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Is 201 stainless steel good? Applications and basic parameters

Stainless Steel AISI201 Also known as 201 stainless steel, this is a material line with a similar structure to 304 stainless steel, often commonly used in life. The shares in the following article will help you better understand this material.

Stainless steel (stainless steel) 201
Stainless steel (stainless steel) 201 (Source: freepik.com)
1

What is stainless steel 201? Characteristics of 201 stainless steel

Stainless Steel AISI201 is an Austenitic stainless steel, whose main chemical composition is Manganese and Nitrogen with low Nickel content. Discovered in the 1930s, this is a mid-range material that often replaces traditional stainless steel.

This material possesses all the characteristics of stainless steel such as anti-corrosion, heat resistance, smoothness, shine and high durability. In essence, the content of chemical elements in the structure of stainless steel 201 Different from other types of stainless steel, their properties are also somewhat different.

201 stainless steel has anti-corrosion and high durability properties
201 stainless steel has anti-corrosion and high durability properties (Source: freepik.com)
2

Basic parameters of stainless steel 201

Below are the basic parameters of the 201 stainless steel series:

Chemical composition table of stainless steel 201

Carbon 0.15%
Crom 16.0 - 18.0%
Niken 3.5 - 5.5%
Manganese 5.50 - 7.50%
1.0%
Nitrogen 0.25%
Phosphorus 0.060%
Sulfur 0.030%

Mechanical properties table

Yield strength, minimum (ksi) 45
Tensile strength, minimum (ksi) 95
Elongation, min (%) 40
Hardness, max (Rb) 100

Some requirements for cold-worked flat-rolled materials are as specified in ASTM A666.

Status Yield strength (ksi) min Minimum tensile strength (ksi). Minimum % elongation in 2 inches
<0,015 inches ≥0,015 inches
¼ hard 75 125 25 25
½ hard 110 150 15 18
¾ Hard 135 175 10 12
Challenge 140 185 8 9

Physical properties table of 201 stainless steel

Density, lb/in3 0,283
Modulus of elasticity, psi 28,6x10^6
Coefficient of thermal expansion, 68-212˚F, /˚F 9,2x10^-6
Thermal conductivity, Btu/ft hour ˚F 9,4
Specific heat capacity, Btu/lb ˚F 0,12
Resistivity, Microohm-in 27,0

Some current standards of the 201 stainless steel series are: ASTM A240, ASTM A666, ASME SA240,...

Note: The above basic parameters are for reference only and may change from time to time or according to different manufacturing units.

3

Advantages and disadvantages of stainless steel 201

201 stainless steel plates are increasingly popular thanks to many outstanding advantages. One of the outstanding advantages of this material is its affordable price compared to many other stainless steel lines. However, this type of stainless steel still has good corrosion resistance, long-term durability and can be exposed to areas with high humidity. Therefore, this has become the top choice for cost-saving applications, typically structural parts, machinery, etc.

Stainless steel 201 is an affordable material used to make machine parts
Stainless steel 201 is an affordable material used to make machine parts (Source: freepik.com)

201 stainless steel also has high flexibility, we can easily adjust and manufacture materials into different shapes and sizes through many processing methods. With unique advantages, this type of stainless steel has become a popular material in today's life.

Besides its outstanding advantages, this material also has a few other limitations such as lower corrosion resistance, hardness and magnetism compared to many other stainless steel lines.

4

4 common applications of 201 stainless steel

Below are common applications of stainless steel 201:

  • Automotive components: 201 stainless steel is used to make exhaust systems and decorative vehicle parts because this material can withstand harsh environments.
  • Furniture: This type of stainless steel is highly durable and easy to clean, so it is often made into kitchen appliances such as sinks,... or interior items such as cabinets, tables and chairs,...
Apply 201 stainless steel to make indoor sinks
Application of 201 stainless steel as indoor sink (freepik.com)
  • Building materials: This material has good corrosion resistance, so it is increasingly popular in construction structures such as doors, stairs, railings, 201 stainless steel mesh for fences, 201 stainless steel folding gates, decorative stainless steel brace,…
Use stainless steel for interior decoration
Using stainless steel for interior decoration (Source: Internet)
  • Jewelry: Possessing high gloss and durability, 201 stainless steel is also one of the perfect choices in the field of jewelry making.
5

Top Q&A

Is 201 stainless steel toxic?

Stainless steel does not contain toxic ingredients, so it is extremely safe for human health and environmentally friendly.

Is 201 stainless steel safe for cooking?

The composition of the material has been tested to be non-hazardous, so we can use 201 stainless steel products in daily life.

201 stainless steel is a safe material that can be used for everyday cooking
201 stainless steel is a safe material that can be used for everyday cooking (freepik.com)
What temperature can 201 stainless steel withstand?

201 stainless steel is a material line that can withstand quite high temperatures in the range of 1400 - 1450°C, equivalent to stainless steel 304.

Can 201 stainless steel be welded?

Possessing good shaping properties, we can weld, process and produce 201 stainless steel into many different shapes.

Above are the sharing about stainless steel 201, hope the article will be useful and bring readers a lot of good knowledge.

References:
  1. https://rolledmetalproducts.com/stainless-steel-type-201/
  2. https://www.linkedin.com/pulse/why-choose-201-stainless-steel-jun-zhou
  3. https://www.linkedin.com/pulse/what-differences-between-304-stainless-steel-201-jun-zhou
  4. https://www.linkedin.com/pulse/what-201-stainless-steel-jun-zhou
  5. https://inoxdaiduong.com/inox-201/
  6. https://inoxtrungthanh.vn/inox-201-co-bi-gi-khong-uu-diem-inox-201/
  7. https://inoxkimvinhphu.com/tin-tuc-inox/inox-201-la-gi/#Phan-biet-inox-201-va-inox-304

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