain Sling, We give priority to quality and customer pleasure and for this we follow stringent excellent control measures. We've got in-house testing facilities where our items are tested on every single aspect at different processing stages. Owning to latest technologies, we facilitate our clients with custom made creation facility.

professional factory for Wright Chain Hoist - Hoist Chain – Chigong Detail:

Application

Lifting and lashing, loads lifting, loads binding

Figure 1: hoist chain / links

Key

1	Traverse centre line of the link	l	is the multiple pitch length
p	is the pitch	dm	is the material diameter as measured
ds	is the weld diameter	e	is the length dimensionally affected by welding
w3	is the internal width at the weld	w2	is the external width over the weld

Table 1: hoist chain / link dimensions (mm)

Nominal size dn	Material diameter tolerance	Pitch		Width		Gauge length of 11 x pn		Weld diameter ds max.
Nominal size dn	Material diameter tolerance	pn	tolerance1)	internal w3 min.	external w2 max.	l	tolerance1)	Weld diameter ds max.
4	± 0.2	12	0.25	4.8	13.6	132	0.6	4.3
5	± 0.2	15	0.3	6.0	17.0	165	0.8	5.4
6	± 0.2	18	0.35	7.2	20.4	198	1.0	6.5
7	± 0.3	21	0.4	8.4	23.8	231	1.1	7.6
8	± 0.3	24	0.5	9.6	27.2	264	1.3	8.6
9	± 0.4	27	0.5	10.8	30.6	297	1.4	9.7
10	± 0.4	30	0.6	12.0	34.0	330	1.6	10.8
11	± 0.4	33	0.6	13.2	37.4	363	1.7	11.9
12	± 0.5	36	0.7	14.4	40.8	396	1.9	13.0
13	± 0.5	39	0.8	15.6	44.2	429	2.1	14.0
14	± 0.6	42	0.8	16.8	47.6	462	2.2	15.1
16	± 0.6	48	0.9	19.2	54.4	528	2.5	17.3
18	± 0.9	54	1.0	21.6	61.2	594	2.9	19.4
20	± 1.0	60	1.2	24.0	68.0	660	3.2	21.6
22	± 1.1	66	1.3	26.4	74.8	726	3.5	23.8
1) These tolerances are usually divided into + 2/3 and – 1/3 for both the individual link and the standard gauge length.

Table 2: hoist chain working load limit (WLL)

Nominal size dn

Chain type T

Chain type DAT

Chain type DT

0.5

0.8

1.1

0.4

0.63

0.9

0.25

0.4

0.56

1.5

2.5

1.2

1.6

0.75

1.25

3.2

3.8

4.5

2.5

3.6

1.6

1.9

2.2

5.3

4.2

6.3

2.6

12.5

6.3

7.5

mean stress N/mm2

200

160

100

Table 3: hoist chain manufacturing proof forces and breaking forces

Nominal size dn mm	Manufacturing proof force (MPF) kN min.	Breaking force (BF) kN min.
4	12.6	20.1
5	19.6	31.4
6	28.3	45.2
7	38.5	61.6
8	50.3	80.4
9	63.6	102
10	78.5	126
11	95	152
12	113	181
13	133	212
14	154	246
16	201	322
18	254	407
20	314	503
22	380	608

Table 4: total ultimate elongation and surface hardness

	hoist chain types
	T	DAT	DT
Total ultimate elongation A %min	10	10	5
Surface hardness min dn < 7 mm, HV 5 dn = 7 mm to 11 mm, HV 10 dn > 11 mm, HV 10	360 360 360	500 500 450	550 550 500

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We goal to understand excellent disfigurement from the manufacturing and supply the top support to domestic and abroad clients wholeheartedly for professional factory for Wright Chain Hoist - Hoist Chain – Chigong, The product will supply to all over the world, such as: Afghanistan, Jakarta, America, Now, we are trying to enter new markets where we do not have a presence and developing the markets we have the already penetrated. On account of superior quality and competitive price , we will be the market leader, please don’t hesitate to contact us by phone or email, if you are interested in any of our products.

250kg Electric Chain Hoist