precision forging S25C carbon steel forgings

precision forging S25C carbon steel forgings

Overview:

S25C is a low-carbon steel material, mainly composed of elements such as carbon (C) and silicon (Si). It has good weldability, toughness and plasticity, and is widely used in machinery manufacturing industry and automobile manufacturing industry.

1. Physical properties:

1. Density: The density of S25C is about 7.85g/cm³.

2. Elastic modulus: The elastic modulus of S25C is about 200-210GPa.

3. Thermal expansion coefficient: The thermal expansion coefficient of S25C is about 11.7-13.3×10^-6/℃.

4. Hardness: The hardness range of S25C is HBS120-160.

2. Chemical composition:

1. Carbon (C) content: The carbon content of S25C is about 0.22-0.28%.

2. Silicon (Si) content: The silicon content of S25C is about 0.15-0.35%.

3. Manganese (Mn) content: The manganese content of S25C is about 0.30-0.60%.

4. Sulfur (S) content: The sulfur content of S25C is about 0.05% or less.

5. Phosphorus (P) content: The phosphorus content of S25C is about 0.04% or less.

III. Heat treatment performance:

S25C has good heat treatment performance and can be subjected to heat treatment processes such as normalizing, quenching and tempering to obtain different mechanical properties and organizational structures.

IV. Mechanical properties:

1. Yield strength: The yield strength of S25C is about 245-275MPa.

2. Tensile strength: The tensile strength of S25C is about 410-540MPa.

3. Elongation: The elongation of S25C is about 25-35%.

4. Impact toughness: S25C has good impact toughness, and the absorbed energy is about 20-25J.

V. Application field:

S25C is widely used in the machinery manufacturing industry and the automobile manufacturing industry, especially for manufacturing parts and mechanical parts with high strength requirements, such as bearings, gears, shafts, pins, etc.

VI. Precautions for use:

1. During the welding process, attention should be paid to controlling the welding temperature to avoid excessive temperature causing hardening and brittleness of the material.

2. When using, attention should be paid to rust prevention, and long-term moisture and exposure to humid environments should be avoided to prevent rust from affecting the performance of the material.

3. When performing heat treatment, attention should be paid to controlling the processing parameters to avoid being too hard or too brittle.

Summary:

S25C is a low-carbon steel material with good weldability, toughness and plasticity, suitable for the machinery manufacturing industry and the automobile manufacturing industry. Its physical properties, chemical composition, heat treatment performance and mechanical properties and other parameter data are introduced in detail. When using, attention should be paid to controlling the welding temperature, preventing rust and controlling the heat treatment process parameters.

Company Introduction: Qinhuangdao Zhongwei Precision Machinery Co., Ltd. was established in 1997. It is a professional manufacturer of forgings engaged in the manufacture and processing of automotive parts, marine gearbox accessories, and engineering machinery accessories. It can forge copper alloys, titanium alloys, aluminum alloys, carbon steel, stainless steel, high-temperature alloys and other materials. The company covers an area of ​​more than 10,000 square meters and has a standard factory building of 5,000 square meters. It has a complete set of advanced production technologies and equipment from mold design, development, parts manufacturing and processing. It has multiple die forging production lines mainly based on 4000T, 2500T, 1600T, 1000T, and multiple auxiliary production lines. The annual output is 15,000 tons. It is exported to more than 20 countries and regions including Germany, the United States, the United Kingdom, France, Russia, etc.