Chemical composition of different Cr-Mn stainless steel
1.AISI 316L:
Composition and percentage: C: 0.03 max, Cr: 16.5 18.5, Mn: 2 max, S: 0.03, Si: 0.75, P: 0.045, Ni: 10 - 14, N: 0.10 max
2. AISI 310:
Composition and percentage: C: 0.25 max, Cr: 24 - 26, Mn: 2 max, S: 0.03, Si: 1.50, P: 0.045, Ni: 19 - 22, N: 0.10 max
3. AISI 304:
Composition and percentage: C: 0.08 max, Cr: 17.5 - 19.5, Mn: 2 max, S: 0.03, Si: 0.75, P: 0.045, Ni: 8 - 11, N: 0.10 max
Cr-Mn stainless steel steel is a type of stainless steel developed and widely used in recent years. This kind of stainless steel alloy provides excellent corrosion resistance, excellent oxidation resistance, and better mechanical properties than austenitic stainless steels due to the addition of chromium and manganese in the alloy. It is widely used to produce components in the aerospace, medical and food industries.
Compared with other corrosion-resistant alloys, Cr-Mn stainless steel has excellent stress relief capability and weldability, as well as high strength, fatigue strength, and impact toughness at elevated temperatures. It has a wide range of applications for its good strength and better corrosion resistance than other steels. It is used to manufacture components for industrial sectors such as aerospace, construction, automotive, and oil and gas.
The three most commonly used Cr-Mn stainless steels are AISI 316L, AISI 310, and AISI 304. AISI 316L is a low-carbon Cr-Mn stainless steel with excellent oxidation and corrosion resistance. It is widely used in the chemical, food and petrochemical industries, and has excellent mechanical properties. This steel has excellent weldability and low thermal expansion coefficient.
AISI 310 is an austenitic Cr-Mn stainless steel with high chromium and nickel content. It has excellent corrosion resistance and strength at high temperatures and is widely used in the aerospace, chemical and food industries.
AISI 304 is a type of Cr-Mn stainless steel that has cheap cost, good weldability and high corrosion resistance. It offers good formability, making it suitable for food processing equipment and structural parts.
In conclusion, Cr-Mn stainless steel has a wide range of applications due to its excellent strength and better corrosion resistance than other stainless steel alloys. It is widely used in the aerospace, medical and food industries. The three most commonly used Cr-Mn stainless steels are AISI 316L, AISI 310, and AISI 304.