17CrNi6-6 Steel

 

 

 

• 17CrNi6-6  Chemical composition:

• Carbon (C): The content ranges from 0.14% to 0.2%.

• Silicon (Si): ≤ 0.4%.

• Manganese (Mn): 0.5% to 0.9%.

• Nickel (Ni): 1.4% to 1.7%.

• Phosphorus (P): ≤ 0.025%.

Additionally:

• Chromium (Cr): 1.5% to 1.8%.

• Sulphur (S): ≤ 0.035%.

• Mechanical properties:

• Tensile strength: ≥ 980 MPa.

• Yield strength: ≥ 780 MPa.

• Elongation: ≥ 11%.

• Reduction of area: ≥ 45%.

The specific values of the chemical composition and mechanical properties may vary slightly depending on the exact manufacturing process and requirements.

 

The production process of 17CrNi6-6 Steel mainly includes the following steps:

1. Material Preparation: Select qualified raw materials and ensure their composition meets the requirements of 17CrNi6-6 steel. The materials usually need to undergo pre-treatment, such as heat treatment or normalizing treatment, to achieve the required mechanical properties.

2. Preheating: Heat the steel material to an appropriate temperature range, generally between 950°C and 1150°C. The specific temperature depends on the alloy composition and requirements of the material. The purpose of preheating is to improve the plasticity of the material and reduce the difficulty of forging.

3. Forging: The preheated material is forged into the desired shape and size. This process helps to refine the grain structure and improve the mechanical properties of the steel.

4. Annealing: After forging, the steel is annealed to relieve internal stresses and improve ductility.

5. Machining: The forged and annealed steel is machined to achieve the final dimensions and surface finish.

6. Heat Treatment: This typically involves quenching and tempering to obtain the desired hardness and mechanical properties.

7. Quality Control: Throughout the production process, various tests and inspections are carried out to ensure the quality and properties of the 17CrNi6-6 Steel meet the specified standards.

The exact parameters and procedures of the production process may vary depending on the specific requirements and manufacturing facilities.

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