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What is the difference between 201 stainless steel plate j1 and j2?

What is the difference between 201 stainless steel plate j1 and j2?

The following is introduced by Wuxi JIANO special steel to you. India is usually called J1 stainless steel. The carbon content is slightly higher than 201, generally about 0.08%. The main difference is that J1 contains copper. About 1.5. J1 is the normal standard 201. J3 and J4 are inferior products, with reduced nickel-chromium content and increased carbon and sulfur content. The price will be cheaper.

Stainless steel brand J1 stands for a steel grade of Baosteel, usually called 201; the names are very different even though the products produced by different steel mills have almost the same composition. Behind the various names, it reflects the embarrassment the industry is currently facing. All these generic 201 are non-international standard products. According to the international standard 201 stainless steel plate, the content of nickel is greater than 3.5 and the content of chromium is greater than 13.5. Currently, the chromium content of J3 products is only about 13%.

The difference between 201 and J1: J1 material is the most widely circulated material in the market. Half of the users will use it in stainless steel door stamping, stainless steel product welding, shallow drawn products, rolling, elbows, dead ends, etc. This is not a problem, but not all steel mills are divided into J series. For example, 201#lh stands for regular 201, which is actually similar to J1 products, and L1 stands for high nickel and high nickel. Regular 201 is about 1 nickel, so L1 is 2-3 nickel. The difference is that it contains high nickel and high copper, which improves rust resistance and tensile properties, but the price difference is thousands of miles, more than RMB 2,000 more expensive than 201#j1 material.

Difference between 201 and J2: The price of J2 material is almost the same as J5, but there is still an overall difference. J2 material is practically fine for simple bending below 1.2, but there is a high possibility of rupture when the thickness exceeds 1.2. However, after the test, users think that J2 and J1 is not much different, but it will become bigger after grinding 8K board. J2 board obviously has more sand eyes, J1 board is much better, so J2 board is only suitable for less demanding process, such as sand extraction, ordinary mirror surface, etc., not recommended.

To sum up, the above is the main content. the biggest difference between J5 board and J2 board is that the hardness is harder than both J1 and J2 board. It is not recommended to use the too hard product as a craft product. The possibility of cracking is high and the plates have relatively more spalling and grit. It is difficult to polish after welding. In fact, it is similar to iron but slightly higher in nickel than J1. The steel is suitable for stainless steel shapes or structures that require high strength, stainless steel decorative tubes, industrial products, stainless steel color plates for the middle market, etc.