ML45 cold heading steel

AISI 4145H Cold Drawn Steel

AISI 4145H cold drawn steel is a type of low alloy, medium carbon steel that has a high tensile strength and offers excellent machinability. This type of steel is commonly used for producing components that require size and surface accuracy, as well as for applications in which increased fatigue strength is important. AISI 4145H cold drawn steel is available in round, hexagonal and square forms. The typical tensile strength of this type of steel is around 420 to 690 MPa, depending on the heat treatment applied.

AISI 4145H cold drawn steel is used in a number of different industries, including automotive, agricultural, construction, electrical and furniture. This steel is a popular choice for many types of components such as gears, shafts, bearings and tools, as it can be developed into a broad range of shapes, profiles and sizes.

AISI 4145H cold drawn steel offers a number of advantages over other types of steel and other metals. It has excellent machinability and good surface finish. This steel is also known for its high resistance to corrosion and abrasion, as well as its excellent fatigue strength. In addition, this type of steel has ductility and impact strength that is comparable to many alloy steels.

AISI 4145H cold drawn steel is also used in the production of components that require high stress capabilities, such as those found in valve components. This type of steel is used for applications involving tolerance stack-up assemblies, as it has excellent conformity to a range of materials. In addition, this steel can be readily anodized for increased wear resistance.

When it comes to the production of components from AISI 4145H cold drawn steel, the method of production plays a significant role in determining the size, shape and strength of the finished product. Cold drawing is a common method of producing AISI 4145H cold drawn steel components. This method involves subjecting pre-heated steel billets to a drawing machine that stretches, squeezes and forms the billets into the desired shape and size. This process provides the greatest degree of control over the characteristics of the finished product, as the steel is left in its cold-drawn state.

Overall, AISI 4145H cold drawn steel offers a combination of strength, machinability and fabricated surface finish that is difficult to find in other materials. This type of steel is an excellent choice for a wide range of applications and industries, and is well suited for production processes that require tight tolerances and high stress components.

45 cold heading steel is basically quenched and tempered high-quality carbon steel, and the carbon content of this steel is 0.45%. It shows excellent mechanical properties, such as good plasticity, toughness and weldability, as well as high strength and fatigue resistance.

This steel is characterized by high strength and cleanliness, and is used for cold heading parts with general specification and small quantity production, such as screws, rivets, nuts and small parts with complex shape.

In general, the process of producing 45 cold heading steel is as follows: smelting-continuous casting-cold rolling-annealing-pickling-cold rolling-heat treatment-water quenching-tempering-finishing-packing.

The mechanical properties of the 45 cold heading steel are customized in order to meet the requirements of the user. Generally, the tensile strength of this steel ranges from 1250 MPa to 1436 MPa, while the max. yield point is 1160 MPa. Good cold-heading plasticity is another feature of 45 cold heading steel.

Due to its excellent properties, 45 cold heading steel can be used in various cases in industries such as automotive, electronic, construction and machinery manufacturing. Its applications include fasteners, springs, shaft bushing and machined parts.

To ensure the properties of this steel, a careful selection of raw materials, strict control of the production process, and proper heat treatment process are necessary. In addition, visual inspection, mechanical performance test and ultrasonic flaw detection are necessary to take control of the products.