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Chains for bucket conveyors

Chains for bucket conveyors are manufacutred from 2 distinct materials coded RC4 and RC5

RC4

Highly resistant chains of RC4 quality for conveyors are manufactured in accordance to the DIN 764/766 norm from manganese alloyed steel (eg. 21Mn4Al). Surface hardness 750 HV measured 0,25 mm below the surface, carburizing depth HTÄ 0,1 d +/- 0,01 d. Hardening depth Eht at 0,06 d amounts to more than 550 HV up to 28 mm-ø, and for 30 mm-ø
and above - at 0,05 d more than 550 HV.


Testing force 125 N/mm2, breaking force 250 N/mm2.

RC5

Highly resistant chains of RC5 quality for conveyors are manufactured in accordance to the DIN 764/766 norm from chrome and nickel enriched steel (eg. 15CrNi6). Surface hardness 750 HV measured 0,25 mm below the surface, carburizing depth HTÄ 0,1 d +/- 0,01 d. Hardening depth Eht at 0,06 d amounts to more than 550 HV up to 28 mm-ø, and for 30 mm-ø and above - at 0,05 d more than 550 HV.


Testing force 150 N/mm2, breaking force 300 N/mm2.

RC Material Chain Shackle
RC 4 RC 5 RC 4 RC 5
Testing force N/mm2 125 150 120 130
Breaking force N/mm2 250 300 240 300
Surface hardness HV 30 min. 750 min. 750 min. 700 min. 700
Carburizing depth HTA 0,1 d 0,1 d 0,1 d 0,1 d
Hardening depth Eht min. 550 HV3 0,6 d* 0,6 d* 0,6 d* 0,6 d*
Material Mn steel CrNi steel Mn steel CrNi steel
* for 30 mm-ø and above - 0,05d

Long link chains DIN 764

DIN 764 RC 4 RC 5
Size Width Weight Working load Testing force Breaking force Working load Testing force Breaking force
d x p mm inside b1 min. mm outside b2 max. mm kg/m kN kN kN kN kN kN
10 x 35 14 36 2,0 10 20 40 12 24 48
13 x 45 18 47 3,5 16 32 64 20 40 80
16 x 56 22 58 5,2 25 50 100 30 60 120
18 x 63 24 65 6,5 32 63 126 38 76 151
20 x 70 27 72 8,2 40 80 160 48 96 192
23 x 80 31 83 11,0 50 100 200 60 120 240
26 x 91 35 93 14,0 63 126 152 76 151 302
30 x 105 39 108 19,0 85 170 340 102 204 408
33 x 115 43 119 22,5 100 200 400 119 238 476
36 x 126 47 130 26,5 125 250 500 150 300 600

Short link chains DIN 766

DIN 766 RC 4 RC 5
Size Width Weight Working load Testing force Breaking force Working load Testing force Breaking force
d x p mm inside b1 min. mm outside b2 max. mm kg/m kN kN kN kN kN kN
10 x 28 12 36 2,3 10 20 40 12 24 48
13 x 36 15,6 47 3,9 16 32 64 20 40 80
16 x 45 19,2 58 2,8 25 50 100 30 60 120
18 x 50 21,6 65 7,4 32 63 126 38 76 151
20 x 56 24 72 9,0 40 80 160 48 96 192
23 x 64 27,6 83 12,0 50 100 200 60 120 240
26 x 73 31,2 94 15,0 63 126 152 76 151 302
30 x 84 36 108 20,0 85 170 340 102 204 408
33 x 92 43 119 25,0 100 200 400 119 238 476
36 x 101 43,2 130 29,0 125 250 500 150 300 600

Bucket conveyor elements

Protection and skidder chains

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