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Slag dragging chain


Used in power plant slag removal machines, the slag extraction chain has two series of T-level and E-level, with multiple grades, suitable for high anti-wear, high wear-resistant working conditions and high anti-wear and high-strength working environment requirements. DIN22252, DIN764, GB/T12718 and other standards.

Category

Wear-resisting round link chains and slag dragging chain

Product Details

According to GB12718, DIN22252 standards and related industry standards.

use

Used in power plant slag removal machines, the slag extraction chain has two series of T-level and E-level, with multiple grades, suitable for high anti-wear, high wear-resistant working conditions and high anti-wear and high-strength working environment requirements. DIN22252, DIN764, GB/T12718 and other standards.

Technical characteristics

Breakdown distribution of T and E slag chains

There are differences in the operating conditions of the slag chain in actual use. We provide two different types of slag chains based on T-grade and E-grade. The hardness distribution has different differences. Under various working conditions, chains with different technical conditions should be selected.

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Because the slag chain produced by Gelin has excellent willfulness, it has a very high tensile strength. At the same time, the surface layer has excellent wear resistance after being treated by special heat treatment.

Typically, as the hardness layer increases, the wear resistance also increases, but the breaking strength decreases. Gelin technical experts provide professional solutions, so that the chain has high wear resistance while still showing outstanding breaking strength, which ensures the reliable operation of the equipment. Especially suitable for high-power and high-efficiency bucket elevator transportation equipment.

Schematic diagram of hardness distribution of T-level and E-level slag chains - hardness test direction diagram

Contains Cr, CrN or CrNiM. The alloy material has high purity and fine grains. During heat treatment, the carburizing process is used to obtain ultra-high hardness from the surface to the center of the chain to obtain ultra-high wear resistance.

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T-class slag chain

Usage

For working environments with particularly high requirements for wear resistance.

The T-level slag chain is divided into T40 series of MnV series alloy steel and T80 series of CrNiMo high-quality alloy steel according to the alloy type; according to the depth of the effective hardened layer, it can be divided into three grades: K4, K6 and K8. Gelin has adopted containment manufacturing, and has undergone a special optimized heat treatment process to obtain a higher working load to meet the needs of the majority of users.

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Dimensions and mechanical properties

Specification

dxp

width weight ST40 series breaking force min ST80 series breaking force min Elongation at break min
Inner width a min Outer width b max K4 K6 K8 K4 K6 K8
(mm) (mm) (mm) (kg/m) (kN) (kN) (kN) (kN) (kN) (kN) (%)
14X50 17 48 4 80 70 60 120 110 100 2
16X64 22 58 5 100 95 80 160 150 140 2
18X64 21 60 6.6 130 120 100 210 200 170 2
19X64.5 22 63 7.6 150 135 110 230 220 190 2
22X80 31 83 10 200 175 150 310 300 260 2
22X86 26 74 9.5 200 175 150 310 300 260 2
26X91 35 94 14.3       440 420 370 2
26X92 30 86 13.7       440 420 370 2
26X100 31 87 13.3       440 420 370 2
30X108 34 98 18       590 560 490 2
30X120 36 102 17.6       590 560 490 2
34X126 38 109 22.7       760 710 630 2
34X136 39 113 23.8       760 710 630 2
38X137 42 121 29       950 900 790 2
38X144 44 127 30       950 900 790 2

 

Wear parameters

Specification

dxp

Carburized layer depth ≥550HV Effective hardened layer depth Surface hardness
K4 K6 K8 tolerance K4 K6 K8 tolerance min
(mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) (mm) HV
14X50 1.1 1.4 1.9 ±0.1 0.5 0.8 1.1 ±0.1 800
16X64 1.2 1.6 2.2 ±0.1 0.6 0.9 1.2 ±0.1
18X64 1.4 1.8 2.5 ±0.1 0.7 1 1.4 ±0.1
19X64.5 1.5 1.9 2.6 ±0.1 0.7 1.1 1.5 ±0.1
22X80 1.7 2.2 3 ±0.2 0.8 1.3 1.7 ±0.1
22X86 1.7 2.2 3 ±0.2 0.8 1.3 1.7 ±0.1
26X91 2 2.6 3.6 ±0.2 1 1.5 2 ±0.1
26X92 2 2.6 3.6 ±0.2 1 1.5 2 ±0.1
26X100 2 2.6 3.6 ±0.2 1 1.5 2 ±0.1
30X108 2.4 3 4.2 ±0.3 1.2 1.8 2.4 ±0.1
30X120 2.4 3 4.2 ±0.3 1.2 1.8 2.4 ±0.1
34X126 2.7 3.4 4.7 ±0.3 1.3 2 2.7 ±0.1
34X136 2.7 3.4 4.7 ±0.3 1.3 2 2.7 ±0.1
38X137 3 3.8 5.3 ±0.3 1.5 2.2 3 ±0.1
38X144 3 3.8 5.3 ±0.3 1.5 2.2 3 ±0.1

