Copper Rod WTM(soft), WTY(hard) manufacturer from China shaoxing libo group company

Copper Rod

Price:	0.1 USD
Payment Terms:	T/T,L/C
Place of Origin:	Zhejiang, China (Mainland)


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Product Detail

Model No.: WTM(soft), WTY(hard)

Type: Others

Specification: WTM(soft), WTY(hard)

Application: Others

Brand Name: OEM

Grade: COPPER

Libo's oxygen-free copper rod starts with high-quality copper cathode as its ingot. Using continuous conforming technology,

1.Model

WTM(soft), WTY(hard)

Executive standard: GB/T4423-2007

2.Specification

2.1 Size Options

The diameter of copper rod: Φ8~Φ120

2.2 Chemical Composition and Oxygen Content

Table1

Chemical composition and oxygen content of copper rod

(Chemical Composition %, the content of microelement is less than or equal to)

Cu+Ag	P	Bi	Sb	As	Fe	Ni	Pb	Sn	S	Zn	O
≥99.97	0.001	0.001	0.002	0.002	0.005	0.002	0.003	0.002	0.002	0.002	0.001

2.3 Size and Tolerance

Table 2 Size and Tolerance of Copper Rod unit:mm

Diameter of Copper Rod Φ	Tolerance
Diameter of Copper Rod Φ	High Precision Level	Common Level
8<Φ≤10	±0.03	±0.05
10<Φ≤18	±0.03	±0.06
18<Φ≤30	±0.04	±0.07
30<Φ≤50	±0.08	±0.10
50<Φ≤120	±0.10	±0.12

2.4 Straightness

Table 3

The straightness of copper rod in hardness unit:mm

Length

	Size
	6<Φ≤20		20<Φ≤80
	Overall Length	Per Meter	Overall Length	Per Meter
L<1000	≤2	—	≤1.5	—
1000≤L<2000	≤3	—	≤2	—
2000≤L<3000	≤6	≤3	≤4	≤3
L≥3000	≤12	≤3	≤8	≤3

2.5 Mechanical Property

Table 4

Mechanical Property of Copper Rod

Model	Status	Diameter/mm	Tensile Strength/MPa	Elongation/%	Brinnell's Hardness/HBW
Model	Status	Diameter/mm	≥
T₂	Y	8~40	275	10	—
		40~60	245	12	—
		60~80	210	16	—
	M	8~120	200	40	—

2.6 Conductivity

Table 5

Resistivity of Copper Rod (20℃)

Model	DC Resistivity(Ω·mm²/m)	Conductivity(%IACS)
WTMR	≤0.017241	≥100
WTMY	≤0.01777	≥97

2.7 Surface Quality

The surface of copper rod is smooth and clean, without any defect like crack, peeling, bubble, impurity and circular mark that can be felt by touching.