Pure Copper Busbar

Product Details

Product Description

Copper is a high stability, low maintenance of roofing and curtain wall materials, environmentally friendly, safe to use, easy to process and highly corrosion resistance. Copper yield strength and elongation is inversely proportional to the bending of the copper plate increased the hardness, but can be reduced by heat treatment. Among all architectural metal materials, copper has the best extension properties and has great advantages in terms of adapting to architectural shapes.

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Product Data

Grade Chart
China	International Standard	United States	Japan	United Kingdom	Germany
T2	Cu-RTP	C11000	C1100	C101	R-Cu57
TU1	Cu-OF	C10200	C1020	C110	OF-Cu
TU2	Cu-OF	C10300	C1020	C103	OF-Cu
TP1	Cu-DLP	C12000	C1201		SW-Cu
TP2	Cu-DHP	C12200	C1220	C106	SF-Cu

Chemical Composition
Alloy	Cu+ Ag	P	Ag	Bi	Sb	As	Fe	Ni	Pb	Sn	S	Zn	O
T2	99.9			0.001	0.002	0.002	0.005		0.005		0.005
TU1	99.97	0.002		0.001	0.002	0.002	0.004	0.002	0.003	0.002	0.004	0.003	0.002
TU2	99.95	0.002		0.001	0.002	0.002	0.004	0.002	0.004	0.002	0.004	0.003	0.03
TP1	99.9	0.004-0.012
TP2	99.9	0.015-0.04

Mechanical Properties
Alloy	State	Tensile Test			Hardness Test
		Thickness/mm	Tensile Strength Rm/MPa	Percentage Elongation After Fracture A11.2/%	Thickness/mm	HV	HRB
T2 TP1 TP2 TU1 TU2	R	0.4-14	≥195	≥30
	M Y1 Y2 Y T	0.3-10	≥205 215-275 245-345 295-380 ≥350	≥30 ≥25 ≥8 - -	≥0.3	≤7 60-90 80-110 90-120 ≥110

Product Application

Busbars are generally made from either copper or aluminum. For a complete list of mechanical properties and compositions of copper used for busbars, see BS EN 13601: 2013 Copper rod, bar and wire for electrical purposes. Table 1 below gives a comparison of some electrical and mechanical properties. It can be seen that for conductivity and strength, high conductivity (HC) copper is far superior to aluminum.