Transport Chain – Dia 7mm AS/NZS 4344 Grade 70 Transport Chains
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Chain Parameter
SCIC Grade 70 (G70) transport chains cargo lashing are made as per AS/NZS 4344 standards. Chain links are well designed / monitored welding & heat-treatment ensure chains mechanical properties including lashing capacity, proof force, breaking force, elongation & hardness. Full inspection and tests are applied on chain batch.
G70 Transport Chains have the advantages of cleanliness, lightweight, strength and reliability and thus are ideal for tie-down applications for cargo securing with the transport and shipping industries.
We can supply chains with grab hooks and other components, per clients lengths.
Figure 1: Grade 70 chain link dimensions
Note:
dm = mean diameter of the material in the chain link
dn = nominal diameter of the material from which the chain is made
dw = diameter of the material at the weld
e = extent of the material affected dimensionally on either side of the weld
p = inside length
w1 = inside width
w = outside width
(w1, w excludes weld protrusion)
Table 1: Grade 70 (G70) chain dimensions, AS/NZS 4344
mm
|
Chain size |
Material size |
Link dimensions |
Weld protrusion |
||||||
|
Preferred |
Nominal dia. |
Limits |
Inside length |
Width |
Extension from centre-line |
Weld dia. |
|||
|
Outside |
Inside |
||||||||
|
max. |
min. |
max. |
min. |
max. |
min. |
max. |
max. |
||
|
dm |
dm |
p |
p |
w |
w1 |
e |
dw |
||
|
6 |
6.30 |
6.42 |
5.93 |
18.90 |
17.33 |
22.05 |
7.88 |
3.78 |
6.93 |
|
7 |
7.10 |
7.24 |
6.68 |
21.30 |
19.53 |
24.85 |
8.88 |
4.26 |
7.81 |
|
7.3 |
7.30 |
7.45 |
6.86 |
24.00 |
22.00 |
26.60 |
10.00 |
4.38 |
8.03 |
|
8 |
8.00 |
8.16 |
7.52 |
24.00 |
22.00 |
28.00 |
10.00 |
4.8 |
8.80 |
|
10 |
10.00 |
10.20 |
9.40 |
30.00 |
27.50 |
35.00 |
12.50 |
6.00 |
11.00 |
|
13 |
13.00 |
13.26 |
12.22 |
39.00 |
35.75 |
45.50 |
16.25 |
7.80 |
14.30 |
Table 2: Grade 70 (G70) chain capacity, AS/NZS 4344
|
Norminal chain size |
min. breaking strength MBS (kN) |
Lashing capacity LC (kg) |
|
6 |
44.1 |
2300 |
|
7 |
55.9 |
2900 |
|
7.3 |
58.9 |
3000 |
|
8 |
73.6 |
3800 |
|
10 |
118 |
6000 |
|
13 |
176 |
9000 |
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