Can 302 stainless steel attract magnets, can 304 stainless steel magnets suck?

302 stainless steel belongs to the American standard austenitic stainless steel, the implementation standard: ASTM A276 A276M-17

The corrosion resistance of 302 stainless steel is the same as that of 304, and the strength is better due to the relatively high carbon content, and it is used as a decorative part for construction.

The chemical composition of 302 stainless steel is shown in the following figure:

Micromagnetic. 302 stainless steel has a long history, stainless steel has good plasticity, toughness and cold workability in the solid solution state, good corrosion resistance in oxidizing acid, water, atmosphere and other media, and has high strength but poor elongation than 301 after cold working. However, in the sensitized state or after welding, it has a tendency to intergranular corrosion, so it is not suitable for welding structural materials.

It has good corrosion resistance for strong oxidizing acids, and has certain corrosion resistance for alkaline solutions and most organic acids. Its corrosion resistance is worse than that of stainless steel containing titanium and niobium and low-carbon 18-8 type.

1. 302 stainless steel corresponding grades: 1. National standard GB-T standard: digital grade:

S30210, new grade: 12Cr18Ni9, old grade: 1Cr18Ni9,2, American standard:

ASTMA Standard: 302, SAE Standard: 30302, UNS Standard:

S30200,3, Japanese standard JIS standard: SUS302,4, German standard DIN standard: ,5, European standard EN standard:

x10crni18-8

X12CRN18-8, French NF standard: Z10CN19-08, British BS standard: 302S25, Sweden: 2331, NTR standard: AU188.

2. Chemical composition of 302 stainless steel: carbon c: silicon si:, manganese mn:, phosphorus p:, sulfur s:, chromium cr:, nickel ni:, molybdenum mo:

Nitrogen n: copper cu: —other elements:

3. Physical properties of 302 stainless steel: density density (20).

kg, melting point: 1398 1120, specific heat capacity(0 100 ) kg (, thermal conductivity w (

100 , thermal conductivity w (

Linear expansion coefficient. 10-6/k)

0~100℃:", linear expansion coefficient (10-6 k).

Resistivity (20).

.mm2 m), longitudinal modulus of elasticity.

20) GPA: 193, Magnetic: None.

4. Mechanical properties of 302 stainless steel: Delivery status: bar cutting solution treatment, hot pressure processing non-solution treatment, plate solution pickling, tensile strength (rm mpa):

520, Elongation strength (:205, elongation a %: 40, section shrinkage (z %):

60。5. 302 stainless steel heat treatment: Hardness HBW: solid solution 187, hardness HRB: 90, heating temperature: 1010 1150, heating method: fast cooling.

302 stainless steel application field: for structural steel and welded parts with low corrosion resistance, such as building exterior decoration, non-magnetic companions and low-temperature device components can also be used.

No. "Stainless steel" is just a general name, the standard name is "acid and alkali resistant steel", stainless steel is a steel product made of chromium, nickel and other metal elements on the basis of ordinary steel, the higher the content of nickel, molybdenum, titanium and other metal elements, the better the quality of stainless steel. The traditional identification method is to use magnet suction, and the smaller the magnetism, the better the quality.

Only chromium contains chrome stainless steel, chromium nickel stainless steel is not attracted by magnets, used in industrial and chemical fields, general household appliances such as microwave ovens, rice cookers, electric water heaters, electric kettles are made of chromium stainless steel, can be attracted by magnets.

Real 302 stainless steel is magnet-free.

Does a magnet attract stainless steelCan stainless steel be attracted by magnets.

If it is an austenitic stainless steel, it cannot be attracted by magnets, because this stainless steel contains a lot of chromium and nickel, which is not magnetic, so it cannot be attracted by magnets. If it is tempered martensitic stainless steel, it can be attracted by magnets, because this stainless steel needs to be heat treated during the production process, so that the stainless steel can be hardened, and during the treatment, the internal structure will be transformed, so that the stainless steel has magnetic conductivity, so it can be attracted by the magnet.

The selection has the word 304.

According to the regulations, all qualified products produced by regular brands need to be printed with the logo of 304 before leaving the factory, so when choosing stainless steel products, it is necessary to choose the logo printed with the words 304, so that stainless steel can meet the standard. If you buy a product that is not printed with stainless steel, it is likely to be a product of substandard quality.

Summary. Dear, hello, I'm glad to answer for you, 304 stainless steel magnet can absorb 1, if it is authentic 304 stainless steel, although it also has iron elements in it, but it is relatively small, with magnets can not be absorbed; However, if it is a product of poor quality, there will be more iron elements, and it can be easily attracted with magnets. Because this kind of stainless steel has poor corrosion resistance, it is also a way to distinguish between the best and the worst by using a magnet to suck 304 stainless steel.

2. Many products in life are made of 304 stainless steel, although there is a certain magnetism, but it shows weak magnetism. Some products are magnetic, such as 316 stainless steel, which has more iron elements, so it will be magnetic. 304 stainless steel magnet is not sucked, if the magnet can be sucked is not 304 stainless steel, some people buy stainless steel products on their own with a magnet to identify the authenticity of stainless steel, generally speaking, food-grade stainless steel products are 304 level, you may wish to think of how to distinguish whether 304 stainless steel is not embroidered when you buy it.

Can a 304 stainless steel magnet be sucked?

