Characteristics of Baosteel Quenched Ductile Steel HC820/1180QP

Are you looking for high-strength, durable steel to enhance your products in the construction or automotive industries? Baosteel HC820/1180QP is your best choice! This advanced quenched ductile steel offers superior strength and toughness compared to conventional steels. In this blog post, we'll take a deep dive into the properties of this special steel and how it can benefit your business. Get ready to see why the HC820/1180QP is quickly becoming the first choice in a variety of industries around the world!

What is Baosteel high-strength quenched ductile steel?

Baosteel's high-strength quenched ductile steel HC820/1180QP is a new generation of steel developed by Baoshan Iron and Steel Co., Ltd. (hereinafter referred to as "Baosteel"). It is an Advanced High Strength Steel (AHSS) with superior mechanical properties compared to conventional steels.

The unique combination of high strength and excellent ductility makes it suitable for a variety of industries, including automotive manufacturing, construction and industrial equipment production. In particular, this steel grade can be used to make parts that require both light weight and strength.

HC820/1180QP achieves its exceptional properties through an advanced heat treatment process called Quenching and Partitioning (Q&P). The technique involves heating the steel above its critical temperature, then rapidly cooling it in water or oil. The material then undergoes a second heating stage at a lower temperature to form ultrafine structures.

Baosteel HC820/1180QP represents a major breakthrough in material science and engineering. Its exceptional properties allow manufacturers to create lighter weight products without sacrificing strength or durability – something previously thought impossible with conventional steel.

What is the chemical composition of HC820/1180QP quenched ductile steel?

The chemical composition of HC820/1180QP quenched ductile steel includes:

Carbon (C): ≤0.12%

Silicon (Si): ≤0.50%

Manganese (Mn): ≤2.00%

Phosphorus (P): ≤0.030%

Sulfur (S): ≤0.015%

Chromium (Cr): ≤0.30%

Nickel (Ni): ≤0.50%

Copper (Cu): ≤0.20%

Molybdenum (Mo): ≤0.10%

Aluminum (Al): ≥0.015%

Titanium (Ti): ≥0.010%

Among them, this steel may also contain traces of other elements, such as boron (B), vanadium (V) and so on. The contents and proportions of these elements may vary according to the manufacturer and production standards.

Mechanical properties of HC820/1180QP quenched ductile steel

The mechanical properties of HC820/1180QP quenched ductile steel are as follows:

Yield strength: >=820 MPa

Tensile strength: >=1180 MPa

Elongation: >=10%

Reduction of area: >=40%

Impact toughness: >=50 J (-40°C)

It should be noted that HC820/1180QP steel is a high-strength, high-toughness hot-rolled dual-phase steel, and its mechanical properties may vary depending on the manufacturer and production standards. In addition, in order to meet different application requirements, the steel can also be processed and modified. Therefore, before specific use, it is recommended to check the relevant product manual or contact the manufacturer for more detailed information.

Characteristics of HC820/1180QP quenched ductile steel

HC820/1180QP quenched ductile steel has the following characteristics:

High strength and high toughness: HC820/1180QP steel can obtain a high-strength and high-toughness dual-phase structure after the quenching-bainite heat treatment process, and its yield strength can reach more than 820MPa, and the elongation is also well maintained. More than 10%.

Excellent impact toughness: HC820/1180QP steel can still maintain high impact toughness at low temperatures, so it is suitable for cooling equipment and other components used in low temperature environments.

Excellent formability: This steel has good formability and is excellent in forming processes such as die cold stamping.

Good weldability: Due to the stable chemical composition of this steel, it has little effect on welding, and its tensile strength and elongation after welding are good, so it is suitable for structural parts that need to be welded.

In summary, HC820/1180QP quenched ductile steel is a high-performance material with high strength, high toughness, excellent impact toughness and formability, and good weldability.

What is the use of HC820/1180QP quenched ductile steel in automobile manufacturing?

HC820/1180QP quenched ductile steel is widely used in automobile manufacturing, and its main uses are as follows:

Body structural parts: This steel has high strength and excellent impact toughness. It is suitable for the manufacture of important structural parts such as front and rear beams and load-bearing doors of automobiles, and can effectively improve the safety and stability of automobiles.

Parts: HC820/1180QP steel can also be used to manufacture auto parts, such as engine brackets, seat frames, etc. Due to the good formability of the steel and the relatively simple processing technology, the production cost can be effectively reduced.

Cooling equipment: The steel's excellent low-temperature ductility and frost resistance make it suitable for manufacturing cooling equipment, refrigeration systems and other components that need to be used in low-temperature environments.

In short, HC820/1180QP quenched ductile steel is widely used in automobile manufacturing and can provide important support for energy saving, environmental protection, lightweight and safety performance of automobiles.

How to use HC820/1180QP

The use of Baosteel's high strength quenched ductile steel HC820/1180QP can be a game changer for many industries. However, it is imperative to know how to use this steel properly.

First of all, when using HC820/1180QP, we must pay attention to the welding process. Due to the high strength properties of this steel, specific welding techniques and parameters are required. It is recommended that welding experts work with this material or be trained before attempting any welding.

Second, during the design phase, engineers should carefully consider the mechanical properties of the HC820/1180QP. Its excellent formability makes it suitable for parts with complex shapes without compromising its performance.

Third, processing HC820/1180QP after forming operations such as stamping and bending can cause microcracks on the surface, which can cause serious problems. Therefore, the use of appropriate post-treatment methods such as shot peening will help to improve the resistance to fatigue failure.

Due to its superior strength and ductility properties compared to conventional steels, manufacturers must optimize their production processes while paying close attention to quality control measures such as ensuring tolerances at all stages of manufacturing from forming to finishing stages to final inspection precision.

Conclusion

To sum up, Baosteel's high-strength quenched ductile steel HC820/1180QP is a reliable choice for various industrial applications. With its excellent mechanical properties, this steel offers several advantages over conventional steels, including higher strength, better formability and better weldability.

Additionally, the different types of HC820/1180QP provide versatility to engineers and manufacturers looking for material-specific properties. Whether you're looking for enhanced stretch flange performance or optimized weight savings, the HC820/1180QP model has you covered.

If you are looking for a high-performance steel that delivers both superior results and a cost-effective solution - Baosteel's high-strength quenched ductile steel such as HC820/1180QP is your best choice!