Copper Clad Steel Wire (CCS)

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Copper clad steel wire (CCS), also known as copper-coated steel or the registered trademark Copper weld, is a bimetallic product primarily used in the cable industry. This wire utilizes a steel core for strength while the copper layer provides electrical conductivity and corrosion resistance. It is suitable for applications such as grounding wires, communication cables, and guy wires—scenarios requiring both strength and durability alongside theft resistance (due to low scrap value) and high-frequency performance (skin effect). It perfectly combines the mechanical toughness of steel with the electrical properties of copper. Usually copper clad steel wire can reach 30% and 40% IACS conductivity. Common sizes are available in 1, 3, 7 and 19 strand cables.

SPECIFICATIONS

1.APPLIACATION: grounding wires, communication cables, and guy wires.

2.STANDARD: IEC 61232, ASTM B452, ASTM B227,DIN 48204, BS 4087, GB/T.

3.INSTALLATION CONDITIONS: open air or underground.

4.PACKAGING: by roll, by polywood, by wooden or steel-wooden reel/drum.

CONSTRUCTION

1. Copper Conductor

Hard drawn copper clad steel wire.

copper clad steel wire PARAMETER

ASTM B452

Sticky First Column Table

Copper Conductor Size (AWG)	Strands	Strand Diameter (in)	Strand Diameter (mm)	Overall Diameter (in)	Overall Diameter (mm)	Area (CMIL)	Area (mm²)	Fault Current Amps at 0.5 sec	Weight/Length (lbs/kft)	Weight/Length (kg/km)	Wire Resistance (Ω/kft)	Wire Resistance (Ω/km)	Min. Break Load (lbf)	Min. Break Load (kgf)
19#4	19	0.2043	5.19	1.022	25.95	793,000	401.8	92.96	2346.4	3491.8	0.0451	0.1479	24474	11101
19#5	19	0.1819	4.62	0.910	23.10	628,700	318.6	73.70	1860.1	2768.1	0.0569	0.1866	19402	8800
19#6	19	0.1620	4.11	0.810	20.57	498,600	252.6	58.45	1475.3	2195.5	0.0717	0.2352	15389	6980
19#7	19	0.1443	3.67	0.722	18.33	395,600	200.5	46.38	1170.6	1742.0	0.0904	0.2965	12210	5538
19#8	19	0.1285	3.26	0.643	16.32	313,700	159.0	36.78	928.3	1381.4	0.1140	0.3739	9682	4392
19#9	19	0.1144	2.91	0.572	14.53	248,700	126.0	29.15	735.7	1094.9	0.1438	0.4717	7674	3481
