Tata Wiron :: Products :: Institutional Business :: Power

Cable Armour

Cable armouring wires are used in armouring of cables, which find application in the power segment. Tata Steel Limited (Wire Division) manufacturers two different types of cable armour wires with round and flat cross sections. The Company is also the leading supplier of Flat and Round Cable Armour wires in India. These wires are manufactured in modern galvanised furnace and flattening machines equipped with latest technology for superior quality

Manufucturing Process	\|	Product Specification

Product Standard

» Manufacturing Process

» Product Specification

Round Cable Armour

Size range - 1.4 to 4.0 mm
Specification - IS 3975 (1999), BS EN 10257 - 1998

» Product Standard

Round Cable Armour Wire - IS 3975 –1999 - Indian Standard

SIZE mm	TOLERANCE mm	UTS Kg/mm2	%ELONG. (GL=mm)	TORSION (GL=150mm)	Zn Coating g/m2 min	Cu DIPS (1minute) min	RESISTIVITY Ohm cm
1.40	+/- 0.040	30.6 to 51	10 min (125)	43	90	1 min	14.5 x 10-6 max.
1.60	+/- 0.045		10 min (125)	37	95	1 min
2.00	+/- 0.05		10 min (250)	30	105	1-½
2.50	+/- 0.065			24	110	1-½
3.15	+/- 0.080			19	120	1-½
4.00	+/- 0.10			15	135	1-½

Round Cable Armour Wire - BS EN 10257 – 1998 - British Standard

SIZE mm	TOLERANCE MM	UTS Kg/mm2	%ELONG.		TORSION (GL=150mm)	Zn Coating g/m2	Cu DIPS (1minute) min	RESISTIVITY Ohm.cm
SIZE mm	TOLERANCE MM	UTS Kg/mm2	Min.	GL=mm	TORSION (GL=150mm)	Zn Coating g/m2	Cu DIPS (1minute) min	RESISTIVITY Ohm.cm
1.60	+/- 0.045	30.6 to 51	10%	160mm	37	230	2-½	13.8x10-6
2.00	+/- 0.05			200mm	30	240	3
2.50	+/- 0.065			250mm	24	260	3
3.15	+/- 0.08				19	275	3-½
4.00	+/- 0.10				15	290	3-½

» Coil Specifications

Sizes(mm)	Coil weight (Kg)	Packing	Coil ID (mm Min)	Coil OD (mm Max)	Coil Height mm (Max)
1.4 to 2.0	50 to 150	HDPE Bag	450	800	1000
2.5 to 4.0	100 to 200	HDPE Bag	500	800	200
	500 to 1000	HDPE Bag	500	800	1000

IS standard wire can be supplied in pattern laid coils of 400 to 1000 kg

BS standard wire will be supplied in conventionally wound coils.

Flat Cable Armour Wire

Size Range -4X 0.80 mm and 6 x 1.40 mm

Standards -IS 3975 –1999

» Flat Cable Armour Wire-IS 3975-1999

		4.0 x 0.8	6.1 x 1.4
Size mm	A	4	6.1
	B	3.4	5.3
	C	0.8	1.4
	R	10	27.5
TOLERANCE mm		+/- 10%	+/- 10%
UTS Kg/mm2		30.6 to 51	30.6 to 51
% ELONGATION. (GL= 250 mm)		10 min	10 min
Zn Coating g/m2		110 min	180 min
Cu DIPS - (1 Minute)	FACE	1½	1½
	EDGE	½	½
RESISTIVITY ohm.cm		14.5 x 10-6 max	14.5 x 10-6 max

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