What is S700MC pickled automotive steel?

S700MC steel plate is a high-strength, low-alloy hot-rolled pickled steel. Its unique pickling process not only gives it a smooth, mirror-like surface, but also takes an important step in improving material performance. During the pickling process of S700MC automotive steel, oxide scale, rust and other impurities on the surface are removed through chemical methods, which effectively reduces tool wear in subsequent processing and improves production efficiency and product quality.

While maintaining high strength (yield strength up to 700MPa), S700MC pickled steel also exhibits excellent cold formability and weldability. This makes it widely used in automobile manufacturing, building structures, heavy machinery and other fields. Especially under the trend of automobile lightweighting, S700MC pickled steel has become an ideal choice for manufacturing key components such as body structures and chassis components due to its excellent mechanical properties and processability, helping to improve the safety performance and fuel consumption of vehicles. Economy.

S700MC High Strength Hot Rolled Automobile Steel has excellent mechanical properties, and its mechanical performance indicators are as follows:

• Tensile strength: minimum about 700 MPa, some data show that its tensile strength range can reach 750~950 MPa.
• Yield strength: The minimum is about 650 MPa, and some data show that its yield strength can reach more than 700 MPa.
• Elongation: The minimum is about 10%, and some data show that the elongation can reach 25%.
• Fracture toughness (Charpy V-notch): The minimum value is usually 20 J, but some data show ≥27 J.

S700MC Hot Rolled Automobile Steel is widely used in many fields due to its high strength and good toughness:

1. Bridge construction: used for supporting structures and load-bearing components of bridges to ensure the safety and stability of the bridge.
2. Petrochemical industry: Used to manufacture containers, pipelines and other components of petrochemical equipment, which can withstand the erosion of high temperature, high pressure and corrosive media.
3. Automobile manufacturing: used for automobile structural parts such as automobile beams and cross beams, as well as truck box floors, electrical housing brackets and other components.
4. Other fields: It is also widely used in mining machinery parts, electrical appliance industry, container industry and other fields.

Things to note

• Welding performance: S700MC steel plate has good welding performance, but during the welding process, attention needs to be paid to selecting appropriate welding methods and welding materials to ensure welding quality.
• Processing performance: S700MC steel plate is easy to process and form, but attention needs to be paid to controlling the processing temperature and deformation during processing to avoid affecting the performance of the steel plate.
• Storage and transportation: Steel plates should be protected from moisture, corrosion and mechanical damage during storage and transportation to avoid affecting their performance and service life.

To sum up, S700MC steel plate plays an important role in modern industry with its high strength, good toughness and welding performance, as well as its wide range of application fields.

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