4/0	19	0.1055	2.68	0.528	13.40	211,500	107.2	24.79	625.7	931.1	0.1691	0.5547	6526	2960
19#10	19	0.1019	2.59	0.510	12.94	197,300	100.0	23.13	583.7	868.7	0.1812	0.5946	6089	2762
7#4	7	0.2043	5.19	0.613	15.57	292,200	148.1	34.25	861.0	1281.4	0.1219	0.3999	9017	4090
7#5	7	0.1819	4.62	0.546	13.86	231,600	117.4	27.15	682.6	1015.8	0.1538	0.5045	7148	3242
7#6	7	0.1620	4.11	0.486	12.34	183,700	93.1	21.54	541.4	805.7	0.1939	0.6360	5670	2572
7#7	7	0.1443	3.67	0.433	11.00	145,800	73.9	17.09	429.6	639.3	0.2443	0.8016	4498	2040
2/0	7	0.1379	3.50	0.414	10.51	133,100	67.4	15.60	392.3	583.8	0.2675	0.8777	4108	1863
7#8	7	0.1285	3.26	0.386	9.79	115,600	58.6	13.55	340.6	506.9	0.3081	1.0108	3567	1618
1/0	7	0.1228	3.12	0.368	9.35	105,600	53.5	12.37	311.1	463.0	0.3374	1.1069	3258	1478
7#9	7	0.1144	2.91	0.343	8.72	91,610	46.4	10.74	270.0	401.8	0.3887	1.2754	2827	1282
7#10	7	0.1019	2.59	0.306	7.76	72,690	36.8	8.52	214.2	318.8	0.4900	1.6075	2243	1017
3#4	3	0.2043	5.19	0.440	11.18	125,200	63.4	14.68	368.3	548.1	0.2838	0.9313	4079	1850
3#5	3	0.1819	4.62	0.392	9.96	99,260	50.3	11.64	292.0	434.5	0.3581	1.1747	3234	1467
3#6	3	0.1620	4.11	0.349	8.86	78,730	39.9	9.23	231.6	344.6	0.4514	1.4811	2565	1163
3#7	3	0.1443	3.67	0.311	7.90	62,470	31.7	7.32	183.7	273.4	0.5690	1.8667	2035	923
3#8	3	0.1285	3.26	0.277	7.04	49,540	25.1	5.81	145.7	216.8	0.7175	2.3540	1614	732
3#9	3	0.1144	2.91	0.247	6.27	39,260	19.9	4.60	115.5	171.9	0.9053	2.9700	1279	580
3#10	3	0.1019	2.59	0.220	5.59	31,150	15.8	3.65	91.6	136.3	1.1410	3.7433	1015	460
#2 AWG	7	0.0860	2.18	0.258	6.55	51,770	26.2	6.07	152.6	227.1	0.6879	2.2568	1614	732
#4 AWG	7	0.0680	1.73	0.204	5.18	32,370	16.4	3.79	95.4	142.0	1.1002	3.6097	1009	458
#2 AWG	1	0.2576	6.54	0.258	6.54	66,370	33.6	7.78	193.7	288.2	0.5313	1.7430	2276	1032
#4 AWG	1	0.2043	5.19	0.204	5.19	41,740	21.2	4.89	121.8	181.2	0.8448	2.7716	1431	649
#6 AWG	1	0.1620	4.12	0.162	4.12	26,250	13.3	3.08	76.6	114.0	1.3432	4.4069	900	408
#8 AWG	1	0.1285	3.26	0.129	3.26	16,510	8.4	1.94	48.2	71.7	2.1354	7.0059	566	257
#9 AWG	1	0.1144	2.91	0.114	2.91	13,090	6.6	1.53	38.2	56.8	2.6942	8.8393	449	204
#10 AWG	1	0.1019	2.59	0.102	2.59	10,380	5.3	1.22	30.3	45.1	3.3957	11.1409	356	162

