To understand the "raw materials and formulas for white copper", we first need to understand what white copper raw materials and formulas are. So let's first talk about what copper is. White copper is a copper zinc alloy. There are many types and grades of white copper. The chemical composition of different grades of white copper varies. White copper has a silver white appearance and is often made into products such as tubes, rods, plates, foils, and wires. The sales of white copper are still good, with a wide range of uses.

What is the raw material and formula of white copper?

1. Definition of white copper raw materials: White copper raw materials refer to the raw materials and materials used to produce metal products such as white copper.

2. Definition of white copper formula: White copper formula refers to the preparation method of white copper.

What is the unit of white copper formula? The unit of white copper formula is "%".

What principles should be followed for the formulation of white copper?

1. The grade of the selected metal raw material should be higher or slightly higher than the grade of the product.

2. A relatively valuable alloy element, its ingredient ratio can be taken as the middle and lower limits of the standard composition.

3. Alloy elements that may have significant losses during the melting process should be fully considered when determining the ingredient ratio.

4. Some refractory, volatile, and oxidizable constituent elements in alloys should be pre made into intermediate alloys.

5. Nu metal and scrap, primary scrap and secondary scrap, large size scrap and small size scrap should be properly matched.

Complex alloy batching is usually carried out in units of melting, and various metal raw materials should be accurately weighed.

White copper raw materials and formulas?

1. White copper raw materials: There are many white copper raw materials, not a single one.

(1) White copper raw material 1: processing waste. The various semi-finished and finished waste products generated during the copper processing production process, including material heads, tails, edges, corners, chips, etc., are collectively referred to as copper processing waste. Directly recycling copper processing material corner waste from factory customers also belongs to this category. Copper processing plants often refer to this type of waste as factory returns or old materials.

Classification of processing waste of white copper raw materials:

① Primary waste refers to various geometric waste materials with high geometric dimensions and bulk density.

② Secondary waste refers to various geometric waste materials with relatively small and fine geometric dimensions, such as sawdust, milling chips, etc.

(2) White copper raw material 2: commercial waste. According to the copper mesh theory, for commercial waste, the direction of use should be determined based on its actual grade, such as:

① Copper busbars (bars), bare wires, copper water pipes, crystallizer chambers, blast furnace cooling wall panels, etc. can be directly put into use in the furnace.

② Shell casings, condenser pipes, decorative plates, etc. can be directly put into the furnace after selection and classification.

③ Micro copper wires, electrical and electronic parts, connectors, copper utensils, coins, etc. can be used as brass for non important purposes or used together with Nu metal.

④ Copper shavings and slag with mixed grades, including sweeping copper, must be carefully sorted or remelted.

(3) White copper raw material three: pure copper.

2. White copper formula: White copper refers to a copper alloy that adds nickel and other elements to the base of pure copper. There are many grades of white copper, and the proportion of formula for different grades of white copper varies.

What is white copper raw material processing? Copper raw material processing refers to the processing of raw materials such as cutting, packaging, pelletizing, and residue replication, mainly for the convenience of feeding and melting operations.

According to the quality and purpose of the residue, there are usually the following treatment methods.

(1) Pure copper and brass chips with less lotion:

Crusher - Rotary drying furnace - Packaging or pelletizing.

(2) Pure copper and brass filings with more lotion:

Crusher - centrifuge - rotary drying furnace - packaging or pelletizing.

(3) High copper alloy, complex brass, bronze, and white copper shavings:

Alkali washing tank - hot water tank - rotary drying furnace - packaging or pelletizing.

The alkali content of the water in the alkali washing tank is 10% -20%, and the water temperature is 60-80 ℃. The water temperature in the hot water tank is 60-80 ℃.

Aluminum bronze, silicon manganese bronze, beryllium bronze, and various white copper shavings should be remelted before being put into the furnace.

When the chemical composition of particularly mixed copper shavings cannot be determined, they can be recovered and treated through smelting.

Article source: Changjiang Nonferrous Metals Network

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