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Welding Cables

Both copper & alumunium welding cable with HOFR & TRS are ISI marked

Technically sound
With guaranteed life
Saving of 40% operation cost
Works at high temperature

* HOFR - Heat,Oil and Fire Retardent
* TRS - Tough Rubber Sheath

The company is an ISO_9002 certified company.

The company is an ISO_9002 certified company.

SIZE (Sq. mm.)		Equivalent cable as specified in IS-434	Suitable for manual welding electrode upto
Copper	Alumunium	Equivalent cable as specified in IS-434	Suitable for manual welding electrode upto
16	25	150 Amps	3.15 mm (10 SWG)
25	35	230 Amps	4.00 mm (8 SWG)
35	50	400 Amps	4.00 mm (8 SWG)
50	70	600 Amps	5.00 mm (6 SWG)
70	95	800 Amps	6.30 mm (4 SWG)
95	120	1000 Amps	Specially for automatic use

TECHNICAL DATA
COPPER ISI WELDING CABLES
Nominal cross sectional area of cond.(mm)	Construction					Approx. overall weight 100 mtrs roll in (kgs)	Max. D.C resistance of conductor	Tensile Strength (N/mm)
	Diameters of wire(mm)	Diameter of wire rope (mm)	Polyster tape thickness (mm)	Nominal sheath thickness (mm)	Max overall diameter (mm)			HOFR	TRS

16	0.2	6.0	0.025	2.0	10.5	24	1.210	11.0	9.0
25	0.2	7.5	0.025	2.0	11.5	35	0.780	11.0	9.0
35	0.2	9.0	0.025	2.0	13.5	45	0.554	11.0	9.0
50	0.2	10.5	0.025	2.0	15.5	62	0.386	11.0	9.0
70	0.2	12.5	0.025	2.0	17.5	86	0.272	11.0	9.0
95	0.2	15.0	0.025	2.0	20.5	115	0.206	11.0	9.0

ALUMUNIUM ISI WELDING CABLES
Nominal cross sectional area of cond.(mm)	Construction					Approx. overall weight 100 mtrs roll in (kgs)	Max. D.C resistance of conductor	Tensile Strength (N/mm)
	Diameters of wire(mm)	Diameter of wire rope (mm)	Polyster tape thickness (mm)	Nominal sheath thickness (mm)	Max overall diameter (mm)			HOFR	TRS

25	0.2	7.5	0.025	2.0	11.5	19	1.230	11.0	9.0
35	0.2	9.0	0.025	2.0	13.5	23	0.901	11.0	9.0
50	0.2	10.5	0.025	2.2	15.5	30	0.634	11.0	9.0
70	0.2	12.5	0.025	2.4	17.5	40	0.445	11.0	9.0
95	0.2	15.0	0.025	2.6	20.5	52	0.334	11.0	9.0
120	0.3	17.0	0.025	2.8	22.5	63	0.256	11.0	9.0

Current carrying capacity (Amps.) at percentage duty cycle
Copper cable	HOFR			TRS
Size sq. mm.	100% A	60% A	30% A	100% A	60% A	30% A
16	135	174	246	94	121	172
25	177	228	343	125	161	228
35	221	285	403	156	201	285
50	279	360	509	197	254	360
70	352	454	643	248	320	453
95	424	547	774	299	386	546
Alum.cable
25	144	186	263	100	129	183
35	176	227	321	123	159	225
50	222	287	405	155	200	283
70	280	361	511	196	253	358
95	339	438	619	237	360	433
120	404	522	738	283	365	517

Derating factor for variation in ambient temperature
Temp. c		25	30	35	40	45	50
Factor	HOFR	1.40	1.00	0.96	0.91	0.87	0.82
Factor	TRS	1.08	1.00	0.91	0.82	0.71	0.58

	Current Carrying Capacity of HOFR & TRS Welding Cable v/s Ambient Air Temp C COPPER

Voltage Drop
D.C Voltage /100 amps /10 metre

Copper Cables
Size (sq. mm)	90 C HOFR	60 C TRS
16	1.587	1.438
25	1.018	0.922
35	0.723	0.655
50	0.503	0.456
70	0.355	0.321
95	0.296	0.244
Aluminium Cables
Size (sq. mm)	90 C HOFR	60 C TRS
25	1.574	1.428
35	1.153	1.045
50	0.811	0.735
70	0.570	0.516
95	0.428	0.387
120	0.328	0.297