27P146M steel FAQS

What is 27P146M steel?

27P146M steel is a cold-rolled oriented electrical steel. Electrical steel is also called silicon steel. It refers to an iron alloy with a silicon content between 0.5% and 10%. It has excellent electromagnetic properties. They are used in transformer cores and electromagnets.

Used in transformers, motors and other types of electrical equipment. Its low loss characteristics, excellent electrical performance and high strength-to-weight ratio make it an attractive choice for applications where space is limited or weight needs to be minimized.

What standard is 27P146M steel?

27P146M steel is a high permeability grain-oriented electrical steel based on the American Society for Testing and Materials standard (ASTMA876M-92).

Corresponding standards of 27P146M steel in various countries:

USA	thickness	Japan	Russi	Germany
ASTM A876M-92	GB2521-96	JSG2553-86	GOST214271-83	M103-27P
27P146M	27QG110	27P110	3408	M103-27P

What are the main properties of 27P146M steel?

27P146M Silicon Steel is an electrical steel specially designed for electrical applications. It is characterized by high purity, low carbon content, and low iron impurity content. 27P146M silicon steel also has excellent magnetic properties and high corrosion resistance.

What is the chemical composition of 27P146M steel?

Cold-rolled grain-oriented silicon steel refers to cold-rolled electrical steel containing 2.9%~3.5% silicon, and the crystal structure of the steel plate has certain rules and directions. Containing not more than 0.08% carbon and may contain not more than 1.0% aluminium, containing other elements in such proportions as not to give them the properties of other alloy steels; not more than 0.56 mm thick; in coil form, it may be of any Width; in the form of a plate, its width is at least ten times its thickness. It generally refers to a single-oriented silicon steel sheet with a Gaussian texture, that is, a silicon steel whose (110) crystal plane is parallel to the rolling surface and [001] crystal direction is parallel to the rolling direction.

The chemical composition range of 27P146M steel is as follows:

Carbon C: 0.04-0.08

Silicon Si: 2.80-3.40

Manganese Mn:0.06-0.12

Sulfur S: 0.020-0.030

Phosphorus P:≦0.010

Aluminum AL: 0.02-0.03

Nitrogen N: 0.006-0.009

What are the mechanical properties of 27P146M steel?

The mechanical properties of steel include yield strength, tensile strength and elongation after fracture. The tensile strength of 27P146M steel: 357-441MPa, and the elongation after fracture is greater than or equal to 10%.

Tensile strength refers to the maximum stress value reached by the material from the beginning to the fracture during the stretching process during steel manufacturing. It indicates the ability of the steel to resist fracture. After the material is broken, the length of its plastic elongation is the same as The percentage of the original sample length is called elongation, or elongation.

What is the loss value of 27P146M steel?

When 27P146M steel loss (1.7T, 50Hz) ≤ 1.11W/kg,

When 27P146M steel loss (1.7T, 60Hz) ≤ 1.46W/kg

What is the density of 27P146M steel?

The theoretical density of 27P146M steel is 7.65g/cm3

What is the thickness of 27P146M steel?

The nominal thickness of 27P146M steel is 0.27mm

What is the number of bends for 27P146M steel?

27P146M steel can be bent up to 20 times

Is 27P146M steel hard enough?

The Vickers hardness of 27P146M steel is 178HV5. The Vickers hardness is based on a load of 49.03~980.7N. The square cone-shaped diamond indenter with an included angle of 136° is pressed on the surface of the material. Angle length, and then according to the formula to calculate the size of the hardness. It is suitable for hardness determination of larger workpieces and deeper surface layers.

What is the lamination coefficient of 27P146M steel?

The lamination coefficient refers to the effective area coefficient of the transformer laminated iron core. The higher the lamination coefficient, the larger the effective area of ​​the iron core, which reduces the magnetic flux density and loss. The minimum stacking factor of 27P146M steel is ≥94.5%.

What is the magnetic induction of 27P146M steel?

The minimum magnetic induction of 27P146M steel is 1.89, and the magnetic induction intensity of 27P146M steel is higher. The volume and weight of the motor and transformer iron cores he manufactured will be relatively small, effectively saving the raw materials of silicon steel sheets.

What is the magnetic permeability of 27P146M steel?

Magnetic permeability is a physical term, which means the physical quantity of magnetic medium. The peak magnetic permeability of 27P146M steel (796A/m) is 1880.

What are the advantages of 27P146M steel?

As the silicon content in the steel increases, the resistivity of the steel also increases. This is due to the increased number of free electrons available to conduct electricity. Therefore, the electrical resistivity of PM silicon steel is much higher than that of unalloyed steel. This characteristic makes them ideal for use in electrical applications that require high resistivity, such as transformers and motors.

In addition to high resistivity, PM silicon steel also has excellent magnetic properties. They are commonly used in transformer cores and other magnetic applications that take advantage of these properties.

What are the disadvantages of 27P146M steel?

27P146M silicon steel has several disadvantages. First, this steel is difficult to weld due to its high carbon content. Second, it is prone to cracking and warping during manufacturing. Third, it is not as strong as other types of steel, so it is more prone to damage during use.

What are the applications of 27P146M steel?

The main application of 27P146M steel is electric motors and generators, where the high magnetic permeability of the material helps to increase the efficiency of the machines. This steel is also used in the manufacture of various transformers, choke coils and other electromagnetic components in the telecommunications and instrumentation industries. Its application has two main characteristics. One is that under the condition of small current or weak magnetic field, the material is required to have high magnetic properties in the range of weak magnetic field, that is, high μ0 value and high B value; another feature is that the frequency of use is relatively low. High, usually above 400Hz, even as high as 2MHz. In order to reduce the eddy current loss and the effective permeability under the alternating magnetic field, a thin strip of 0.05-0.20mm is generally used.

In summary, 27P146M silicon steel is a high-performance material with excellent physical and electrical properties. It has excellent magnetic properties, high resistivity, low coercive force and good thermal conductivity. In addition, it has good deep-drawing properties, making it ideal for a variety of applications. Taken together, these features make the 27P146M an attractive choice for many designers looking to increase product performance.