Supply Bright Black Leather W6mo5cr4v2 Hss In China - China

W6Mo5Cr4V2 hss can present different appearances according to different processing and treatment states, which mainly include bright state and black skin state.

The following are the characteristics of these two states and their differences: ### 1 - Bright state W6Mo5Cr4V2 hss in **bright state** usually refers to the steel with a smooth and shiny surface after bright annealing or other treatment processes.

The characteristics of this state include: - **Surface finish**: There is no obvious oxide layer or rust on the surface of the steel, the reflection of light is good, and the appearance is clean and tidy.

- **Treatment process**: It is usually obtained by bright annealing (heating in a protective atmosphere) or other surface treatment methods to avoid the formation of oxide layer during processing.

- **Application**: Steel in bright state is suitable for direct processing or use in application scenarios requiring high surface quality, such as precision machined parts and high-quality molds.

### 2 - Black skin state W6Mo5Cr4V2 high-speed steel in **black skin state** refers to the steel surface with a layer of black oxide scale, which is usually formed during the hot rolling or heat treatment process of the steel.

Its characteristics include: - **Surface oxide layer**: The surface of steel in black skin state will have a layer of black oxide, which can protect the steel, but usually needs to be removed before processing.

- **Processing process**: During hot rolling or heat treatment, an oxide layer is formed on the surface of the steel due to exposure to air.

This state is common in the initial processing or storage state of steel.

- **Application**: Steel in black skin state usually requires further processing, such as peeling, polishing, etc., to meet applications with high precision or aesthetic requirements.

### Summary - **Bright state** The surface of the steel is smooth and has no oxide layer, which is suitable for high-demand processing and applications.

- **Black skin state** There is an oxide layer on the surface of the steel, which usually needs further processing before use.

When selecting materials, it is necessary to decide whether to use bright or black skin steel based on specific application requirements and subsequent processing requirements.

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• Posted By: Dongguan Songshun Mould Steel Co., Ltd.

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• Business Description: Established in 2009,Songshun Steel supplies a wide range of carbon, alloy and tool steel products, including high speed tool steel, cold work tool steel, hot work tool steel, plastic mould steel, engineering steel and machine structural steel etc.
  
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