Dear, hello, I'm glad to answer for you, 304 stainless steel magnet can absorb 1, if it is authentic 304 stainless steel, although it also has iron elements in it, but it is relatively small, with magnets can not be absorbed; However, if it is a product of poor quality, there will be more iron elements, and it can be easily attracted with magnets. Because this kind of stainless steel has poor corrosion resistance, it is also a way to distinguish between the best and the worst by using a magnet to suck 304 stainless steel. 2. Many products in life are made of 304 stainless steel, although there is a certain magnetism, but it shows weak magnetism.

Some products are magnetic, such as 316 stainless steel, which has more iron elements, so it will be magnetic. 304 stainless steel magnet is not sucked, if the magnet can be sucked is not 304 stainless steel, some people buy stainless steel products on their own with a magnet to identify the authenticity of stainless steel, generally speaking, food-grade stainless steel products are 304 level, you may wish to think of how to distinguish whether 304 stainless steel is not embroidered when you buy it.

Can 304 be demagnetized.

If you want to completely eliminate the magnetism of 304 stainless steel plate, you can restore and stabilize the austenite structure through high-temperature solution treatment (the alloy is heated to a high-temperature single-phase zone and maintained at a constant temperature, so that the excess phase is fully dissolved into the solid solution and then quickly cooled to obtain a supersaturated solid solution), so as to eliminate the magnetism. Specific method: heat the 304 stainless steel plate to about 1050, and quench it with cold water to produce carburizing in the carbide in the 304 stainless steel plate.

This method is suitable for workpieces that need to be heat-treated and after welding.

Normally, 304 stainless steel will not be attracted by magnets. 304 stainless steel, also known as 18 8, is a type of austenitic stainless steel.

Austenitic stainless steels are generally characterized by 16%-26% chromium and less than 35% nickel, usually have the highest corrosion resistance, cannot be strengthened by heat treatment, and are non-magnetic. Typical uses include the aircraft industry, the dairy industry, and the food processing industry.

Summary. Hello dear! 304 stainless steel will have a certain magnetism, depending on the amount of deformation, the strength of the magnet will be different, so it will be attracted by the magnet.

Why is 304 stainless steel attracted by magnets?

Hello dear! 304 stainless steel will have a certain magnetism, depending on the amount of deformation, the strength of the magnet will be different, so it will be attracted by the magnet.

304 is a stainless steel in a metastable state, which belongs to a single austenite microstructure state after annealing, and is not magnetic. However, after cold working deformation (such as stamping, stretching, rolling, etc.), some austenite structures will undergo phase transformation (generally mutagenic to martensite), which will have a certain magnetic properties.

Can a 304 stainless steel magnet be sucked? 1. Stainless steel may be magnetic when its chemical composition fluctuates or the processing state is different due to the smelting process, but this cannot be regarded as a counterfeit or unqualified product; In addition, 304 stainless steel is cold-worked, and the microstructure will also be converted to martensitis, and the greater the cold-working deformation, the more martensitic transformation, and the greater the magnetic property of the steel. 3. On the contrary, the 200 series stainless steel, which is of inferior quality, is likely to be non-magnetic, so it is a big mistake to judge that it is genuine stainless steel.

4. In particular, it should be mentioned that the magnetism of 304 steel always shows weak magnetism. 5. This tells us that if the stainless steel strip is weakly magnetic or not magnetic at all, it should be judged to be 304 or 316 material; If it is the same as the magnetic property of carbon steel, it shows strong magnetism, and the empty coarse is judged to be not 304 material. 6. Extended information:

304 stainless steel is a common material in stainless steel, with a density of g cm3, which is also called 18 8 stainless steel in the industry. 7. Douqin Town has a high temperature resistance of 800, with the characteristics of good processing performance and high toughness, and is widely used in industrial and furniture decoration industries and food and medical industries.

According to Qeeka Home experts, the main elements of stainless steel are iron, chromium and nickel, according to the different content, the quality of stainless steel produced is very different, and 304 stainless steel is one of the better, completely non-toxic, but stainless steel products on the market look the same, everyone is afraid of buying a fake. So, can a stainless steel 304 magnet catch? What should I pay attention to when using stainless steel tableware?

Let's take a brief look at it together.

1. Can stainless steel 304 magnets be absorbed?

No, because the content of chromium and nickel in 304 stainless steel is relatively large, both of which are not easy to be attracted by magnets, so whether it is 304 stainless steel plates or 304 stainless steel finished products, magnets cannot attract them, and you must pay attention to them when purchasing.

Second, what should be paid attention to when using stainless steel tableware.

1. When buying stainless steel tableware, in order to ensure food safety, it is recommended to choose high-quality 304 stainless steel, the reason has been mentioned in the above article, but because there are more similar products on the market, we must master the skills to avoid being deceived by bad vendors of rough celery.

2. Although the corrosion resistance of 304 stainless steel is very superior, if you do not pay attention to the use process, there may still be rust, trachoma, etc., pay attention to if you use stainless steel back to the stool or tableware to load pickles or sauerkraut, the time must not be too long, so as not to corrode the stainless steel.

3. The safety factor of stainless steel is high, but in fact, it cannot be used in many cases, such as when decocting traditional Chinese medicine, because the ingredients in traditional Chinese medicine are more complex, in the heating process, it is easy to have a chemical reaction with the ingredients in stainless steel, resulting in a decrease in efficacy.

4. Now many people want to be convenient, directly put the stainless steel basin on the induction cooker to cook, but this practice is actually wrong, it is very easy to damage the surface of stainless steel, resulting in accelerated aging of stainless steel, and after a long time, there will be rust and other situations.

Summary: The above about whether stainless steel 304 magnets can be absorbed, and what to pay attention to when using stainless steel tableware, I hope it will help you. If you want to know more about related information, please pay attention to Qeeka Home.