1Cr12Ni2WMOVNB chemical element composition content (%)
With the continuous development of industrialization, the application of stainless steel materials is becoming more and more extensive. 1Cr12Ni2WMOVNB is a high-performance, high-strength stainless steel material with excellent corrosion resistance and mechanical properties, which is widely used in manufacturing chemical, marine, aviation, nuclear power and other fields.
1. Introduction of all parameters.
1Cr12Ni2wmovnb is mainly composed of the following components:
c：0.08-0.15%
si：≤1.00%
mn：≤1.00%
p：≤0.035%
s：≤0.030%
cr：11.50-13.50%
ni：1.50-2.50%
mo：0.30-0.80%
v：0.15-0.35%
nb：0.10-0.30%
n：≤0.030%
2. Problems encountered in use.
During the use of 1Cr12Ni2wmovnb, you may face the following problems:
1.Reduced corrosion resistance: When the surface of stainless steel is abrasion, contamination, water accumulation and oxidation, etc., it can lead to corrosion on the surface of stainless steel.
2.Brittle transition: Under conditions such as high and low temperatures, and excessive heat treatment, stainless steel will undergo brittle transitions, leading to damage.
3.Welding problems: When welding stainless steel, it is necessary to pay attention to the selection of appropriate welding materials and welding processes, so as not to affect the performance of stainless steel.
3. Metallographic structure and material structure.
The metallographic structure of 1Cr12Ni2WMOVNB is mainly martensite and a small amount of austenite, which has high hardness and excellent wear resistance. The material structure is mainly ferritic-martensitic duplex stainless steel structure.
4. Characteristics and mechanical properties.
1Cr12Ni2wmovnb has the following characteristics:
1.Good corrosion resistance.
2.High strength and high hardness.
3.Excellent abrasion resistance.
4.High temperature strength and oxidative corrosion properties.
The mechanical properties mainly include the following indicators:
1.Yield strength: 835MPa
2.Tensile strength: 1275MPa
3.Elongation: 10%.
4.Impact toughness: 50j
5. Plates, round bars, forgings, seamless pipes and forging rings.
1Cr12Ni2WMOVNB is mainly used in the manufacture of the following products:
1.Plates: can be used to manufacture containers, storage tanks, pipelines, etc. in the fields of chemical industry, marine, aviation, nuclear power, etc.
2.Round bar: It can be used to manufacture mechanical parts, bearings, auto parts, etc.
3.Forgings: can be used to manufacture high-strength, high-hardness shaft parts, aircraft parts, automobile engine parts, etc.
4.Seamless pipes: can be used to manufacture high-pressure pipelines, boiler pipes, etc. in the fields of chemical industry, marine, aviation, nuclear power and other fields.
5.Forging rings: can be used to manufacture high-temperature, high-pressure, high-strength shaft parts, aircraft parts, etc.
6. Experimental methods and conclusions.
The experimental methods of 1Cr12Ni2WMOVNB mainly include metallographic structure analysis, mechanical property test, corrosion resistance test, etc. Through the analysis of experimental data, the following conclusions can be drawn:
1.1Cr12Ni2WMOVNB has high strength, high hardness, excellent wear resistance and corrosion resistance.
2.The metallographic structure of stainless steel is mainly martensite and a small amount of austenite.
3.The mechanical properties of stainless steel have reached international standards, and it is suitable for the manufacture of high-strength and high-hardness parts.
7. The difference between casting and forging, and the smelting process.
The difference between casting and forging of 1Cr12Ni2WMOVNB lies in the manufacturing process and finished product performance. The casting process is suitable for manufacturing larger and more complex parts, and the performance of the finished product is relatively poor; The forging process is suitable for manufacturing high-strength and high-hardness parts, and the finished product performance is relatively good.
The smelting process of stainless steel mainly includes medium frequency induction melting, arc melting, vacuum melting, etc. Medium frequency induction melting is suitable for small steel production, arc melting is suitable for large steel production, and vacuum melting is suitable for high-quality steel production.
8. How to cold roll, hot roll and cold draw? How about electroslag and electric furnaces?
Cold rolling, hot rolling, and cold drawing of stainless steel are common processing methods. Cold rolling is suitable for manufacturing thin plates, filaments and other products, hot rolling is suitable for manufacturing plates, round bars and other products, and cold drawing is suitable for manufacturing small diameter, high-precision seamless pipes and other products.
Electroslag and electric furnace for stainless steel are important processes for smelting stainless steel. Electroslag melting is suitable for smelting large quantities of waste materials, and electric furnace melting is suitable for smelting small batches of high-quality steel. In the smelting process, it is necessary to pay attention to controlling the melting temperature, melting time and melting composition to ensure the quality of the product.
In summary, 1Cr12Ni2WMOVNB is a high-performance, high-strength stainless steel material with excellent corrosion resistance and mechanical properties. In the manufacture of parts in the chemical, marine, aviation, nuclear power and other fields, different processing methods and smelting processes can be selected according to different application scenarios to ensure the quality of products.