详情描述

Primarily supply copper sheets, copper strips, brass sheets, and brass strips.

Our company specializes in the production of copper sheets and strips, known as "red copper." Red copper is the purest form of copper, a tough, malleable, and ductile metal with a reddish purple sheen. Due to its pink hue, the surface oxidizes to a purple color, hence the name "red copper" or "oxygenated copper." It is a type of industrial pure copper with a melting point of 1083°C, no allotrophic transformation, a relative density of 8.9 (five times that of magnesium), and approximately 15% heavier than mild steel per unit volume. It has excellent welding properties and can be cold or hot formed into various semi-finished and finished products. Red copper is named for its purple-red color and is not necessarily pure copper; it can also contain trace elements to enhance material properties, thus it is also categorized as a copper alloy. Chinese red copper products can be classified into four types based on composition: ordinary red copper (T1, T2, T3, T4), oxygen-free copper (TU1, TU2, high purity, and vacuum oxygen-free copper), deoxidized copper (TUP, TUMn), and special copper added with alloying elements (arsenic copper, tellurium copper, silver copper). Red copper has excellent conductivity and thermal conductivity, second only to silver, and is widely used in the manufacturing of conductive and thermal materials. It also demonstrates good corrosion resistance in atmospheric, seawater, and certain non-oxidizing acids (hydrochloric acid, dilute sulfuric acid), alkalis, salt solutions, and various organic acids (acetic acid, citric acid).

T2 Copper Plate, T2 Copper Strip Chemical Composition:

Copper + Silver CuAg: ≥99.97%

Tin (Sn): ≤0.002

Zn: ≤0.005

Lead (Pb): ≤0.005

Nickel (Ni): ≤0.005

Iron Fe: ≤0.005

Beryllium (Sb): ≤0.002

Sulfur (S): ≤0.005

Arsenic (As): ≤0.002

Bismuth (Bi): ≤0.001

Oxygen: ≤0.06

Note: ≤0.1 (impurities)

Sample Size: Thickness 0.5-10mm

Tensile Strength KPa: ≥295-420

Ultimate elongation A11.3%: ≥3%

Rockwell Hardness HV: ≥90-120

Copper plate testing standard: GB/T 2059-2008

Conductivity %IACS = (0.017241/P) * 98.5-102

Heat Treatment Specifications:

Heat treatment temperature: 900～1050℃; Annealing temperature: 500～700℃;

The recrystallization start temperature for cold worked hardened copper is 200 to 300°C.

Regular Stock Inventory:

600 wide x 1500 long x 0.3-30 thick mm

1000 wide x 2000 long x 0.5-15 thick mm

Note: Non-standard specifications are available for customization.