CR260LAD+Z is a high-strength low-alloy steel, also known as hot-dip galvanized steel. This steel has high strength, high plasticity and excellent corrosion resistance, and is often used in fields such as automobiles, electrical appliances, construction and mechanical equipment.

The main components of CR260LAD+Z steel are elements such as iron, carbon, silicon, manganese and aluminum, among which the high content of aluminum can improve the corrosion resistance and oxidation resistance of the steel. In addition, this steel is hot-dip galvanized, and the surface coating can prevent the steel from being oxidized and corroded.

What is the chemical composition of CR260LAD+Z high strength low alloy steel?

The chemical composition of CR260LAD+Z steel is usually as follows:

Carbon (C): 0.08% max

Manganese (Mn): 2.00% max

Silicon (Si): 1.00% max

Phosphorus (P): 0.025% max

Sulfur (S): 0.015% max

Aluminum (Al): 0.015%-0.065%

Other elements: chromium (Cr), molybdenum (Mo), nickel (Ni) and other trace elements.

What are the properties of CR260LAD+Z high strength low alloy steel?

The properties of CR260LAD+Z high-strength low-alloy steel mainly include the following aspects:

High strength: The yield strength of CR260LAD+Z steel is usually above 260 MPa, and the tensile strength can reach above 350 MPa, which has high strength.

Good plasticity: CR260LAD+Z steel has good plasticity during stretching, and its elongation is usually above 35%.

Excellent corrosion resistance: The surface of CR260LAD+Z steel is hot-dip galvanized, which has excellent corrosion resistance and can prolong the service life of the steel.

Good weldability: CR260LAD+Z steel has good weldability and can be connected and repaired by conventional welding methods.

Good toughness at low temperature: CR260LAD+Z steel still has good toughness in low temperature environment, suitable for occasions working in low temperature environment.

Good processing performance: CR260LAD+Z steel is easy to cold and hot forming, and can be processed by shearing, stamping, bending and other methods.

How about the hardness of CR260LAD+Z high-strength low-alloy steel?

The hardness of CR260LAD+Z high-strength low-alloy steel is usually between 150-220 HB. Hardness is a steel’s ability to resist scratches, dents and abrasions and is often used as a measure of steel’s durability. The hardness of CR260LAD+Z steel depends on the chemical composition of steel, heat treatment process and cold working process and other factors. In some special applications, CR260LAD+Z steel needs to be quenched, tempered and other heat treatments to improve its hardness and strength.

What is the welding performance of CR260LAD+Z high-strength low-alloy steel?

The welding performance of CR260LAD+Z high-strength low-alloy steel is generally good, and it can be connected by common arc welding, gas shielded welding, laser welding and other methods. However, it should be noted that since the composition of CR260LAD+Z steel contains trace elements such as aluminum and silicon, certain precautionary measures need to be taken during the welding process to avoid welding defects such as pores and cracks. It is recommended to pre-treat the steel before welding, such as cleaning, degreasing, and deoxidizing, control the welding temperature and welding speed, select suitable welding electrodes and welding materials, and carry out subsequent heat treatment and surface treatment on the weld to ensure welding Quality and reliability of joints.

How is CR260LAD+Z high strength low alloy steel manufactured?

CR260LAD+Z high strength low alloy steel is manufactured by hot rolling process. Its manufacturing process generally includes the following steps:

Raw material preparation: Iron ore and other raw materials are made into steel ingots through high-temperature smelting and converter refining in steelmaking plants.

Hot rolling: the steel ingot is heated to an appropriate temperature, and the steel is processed into the required shape and size through a series of roller pressing, stretching and cooling processes.

Pickling and Coating: To remove oxides and surface contaminants produced during hot rolling, the steel sheet is pickled and then coated with a zinc or aluminum-zinc alloy coating to improve its corrosion resistance.

Processing and finished product manufacturing: After cutting, stamping, bending, welding and other processes, the steel is made into various finished products such as automobile components, mechanical parts, and building materials.

Is CR260LAD+Z high strength low alloy steel galvanized?

CR260LAD+Z high-strength low-alloy steel galvanizing can improve the corrosion resistance of steel, because zinc has good anti-corrosion performance, and can form a zinc layer on the steel surface to isolate and protect the steel. In addition, the zinc layer can increase the surface hardness and coating adhesion of steel, and improve the comprehensive performance of steel. Therefore, CR260LAD+Z high-strength low-alloy steel is usually galvanized to improve its corrosion resistance and service life.

CR260LAD+Z high-strength low-alloy steel is generally used for what parts of the car?

CR260LAD+Z high-strength low-alloy steel is usually used in automotive structural parts, such as body, chassis, doors and other parts. Due to its high strength, excellent formability and welding performance, it can ensure sufficient structural strength and safety performance while ensuring vehicle weight reduction. At the same time, the galvanized CR260LAD+Z high-strength low-alloy steel can improve its corrosion resistance and prolong the life of the car body.

What are the uses of CR260LAD+Z high strength low alloy steel?

In addition to automotive structural parts, CR260LAD+Z high-strength low-alloy steel has the following uses:

Steel structure engineering: CR260LAD+Z high-strength low-alloy steel is widely used in steel structure engineering such as buildings and bridges because of its high strength and good corrosion resistance.

Home appliance manufacturing: CR260LAD+Z high-strength low-alloy steel can also be used in home appliance manufacturing, such as the shell and parts of refrigerators and washing machines.

Electronic products: CR260LAD+Z high-strength low-alloy steel can also be used to produce casings and accessories of electronic products, such as computers and mobile phones.

Other fields: CR260LAD+Z high-strength low-alloy steel can also be used in the manufacture of water treatment equipment, industrial pipelines and oil tanks.

Contact us

If you need to purchase high-quality CR260LAD+Z steel, our company will be a very good choice. We have advanced production equipment and a high-level technical team, which can ensure that the CR260LAD+Z steel we produce has excellent mechanical properties, excellent surface quality and excellent processing performance. We can also provide you with tailor-made products and services according to the specific needs of customers to meet your different needs. Feel free to contact our customer service team, we will serve you wholeheartedly.