Round Link Welded Mining Chain

Round Link Welded Mining Chain

Chain Material: 20Mn2A, 25MnV, 20MnNiCrMo54
Production standard: DIN22252
Chain grade: Class C and Class B
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Product Introduction

Round Link Welded Mining Chain:

Name:High Tensile Round Link Mining Chain

Material:Alloy Steel

Grade:G100, G80 

Size:10mm - 42mm

Standard:DIN22252, GB/T12718

Color:Self-color, Blackened, Painted, Galvanized

Safety factor: 6-meter long proof load test, 4 times safety factor.

Surface treatment: black oxide, electroplate, black painted, hot dip galvanized etc.


Technical Parameter:

Chain Diameter
mm

Pitch of the
Chain link
mm

Width

Curve Radius
mm

Testing Load
kN

Breaking load
Min

(kN)

Weight
kg/m

Inside
Min.

Outside
Max.

Class B

Class C

Class B

Class C

10

±0.4

40

±0.5

12

34

15

±2.0

85

100

110

130

1.93

14

±0.4

50

±0.5

17

48

22

±2.0

150

200

200

250

4

18

±0.5

64

±0.6

21

60

28

±2,0

260

330

330

410

6.6

22

±0.7

86

±0.9

26

74

34

±2.0

380

490

490

610

9.5

24

±0.8

86

±0.9

28

79

37

±2.0

460

580

580

720

11.6

26

±0.8

92

±0.9

30

86

40

±2.0

540

680

680

850

13.7

30

±0.9

108

±1.0

34

98

46

±2.0

710

900

900

1130

18

34

±0.9

126

±1.0

38

109

52

±2.0

900

1160

1140

1450

22.7


Before using of link chain, we suggest you to…

1. Pay attention to whether the chain mark is clear, if it falls off, it should be replenished in time;

2. Check the chain ring and shackle for cracks, deformation and loose structure and wear;

3. Check whether the swivel is flexible, and timely lubricate the windlass;

4. Operate according to the operating procedures;

5. Check the brakes regularly;

6. Refuel and test before each use;

7. Pay attention to the wear of the gear teeth of the sprocket and the thread of the worm.

Round Link Welded Mining Chain

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