Sticky First Column Table

Copper Conductor Size (AWG)	Strands	Strand Diameter (in)	Strand Diameter (mm)	Overall Diameter (in)	Overall Diameter (mm)	Area (CMIL)	Area (mm²)	Fault Current Amps at 0.5 sec	Weight/Length (lbs/kft)	Weight/Length (kg/km)	Wire Resistance (Ω/kft)	Wire Resistance (Ω/km)	Min. Break Load (lbf)	Min. Break Load (kgf)
19#4	19	0.2043	5.19	1.022	25.95	793000	401.8	92.96	2346.4	3491.8	0.0451	0.1479	24474	11101
19#5	19	0.1819	4.62	0.910	23.10	628700	318.6	73.70	1860.1	2768.1	0.0569	0.1866	19402	8800
19#6	19	0.1620	4.11	0.810	20.57	498600	252.6	58.45	1475.3	2195.5	0.0717	0.2352	15389	6980
19#7	19	0.1443	3.67	0.722	18.33	395600	200.5	46.38	1170.6	1742.0	0.0904	0.2965	12210	5538
19#8	19	0.1285	3.26	0.643	16.32	313700	159.0	36.78	928.3	1381.4	0.1140	0.3739	9682	4392
19#9	19	0.1144	2.91	0.572	14.53	248700	126.0	29.15	735.7	1094.9	0.1438	0.4717	7674	3481
4/0	19	0.1055	2.68	0.528	13.40	211500	107.2	24.79	625.7	931.1	0.1691	0.5547	6526	2960
19#10	19	0.1019	2.59	0.510	12.94	197300	100.0	23.13	583.7	868.7	0.1812	0.5946	6089	2762
7#4	7	0.2043	5.19	0.613	15.57	292200	148.1	34.25	861.0	1281.4	0.1219	0.3999	9017	4090
7#5	7	0.1819	4.62	0.546	13.86	231600	117.4	27.15	682.6	1015.8	0.1538	0.5045	7148	3242
7#6	7	0.1620	4.11	0.486	12.34	183700	93.1	21.54	541.4	805.7	0.1939	0.6360	5670	2572
7#7	7	0.1443	3.67	0.433	11.00	145800	73.9	17.09	429.6	639.3	0.2443	0.8016	4498	2040
2/0	7	0.1379	3.50	0.414	10.51	133100	67.4	15.60	392.3	583.8	0.2675	0.8777	4108	1863
7#8	7	0.1285	3.26	0.386	9.79	115600	58.6	13.55	340.6	506.9	0.3081	1.0108	3567	1618
1/0	7	0.1228	3.12	0.368	9.35	105600	53.5	12.37	311.1	463.0	0.3374	1.1069	3258	1478
7#9	7	0.1144	2.91	0.343	8.72	91610	46.4	10.74	270.0	401.8	0.3887	1.2754	2827	1282
7#10	7	0.1019	2.59	0.306	7.76	72690	36.8	8.52	214.2	318.8	0.4900	1.6075	2243	1017
3#4	3	0.2043	5.19	0.440	11.18	125200	63.4	14.68	368.3	548.1	0.2838	0.9313	4079	1850
3#5	3	0.1819	4.62	0.392	9.96	99260	50.3	11.64	292.0	434.5	0.3581	1.1747	3234	1467
3#6	3	0.1620	4.11	0.349	8.86	78730	39.9	9.23	231.6	344.6	0.4514	1.4811	2565	1163
3#7	3	0.1443	3.67	0.311	7.90	62470	31.7	7.32	183.7	273.4	0.5690	1.8667	2035	923
3#8	3	0.1285	3.26	0.277	7.04	49540	25.1	5.81	145.7	216.8	0.7175	2.3540	1614	732
3#9	3	0.1144	2.91	0.247	6.27	39260	19.9	4.60	115.5	171.9	0.9053	2.9700	1279	580
3#10	3	0.1019	2.59	0.220	5.59	31150	15.8	3.65	91.6	136.3	1.1410	3.7433	1015	460
#2 AWG	7	0.0860	2.18	0.258	6.55	51770	26.2	6.07	152.6	227.1	0.6879	2.2568	1614	732
#4 AWG	7	0.0680	1.73	0.204	5.18	32370	16.4	3.79	95.4	142.0	1.1002	3.6097	1009	458
#2 AWG	1	0.2576	6.54	0.258	6.54	66370	33.6	7.78	193.7	288.2	0.5313	1.7430	2276	1032
#4 AWG	1	0.2043	5.19	0.204	5.19	41740	21.2	4.89	121.8	181.2	0.8448	2.7716	1431	649
#6 AWG	1	0.1620	4.12	0.162	4.12	26250	13.3	3.08	76.6	114.0	1.3432	4.4069	900	408
#8 AWG	1	0.1285	3.26	0.129	3.26	16510	8.4	1.94	48.2	71.7	2.1354	7.0059	566	257
#9 AWG	1	0.1144	2.91	0.114	2.91	13090	6.6	1.53	38.2	56.8	2.6942	8.8393	449	204
#10 AWG	1	0.1019	2.59	0.102	2.59	10380	5.3	1.22	30.3	45.1	3.3957	11.1409	356	162