Is there any difference between stainless steel 301 and 304?

301 national standard number: 1cr17ni7; 304 national standard is a general-purpose stainless steel, which is widely used in the production of equipment and parts that require good comprehensive performance; 301 stainless steel shows obvious work hardening phenomenon when deformed. Compared with 304 steel, 301 material has more C content, less Cr and Ni content, higher tensile strength and hardness during cold working, no magnetism, and magnetic after cold working.

Difference Between Stainless Steel 301 and 304:

National Standard No. 1Cr17Ni7; 304 national standard number 0cr18ni9.

It is a general-purpose stainless steel, which is widely used to make equipment and parts that require good comprehensive properties (corrosion resistance and formability); 301 stainless steel exhibits obvious hardening phenomenon when deformed, and is used in various occasions that require high strength.

Compared with 304 steel, the material has more C content, less Cr and Ni content, higher tensile strength and hardness when cold, and no magnetism, but it is magnetic after cooling.

National Standard No. 1Cr17Ni7; 304 national standard number 0cr18ni9 is a general-purpose stainless steel, which is widely used in the production of equipment and parts that require good comprehensive performance (corrosion resistance and formability); 301

Stainless steel exhibits significant work hardening when deformed, and is used in a variety of applications that require high strength.

Compared with 304 steel, the material has more C content, less Cr and Ni content, and the tensile strength and hardness increase during cold working, and it is non-magnetic, but it is magnetic after cold working.

301 contains 6-8% nickel, and generally reaches 6 to meet the national standard. The hardness of 301 is slightly harder, and now there are very few standard sizes like 1219 and 1500 widths produced, and are generally common in narrow bands.

Nickel content and **. 301 contains about nickel, and 304 contains about 8%. ** 301 cheaper of course.

304 good. This one is food grade.

Difference Between Stainless Steel 301 and 304:

First, the national standard is marked with different numbers:

301 national standard number: 1cr17ni7; 304 national standard number 0cr18ni9.

Second, the performance is different: spike debate.

304 is a general-purpose stainless steel, which is widely used in the manufacture of equipment and parts that require good comprehensive properties (corrosion resistance and formability); 301 stainless steel exhibits obvious work hardening during deformation, and is used in various occasions that require high strength.

Third, the material is different

Compared with 304 steel, 301 material has more C content, less Cr and Ni content, higher tensile strength and hardness during cold working, and no magnetism, but magnetic after cold working.

304 is a general-purpose stainless steel, which is widely used in the manufacture of equipment and parts that require good comprehensive properties (corrosion resistance and formability); 301 stainless steel exhibits obvious work hardening during deformation, and is used in various occasions that require high strength.

Fourth, the application is different:

304 stainless steel is a common material in stainless steel, with a density of 18 8 stainless steel in the industry. High temperature resistant 800 has the characteristics of good processing performance and high toughness, and is widely used in industry, furniture decoration industry and food and medical industry.

301 is the most susceptible to cold deformation and strengthening of the steel grade, through cold deformation processing can improve the strength and hardness of the steel, and retain enough plastic, toughness, plus the steel has good rust resistance under atmospheric conditions, but the corrosion resistance in the reducing medium is not good, and the corrosion resistance in chemical media such as acid and alkali salts is poor, so it is recommended to be used in corrosive and harsh environments.

The 301 is mainly used in a cold working state for equipment components that are subjected to higher loads and want to reduce the weight of the equipment and do not rust.

Difference Between Stainless Steel 301 and 304:

National Standard No. 0Cr18Ni9,301 National Standard 2113 Standard No. 1Cr17Ni7

Stainless steel has good high temperature resistance, the general use temperature limit is about 650 °, 301 stainless steel, so its corrosion resistance, atmospheric corrosion resistance, and high temperature strength are particularly good, can be used under harsh conditions, non-magnetic.

3. If you want to distinguish the authenticity of the materials you purchase, you must find a regular manufacturer, look at the "Product Quality Certificate" of the material, and you can buy potions for testing.

The simplest way to identify 301 and 304 is that the nickel content of 301 is 6 nickel and the nickel content of 304 is 8 nickel. The carbon content of 301 is higher than that of 304, and these differences are difficult to distinguish, and they need to be tested and processed by an authoritative testing agency.