316l stainless steel chemical composition and product maintenance

Today, I would like to introduce you to 316L stainless steel. Its application area is comparatively extensive. It can be used in many aspects of our life. 316L stainless steel can be used in the watch chain and case of advanced watches. It can also be used in the fields of chemistry and dyes. In general, 316L stainless steel plays a significant role in our lives. Does everyone understand its standards? What are the chemical compositions of 316L stainless steel ? Let's take a look at its characteristics and the chemical composition of 316L stainless steel .

316l stainless steel profile

316L stainless steel is commonly used in heat exchangers for pulp and paper equipment, dyeing equipment, film processing equipment, pipes, materials for building exteriors in coastal areas, as well as bracelets and cases for advanced watches. Equipment for the use of seawater, equipment for production of chemicals, dyes, paper, oxalic acid, and fertilizer; photography, food industry, coastal facilities, ropes, CD rods, bolts, nuts.

316l stainless steel features

1. Its glossiness is particularly good, and it is also quite beautiful, so it will often be used to make surface materials for some of the more refined items.

2. Since 316l contains Mo, its corrosion resistance is also extremely good, and its corrosion resistance is also extremely excellent. So some of the pressure cookers used in our lives are also made with it.

3. After it is processed, it will have a harder and more magnetic nature than the friends, so it can be used in many areas. However, compared with some other stainless steels, the price of 316l is also higher. Therefore, the price of 316l products will also be relatively expensive.

316l stainless steel hardness

316l stainless steel hardness before processing, the hardness is about 28HRC. Compared with aluminum alloy, it is definitely 316 stainless steel. Stainless steel is a viscous material, but it is also a difficult material to process. Because the hardness is changing at any time during the cutting process, the knife is greatly damaged.


316l stainless steel chemical composition

316l stainless steel mainly contains Cr, Ni, Mo and other chemical substances, which means that the three chemical substances account for more. It also contains less than 0.03% of C, less than 0.75% of Si, less than 2% of Mn, less than 0.045% of P, and less than 0.03% of S, as well as other chemical components that are almost incommensurable. The content of Cr, Ni, and Mo is relatively large and varies depending on the type of 316L stainless steel. The Cr content is approximately between 16% and 18%, the Ni content is approximately between 10% and 14%, and the Mo content is between 2% and 3%. Therefore, 316l will have so much performance.

316l stainless steel standard

316L is a stainless steel grade, AISI316L is the corresponding US label, and sus316L is the corresponding Japanese label. China's standard grade is 022Cr17Ni12Mo2 (new standard), and its old grade is 00Cr17Ni14Mo2, which means that it mainly contains Cr, Ni, and Mo.

1. Chemical composition:

Carbon C: ≤ 0.030

Silicon Si: ≤1.00

Manganese Mn: ≤ 2.00

Sulfur S: ≤ 0.030

Phosphorus P: ≤ 0.045

Chrome Cr: 16.00 to 18.00

Nickel Ni: 10.00 to 14.00

Mo Mo: 2.00 to 3.00

2. Corrosion resistance:

316L has a wide range of applications in the chemical industry because of its excellent corrosion resistance. 316L is also a type of 18-8 austenitic stainless steel derived steel with 2 to 3% Mo added. The Mo content of 316L allows the steel to have excellent pitting resistance and can be safely applied to halogen-containing environments such as Cl-. Since the main application of 316L is its chemical properties, the surface inspection requirements of 316L for steel mills are slightly lower (relative to 304). Surface inspections are required for customers with higher surface requirements.

3. Mechanical properties:

Tensile strength σb (MPa): ≥480

Conditional yield strength σ0.2 (MPa): ≥177

Elongation δ5(%): ≥40

Section shrinkage ψ (%): ≥60

Hardness: ≤187HB; ≤90HRB; ≤200HV

Density: 7.98g/cm3;

Specific heat capacity ratio (20°C): 0.502 J/(g*K)


316l stainless steel price

The general price is 60 yuan a kilogram.

Note: This price is for reference only! Due to geographical differences, of course, the price will be different. For more details on the prices, please refer to the local distributors!

Maintenance of 316l stainless steel products

Although it has so many excellent properties, we should still perform certain maintenance on them during normal use.

1. After use, care should be taken to remove the moisture, dust, oil, and lubricating oil remaining on the surface with a dry, felt cloth to avoid rust on their surfaces.

2. Place it in a clean, dry, well-ventilated place. If not used, they should also be kept in their original packaging state. If it is a 316l stainless steel surface with foil, avoid exposing them to sunlight. And regular inspection of the film, if found that the film deterioration, it should be promptly replaced.

Editing summary: The scope of its use is relatively extensive, mainly because it has a lot of good features. Its appearance is relatively beautiful, and its corrosion resistance is relatively good, although the price is relatively high, but the performance is indeed excellent. It can also increase the number of years of use. This is also its advantage. Everyone can experience it after using it.

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