Hard Copper Stranded Conductor

The product is used in aerial power line and power system of electrical railway.

Main Performances of Round Copper Single Wire

Dia.of single wire mm		Cross-section of conductor mm2		Tensile strength N/mm2		Conductor resistivity at 20  Ω.mm2/m	weight kg/km
Nominal value	Tolerance			Min.value      before stranding	Min.value      after stranding
1.35	±0.03	1.43		422	392	0.01796	12.7
1.5		1.77					15.3
1.75		2.41					21.5
2		3.14				0.01777	28
2.25		3.98					35.4
2.5		4.91					43.7
2.7		5.94					52.9
3		7.07					62.9
3.25	±0.04	8.3					73.8

 Specification, Construction and Technical Date.

Nominal            cross-section mm2	Single wire			Overall diameter of the stranded conductor mm	Calculated breaking load     kN	Conductor D.C.resistance at 20 Ω.mm2/m	Calculated               carrying capacity                          A		Calculated weight kg/km
	No.of wires	mm Dia.
10	7	1.35		4.1	4.02	1.8156	90		90
16	7	1.7		5.1	6.37	1.145	125		143
25	7	2.1		6.3	9.72	0.7424	160		218
35	7	2.5		7.5	13.77	0.5238	200		310
50	7	3		9	19.84	0.3638	250		446
50	19	1.8		9	19.38	0.3781	250		437
70	19	2.1		10.5	26.38	0.2747	310		596
95	19	2.5		12.5	37.39	0.1939	380		845
120	19	2.8		14	46.9	0.1546	440		1060
127	19	2.92		14.6	51	0.1422	470		1163
150	37	2.25		15.8	58.98	0.1232	510		1337
185	37	2.5		17.5	72.81	0.09981	585		1649
240	61	2.25		20.3	97.23	0.0749	700		2209
300	61	2.5		22.5	120.04	0.06067	800		2725

Hard Copper Stranded Conductor