 

Class E slag chain
Dimensions and mechanical properties

Specification

dxp

width weight Test force

breaking force

min

Elongation at break

min

Chain hardness

±25

Inner width a

min

Outside width b

max

(mm) (mm) (mm) (kg/m) (kN) (kN) % HV
14X50 17 48 4 100 190               7                             466            
16X64 22 58 5 130 250
18X64 21 60 6.6 160 320
19X64.5 22 63 7.6 180 350
22X80 31 83 10 250 470
22X86 26 74 9.5 250 470
26X91 35 94 14.3 350 660
26X92 30 86 13.7 350 660
26X100 31 87 13.3 350 660
30X108 34 98 18 460 890
30X120 36 102 17.6 460 890
34X126 38 109 22.7 590 1140
34X136 39 113 23.8 590 1140
38X137 42 121 29 740 1420
38X144 44 127 30 740 1420

During the use of the slag chain, it is necessary to regularly test and analyze the breaking strength, fatigue strength, hardness distribution and wear resistance of the chain and related components.

 

Tolerance of the chain

1. The manufacturing tolerance of the standard length chain is +0.4%~-0.15%o, that is: the maximum tolerance is equal to 0.55% (the maximum allowable tolerance for a chain with a length of 10 meters is 55 mm).

2. The length tolerance of the paired chain: AX does not exceed 0.05%, that is, the maximum tolerance of two pairs of chains with a length of 10 meters is 5 mm.

When the paired chain length is less than 8 meters, the maximum pairing tolerance is 4 mm.

 

Slag ring chain

According to GB12718, DIN22252 standards and related industry standards.

use

It is used in working environments with general requirements for wear resistance. The slag ring chain is divided into MnV series and CrNiMo high-quality alloy steel according to the alloy type; according to the strength, it can be divided into B grade and C grade, and products of various specifications are available for the majority of users to choose.

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Circular chain for slag machine (class B)

Dimensions and Mechanical Properties

Specification

dxp

width   breaking force Elongation at break

Inner width a

min

Outside width b

max

weight min min
(mm) (mm) (mm) (kg/m) (kN) %
14X50 17 48 4 190 10
16X64 22 58 5 250
18X64 21 60 6.6 320
19X64.5 22 63 7.6 360
22X80 31 83 10 480
22X86 26 74 9.5 480
24X86 28 79 11.6 570
26X91 35 94 14.3 670
26X92 30 86 13.7 670
26X100 31 87 13.3 670
30X108 34 98 18 890
30X120 36 105 17.6 890
34X126 38 109 22.7 1140
34X136 39 113 23.8 1140

 

Circular chain for slag machine (Class C)

Dimensions and Mechanical Properties

Specification

dxp

width   breaking force Elongation at break

Inner width a

min

Outside width b

max

weight min min
(mm) (mm) (mm) (kg/m) (kN) %
14X50 17 48 4 250 10
16X64 22 58 5 320
18X64 21 60 6.6 410
19X64.5 22 63 7.6 450
22X80 31 83 10 610
22X86 26 74 9.5 610
24X86 28 79 11.6 720
26X91 35 94 14.3 850
26X92 30 86 13.7 850
26X100 31 87 13.3 850
30X108 34 98 18 1130
30X120 36 105 17.6 1130
34X126 38 109 22.7 1450
34X136 39 113 23.8 1450
38X137 42 121 29 1810

 

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Our company can produce three series and multiple varieties of high-strength circular chain, compact chain, slag chain, continuous chain, mining car three-ring chain, hoisting chain, marine chain, Fishing chains, hoisting chains and accessories for various slings...

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Fax: +86-513-87590030

E-mail: sales@jsgljj.com / salesrita@jsgljj.com

Add: Jiang'an Development Zone, Rugao City, Jiangsu Province

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