The meaning of HC1000/1370CH

The “HC” in HC1000/1370CH stands for “High Strength Cold Rolled”. The number “1000” represents the minimum yield strength in megapascals (MPa) that the steel possesses, while “1370” represents the minimum tensile strength in MPa. These values indicate the steel’s ability to resist deformation and withstand applied loads.

The “CH” in HC1000/1370CH stands for “High plasticity complex phase steel”. “High plasticity complex phase steel” refers to a type of steel that exhibits high plasticity, meaning it can undergo significant deformation without fracturing or breaking. It is commonly used in applications that require materials with excellent formability and ductility.

Chemical composition and mechanical properties of HC1000/1370CH

Chemical composition of HC1000/1370CH
C(MAX): 0.30%
Mn(MAX): 3.5%
Si(MAX): 2%

Mechanical properties of HC1000/1370CH
YS(MPa): 1000-1250
TS(MPa): ≥1370
EL(%) ≥6%

What is High plasticity complex phase steel?

High plasticity complex phase steel (CH) is a specialized steel alloy known for its exceptional mechanical properties and microstructure. The primary feature of this steel is its dominant bainite matrix, which contributes to its superior performance. By carefully controlling the precipitation of submicron carbides, engineers can achieve a fine and uniform microstructure in the CH steel.

Compared to traditional multi-phase steels, CH steel exhibits remarkable plasticity, specifically in terms of elongation at break. This means that the material can undergo significant deformation before fracture, making it highly suitable for applications requiring ductility. Additionally, CH steel maintains excellent bending, flanging, and hole expansion properties, further enhancing its versatility and usability.

The high plasticity and enhanced forming characteristics of CH steel make it an ideal choice for structural components in various industries. For instance, it finds widespread application in the manufacturing of door sills and seat slide rails. These parts often require a combination of strength, formability, and durability, all of which are provided by CH steel.

What are the advantages of HC1000/1370CH?

HC1000/1370CH refers to a specific variant of high plasticity complex phase steel. The advantages of HC1000/1370CH include:

High Strength: HC1000/1370CH steel exhibits excellent strength, allowing it to withstand high loads and stresses. This strength is crucial for structural components that require superior mechanical properties.

Superior Plasticity: HC1000/1370CH steel possesses exceptional plasticity, characterized by a high elongation at break. This means that the material can undergo significant deformation before fracture, making it suitable for applications that require ductility and resistance to cracking.

Improved Formability: HC1000/1370CH steel has enhanced formability, making it easier to shape and mold into complex geometries. This attribute is particularly advantageous for manufacturing processes such as bending, flanging, and hole expansion.

Excellent Bending Properties: HC1000/1370CH steel maintains excellent bending properties, allowing it to be formed and shaped without sacrificing its structural integrity. This characteristic is particularly important for applications that involve curved or folded components.

Enhanced Flanging and Hole Expansion: HC1000/1370CH steel exhibits improved flanging and hole expansion properties, enabling it to withstand deformation and expansion without cracking or failure. These attributes are crucial for parts that undergo forming processes involving flanging or the creation of holes.

Application of HC1000/1370CH in Automobile Field

HC1000/1370CH steel finds valuable application in the automobile field, where its unique combination of mechanical properties and formability plays a vital role in enhancing the performance and safety of vehicles. This variant of high plasticity complex phase steel is specifically designed to meet the demanding requirements of structural components in the automotive industry. The HC1000/1370CH steel’s high strength ensures structural integrity and load-bearing capacity, while its superior plasticity allows for increased deformation and energy absorption during impact events. Moreover, the improved formability of HC1000/1370CH enables the production of complex-shaped automotive parts, such as door sills and seat slide rails, with excellent precision and dimensional accuracy. By utilizing HC1000/1370CH steel in these applications, automakers can achieve lightweight designs without compromising on structural strength and durability, contributing to overall fuel efficiency and occupant safety.