Products

Square steel chain
made of square wire


Dimensions

Nominal size
a x t
Square
a x a
Pitch
t
b2
min.
b1
max.
Mass per 1 m
~
mm mm mm mm mm kg
8 x 30 8 x 8 ± 0,25 30 ± 0,5 11 31 1,65
9 x 35 9 x 9 ± 0,25 35 ± 0,5 14 36 2,0

Mechanical properties
Chain grade  5
Nominal size
a x t
Square
a x a
Load
initial
Test load
(towing)
Breaking load
(MBL)
min.
Elongation at
breaking load
min.
mm mm kN kN kN %
 8 x 30 8 x 8 6 30 60 10
 9 x 35 9 x 9 8 40 80 10

Mechanical properties
Chain grade  6
Nominal size
a x t
Square
a x a
Load
initial
Test load
(towing)
Breaking load
(MBL)
min.
Elongation at
breaking load
min.
mm mm kN kN kN %
8 x 30 8 x 8 6 35 70 10
9 x 35 9 x 9 8 50 100 10

Mechanical properties
Chain grade 8
Nominal size
a x t
Square
a x a
Load
initial
Test load
(towing)
Breaking load
(MBL)
min.
Elongation at
breaking load
min.
mm mm kN kN kN %
8 x 30 8 x 8 6 45 90 10
9 x 35 9 x 9 8 55 110 10

Main applications:  forestry, anti-slip chains.