Round steel link chain making for 30+ years

SHANGHAI CHIGONG INDUSTRIAL CO., LTD

(round steel link chain manufacturer)

6 mm-26 mm Black Painted Self Color Blacken Industrial Welded Link Steel Lifting Chain Sling Hoist Chain Crane Chain

Short Description:

Based on SCIC G80 & G100 lifting chain production technology, we well extend our product line to fine tolerance hoist chain Grade T (Types T, DAT & DT), for use in serial chain hoists manual and power driven.


Product Detail

Product Tags

6 mm-26 mm Black Painted Self Color Blacken Industrial Welded Link Steel Lifting Chain Sling Hoist Chain Crane Chain

Category

Lifting and lashing, hoisting chain, short link chain, round link chain lifting, Grade T chain, Grade DAT chain, Grade DT chain, DIN EN 818-7short link chain for lifting purposes, fine tolerance hoist chain, alloy steel chain

Application

Lifting and lashing, loads lifting, loads binding

Figure 1: hoist chain / links

1

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.

 

pn

  

tolerance1)

internal

w3

min.

external

w2

max.

 

l

 

tolerance1)

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 thstandard gauge length.

Table 2: hoist chain working load limit (WLL)

Nominal size dn

mm

Chain type T

t

Chain type DAT

t

Chain type DT

t

4

5

6

0.5

0.8

1.1

0.4

0.63

0.9

0.25

0.4

0.56

7

8

9

1.5

2

2.5

1.2

1.6

2

0.75

1

1.25

10

11

12

3.2

3.8

4.5

2.5

3

3.6

1.6

1.9

2.2

13

14

16

5.3

6

8

4.2

5

6.3

2.6

3

4

18

20

22

10

12.5

15

8

10

12.5

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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