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• 2024-12-24 00:06:25 HS code-focused compliance auditsHS code-focused compliance auditsStep 1: Visit official website First, HS code-focused compliance auditsopen your browser and enter the official website address (spinspalaceapp.com) of . HS code-focused compliance auditsYou can search through a search engine or enter the URL directly to access it.Step *List of the catalogue of this article:1, How to check the strength of automobile steel2、Automotive
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• Automotive Steel Quality Defects
• 3, What are the types of steel commonly used in car bodies?
• 4
  、Why don't cars be HS code-focused compliance auditsproduced with stainless steel
• 5, What kind of steel is the b column of the car? Will it rust?

How to check the strength of automobile steel

1. Check on the official page of the car brand. Semi-trailer beams are generally made of 510L automobile beam steel, with a yield strength of more than 390MP. 510L is a representative product of hot-rolled automotive steel plates, which is mainly used to manufacture automobile longitudinal beams, crossbeams, reinforced beams, bridge shells, bumpers and other important components.

2. You can check the model data released by the car company. Generally, car companies will publish the relevant data of the car on the official website, so we can check the strength of the car body by going to the official website of the car company.

3. It is high intensity. According to the inquiry of Pacific Automobile Network, the steel used in the Corolla body is advanced high-strength steel and ultra-high-strength steel. The minimum value is 340Mpa and the maximum value is 980Mpa.

4. Steel strength is 1000MPa. According to the official website of Autohome, most of the body structure of the imported Audi Q5 is composed of high-strength and ultra-high-strength steel. The strength of the steel is 1000MPa. Under this strength, the body is stronger, which can ensure the safety of the driver in case of an impact.

5. High-strength cast steel: such as 210-180 4) non-rust, corrosion-resistant cast steel, such as CK-20, please refer to relevant books for specific interpretation.

6. By querying the 2021 Honda Xuanwei xrV Configuration information, the body steel strength of the 2021 Honda Xuanwei xrv is level 3, the body steel strength is 1500Mpa, and the proportion of steel reaches 75%, so the body steel strength of Honda Xuanwei xrv2021 is 1500Mpa.

Automotive Steel Quality Defect

1. First of all, BYD Song's body quality problem is one of its fatal shortcomings.

2. The defects caused by the steel strip being scratched by hard objects during cold rolling are usually strip-shaped and parallel to the direction of rolling. Those who are serious can feel the grooves caused by their hands; 2 Because hard objects are mixed in the wool felt in the import and export of the annealing furnace, the steel strip is scratched.

3. There are three reasons for the bursting of the steel rim of the car: one is that the vehicle is seriously impacted by external forces in the process of high-speed driving;Second, the vehicle had a traffic accident, resulting in cracks in the steel rim and was not repaired in time; third, there was a problem with the quality of the hub itself.

4. Surface crack: refers to the linear crack phenomenon on the surface of steel, which should generally be consistent with the direction of forging or rolling.

5. There are three common defects in steel, surface quality defects, internal defects and external size defects. Surface quality defects: The profiler detects various types of surface defects, such as scratches, folding, bumps, pits, wrong rollers, ears, scratches, cracks, etc. can be detected online.

6. The main advantages of steel hubs are simple manufacturing process, relatively low cost and strong resistance to metal fatigue. However, the disadvantages are also obvious, such as heavy weight, large inertial resistance, poor heat dissipation, etc.

What are the types of steel commonly used in automobile bodies?

1, Ordinary carbon steel Ordinary carbon steel has a small scope of application in the car body, and is limited to the production of low-load bracket components. ( 2) High-quality carbon steel can be divided into low-carbon steel, medium-carbon steel and high-carbon steel according to its carbon content.

2. The body panel mainly includes low-carbon steel, high-strength low-alloy steel, dual-phase steel, ultra-high-strength dual-phase steel and ultra-high-strength steel. A. The yield strength of low-carbon steel is generally less than 270MP. B. The yield strength range of low-alloy high-strength steel is generally 300~700MPa. C. The yield strength of duplex steel (DP) is greater than or equal to 800MPa.

3. Cold-rolled thin steel plate for deep stamping. Cold-rolled thin steel plate for deep stamping is mostly calming steel with aluminum deoxygenation, which is a high-quality carbon structural steel.Because it has excellent plasticity and excellent deep stretching characteristics, it is widely used in deep stretching products that require more complex structures.

4. Steel for automobile body structural parts - advanced high-strength steel: the types of high-strength steel plates mainly include: plus Si, Mn, P and other solid-solution reinforced types; plus Nb, Ti, V and other precipitation hardened types; composite tissue type, biphase type and return annealing type, etc.

5. The steel plate for automobile body is mainly made of cold-rolled and hot-rolled thin steel surface treatment steel plate and high-tension steel plate materials with a thickness of 0.6~0mm, while stainless steel plate is used for many decorative accessories.

1. Because these materials are destined to be niche markets, which is the result of market competition. Stainless steel is not suitable for making car bodies. As for the reason, listen to my careful analysis.

2. Stainless steel is not suitable for stamping. After stamping, it will become brittle and easier to break. If it is used in a car, it is very dangerous for the people in the car in case of a collision. And it is not particularly optimistic in use. Because the stainless steel material is too heavy, it directly leads to an increase in the quality of the car body, thus increasing fuel consumption.

3. I don't want to make it anymore. The tensile strength of automotive steel is necessary. As we all know, automobile standards require the steel plate to be transformed into the shape it needs, and "stainless steel" cannot meet this basic requirement. Over time, people have seen his disadvantage, which is not suitable for making cars at all.

4. In addition to the weight, another important reason why stainless steel cannot be used in automobile manufacturing is that it is very expensive. You know, in our daily utensils, as long as it is made of stainless steel, the price will basically be relatively expensive.

What kind of steel is the b column of the car? Will it rust?

1. The B-pillar of the car is made of carbon fiber composite material.The b-pillar refers to the pillar between the front and rear doors of the car. It connects the roof and chassis of the car and plays a crucial role in the strength of the side of the car. When a side collision occurs, the B pillar will bear most of the impact.

2. The a-pillar b-pillar c-pillar of the automobile is made of stamped steel plate or hot-formed steel. The ABC column is the three vertical beams on the car. Each has different uses, and the material will also be different. The outer plate of pillars A, B and C is a whole piece of thin steel plate stamped and formed, and the inner bone is composed of multiple layers of steel sheets welded together.

3. Generally, the B-pillar of cars is made of ultra-high-strength thermoformed steel, which can be said to be the hardest part of the car.

4. Ultra-high-strength steel. Mercedes-Benz GLC can essentially be regarded as a coupe version of GLK.

5. The A-pillar and B-pillar of SAIC Volkswagen Touareg are confirmed to use thermoformed steel.

6. There are several levels of high-strength steel, ultra-high-strength steel, thermoformed steel, etc. As the leader among them, thermoformed steel, its stiffness, bearing capacity, yield, etc. are several times that of ordinary steel. Only the side, AB column and other important parts will choose to use thermoformed steel, in fact A The pillar is the most rigid.

List of the catalogue of this article:

• 1,HS code-focused compliance audits How to check the strength of automobile steel
• 2、
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