2021 High quality Hand Chain Hoist - Hoist Chain – Chigong

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Attaining consumer satisfaction is our firm's purpose for good. We'll make wonderful efforts to produce new and top-quality merchandise, meet up with your special necessities and supply you with pre-sale, on-sale and after-sale products and services for Fishing Chain Round Link, 4 Leg Wire Rope Sling, Grade 8 Lifting Chain, We are willing to give you the best suggestions on the designs of your orders in a professional way if you need. In the meantime, we keep on developing new technologies and creating new designs so as to make you ahead in the line of this business.

2021 High quality Hand 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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By using a full scientific excellent administration method, great quality and fantastic religion, we get good reputation and occupied this discipline for 2021 High quality Hand Chain Hoist - Hoist Chain – Chigong, The product will supply to all over the world, such as: Italy, Guatemala, UK, Our products have mainly exported to south-east Asia Euro-America, and sales to all of our country. And depending on excellent quality, reasonable price, best service, we have got good feedback from customers overseas. You are welcomed to join us for more possibilities and benefits. We welcome customers, business associations and friends from all parts of the world to contact us and seek cooperation for mutual benefits.

1 Ton Electric Chain Hoist