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Umholi

Mild Steel Chain

Umholi: Mild Steel Chain

GR3 Long Link Chain to SABS 251
 
Chain
Size
mm
Working
Load Limit
(metric tons)
Link Diemensions mm Links
per
metre
Mass
per metre in
kg-approx
dn-nom P-nom W2-max
5.6 0.30 5.6 22.4 19.6 44.6 0.62
6.3 0.38 6.3 25.2 22.1 39.7 0.78
7.1 0.48 7.1 28.4 24.9 35.2 0.99
9.0 0.78 9.0 36.0 31.5 27.8 1.60
10.0 1.00 10.0 40.0 35.0 25.0 1.96
11.2 1.20 11.2 44.8 39.2 22.3 2.46
13.0 1.60 13.0 52.0 45.5 19.2 3.30
14.0 1.90 14.0 56.0 49.0 17.9 3.84
16.0 2.50 16.0 64.0 56.0 15.6 5.01
20.0 3.80 20.0 80.0 70.0 12.5 7.83
26.0 6.50 26.0 104.0 91.0 9.6 13.23
Sizes up to 50.0mm

Long Link is a general purpose mild steel chain.
Factor of Safety:   5 to 1

Umholi: Mild Steel Chain

GR3 Extra Long Link Chain to SABS 251

Chain
Size
mm
Working
Load Limit
(metric tons)
Link Diemensions mm Links
per
metre
Mass
per metre in
kg-approx
dn-nom P-nom W2-max
4.0 0.15 4.0 20.0 16.0 50.0 0.30
7.1 0.48 7.1 42.6 28.4 23.5 0.89
10.0 1.00 10.0 60.0 40.0 16.7 1.77
14.0 1.90 14.0 84.0 56.0 12.0 3.47
16.0 2.5 16.0 96.0 64.0 10.4 4.53

ELL Chain was primarily developes for use in underground mining but now offers greater versatility due to its "passing-through' designs allowing immediate, on site, coupling and repair.
Factor of Safety:   5 to 1

Umholi: Mild Steel Chain

GR5 Short Link Chain to SABS 189

Chain
Size
mm
Working
Load Limit
(metric tons)
Link Diemensions mm Links
per
metre
Mass
per metre in
kg-approx
dn-nom P-nom W2-max
6.3 0.79 6.3 18.9 23.0 52.9 0.88
8.0 1.28 8.0 24.0 29.2 41.7 1.43
10.0 2.00 10.0 30.0 36.5 33.3 2.23
11.2 2.51 11.2 33.6 40.9 29.8 2.79
13.0 3.38 13.0 39.0 47.5 25.6 3.77
14.0 3.92 14.0 42.0 49.0 23.8 4.36
16.0 5.12 16.0 48.0 58.4 20.8 5.71
20.0 8.01 20.0 60.0 73.0 16.7 8.92
22.0 9.69 22.0 66.0 80.3 15.2 10.80
26.0 13.5 26.0 78.0 94.9 12.8 15.10
Sizes up to 50.0mm

Grade 5 Short Link Chain is specially hardened and tempered to achieve higher working load limits and increased wearing properties.
Factor of Saferty:   4 to 1

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