SPFH590 Steel FAQS

What is SPFH590 steel?

SPFH590 is a high strength hot rolled steel in the form of plates, sheets & strips for automobile structural applications. The SPFH590 steel is produced under Japanese standard JIS G3134. SPFH590 is a kind of hot-rolled high strength steel with good plasticity, toughness and weldability. It is widely used in various fields such as automobile manufacturing, electrical appliances, construction materials and so on.

What is the composition of SPFH490 Steel?

The chemical composition of SPFH590 steel is given in the table below.

Element % Content (by mass)

Carbon 0.12-0.18

Manganese 0.40-0.70

Silicon 0.15-0.35

Sulphur <0.030

Phosphorus <0.030

Aluminium <0.020

tensile strength: 550-700 MPa

What are the properties of SPFH590 steel?

SPFH590 is a high-strength hot-rolled steel sheet with good weldability and formability. It is often used in automotive Structural applications such as frames and reinforcement members. The following sections will discuss the properties of SPFH590 steel in more detail.

Are there any differences between SPFH590 and other steels?

SPFH590 is a high strength steel with good ductility and weldability. It is often used in automotive parts where weight reduction is important. SPFH590 has a higher tensile strength than other steels, such as SAE J2340, but it is not as strong as some of the more advanced high strength steels.

SPFH590 is made using an hot forming process, which gives it a higher formability than other steels. The hot forming process also makes the steel easier to weld. SPFH590 can be welded using any standard welding process, such as MIG welding or TIG welding.

SPFH590 is usually supplied in the form of coils or sheets. It can be cut and formed into various shapes and sizes.

What are the advantages of SPFH590 steel?

SPFH590 steel is a high-strength, low-alloy steel that has been specifically designed for use in the automobile industry. This type of steel is composed of iron and carbon, as well as small amounts of other alloying elements such as manganese, molybdenum, and vanadium. The addition of these elements results in a steel that is stronger and more resistant to wear and tear than other types of steel.

One of the biggest advantages of SPFH590 steel is its high strength-to-weight ratio. This means that the steel is strong enough to provide support for heavy loads while still being lightweight enough to be used in smaller vehicles. Additionally, SPFH590 steel is highly weldable and can be easily joined together using common welding techniques. This makes it an ideal material for use in the construction of automobiles and other large metal structures.

Another advantage of SPFH590 steel is its resistance to corrosion. The presence of alloying elements such as vanadium helps to protect the steel from rust and other forms of corrosion. This makes it an excellent choice for use in cars and other vehicles that are exposed to harsh weather conditions or frequently come into contact with salt water.

Overall, SPFH590 steel provides a number of advantages over other types of steels thanks to its unique composition. It is strong yet lightweight, weldable, corrosion-resistant, and able to withstand heavy loads.

What are the disadvantages of SPFH590 steel?

There are a few disadvantages of SPFH590 steel to consider before using it for your next project. One disadvantage is that it isn’t as strong as some other steels, so it may not be the best choice for projects that require a lot of strength. Additionally, SPFH590 steel is more expensive than some other types of steel, so it may not be the most cost-effective option.

How is SPFH590 steel made?

SPFH590 steel is made by first hot rolling the steel to achieve the desired thickness and dimensions. The hot-rolled steel is then heat treated to improve the properties of the final product. Finally, the steel is cold worked to improve the formability and surface finish.

Are there any different types of SPFH590 steel?

There are three types of SPFH590 steel, each with different properties:

  1. JIS G3134 SPFH590 Extra Deep Drawing Quality Steel: This type of steel is used for making deep drawing parts such as auto parts and electrical appliances. It has good formability and weldability.
  2. JIS G3134 SPFH590 Hot Rolled High Strength Steel: This type of steel is used for making parts that require high strength and good weldability. It has excellent mechanical properties.
  3. JIS G3134 SPFH590 Cold Rolled High Strength Steel: This type of steel is used for making parts that require high strength and good formability. It has excellent mechanical properties and is easy to process.

The Manufacturing Process of SPFH590 Steel

The first step in the manufacturing process of SPFH590 steel is to create the basic shape of the steel. This is done by melting iron ore and other materials in a furnace, and then using a basic oxygen furnace (BOF) to create the desired shape.

Once the basic shape has been created, it is then placed in a reheat furnace where it is heated to around 2,000 degrees Fahrenheit. After being heated, the steel is then cooled rapidly in order to increase its strength.

Once the steel has cooled, it is then passed through a series of rollers which help to give it its final shape. Finally, any remaining impurities are removed from the steel and it is ready for use.

How to weld SPFH590 steel?

SPFH590 is a kind of hot-rolled high strength steel plate,which has good plasticity,weldability and impact toughness.It is usually used in automotive industry to make the car frame and wheels.If you want to weld SPFH590 steel,you need to use the electrode E11018-G or ER100S-G.The welding current should be between 40~80A.