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Alloy 20 material is known for its composition, resulting in enhanced mechanical properties, high corrosion resistance, ease of production, etc. Given its extensive properties, flange fittings made of alloy 20 metal find applications in multiple industries. Moreover, these flanges are also affordable, increasing their demand. The following article explains the benefits of alloy 20 flanges and their applications.
What are Alloy 20 flanges?
Alloy 20 flanges consist of nickel, molybdenum, nickel, columbium, and copper. This alloy combination has the following physical properties:
· Minimum tensile strength: 551 MPa
· Minimum yield strength: 241 N/mm2
· Density: 8.05 g/cm3
Given its chemical composition and physical properties, you can expect benefits like high pitting resistance, chloride stress corrosion cracking resistance, corrosion resistance over 316 stainless steel, and affordability.
What are the types of Alloy 20 flanges?
Alloy 20 flanges find application in different industries per their designs. Following are some of the types of Alloy 20 flanges:
- Weld neck flanges
- Socket weld flanges
- Slip-on flanges
- Blind flanges
What are the advantages of Alloy 20 flanges?
Alloy 20 flanges are used in petrochemical processing, chemical processing, food processing, and water treatment plants due to their following benefits:
- Sulfuric Acid Resistance:
Alloy 20 flanges are noteworthy for their chemical and mechanical properties. These flanges have high corrosion resistance, making them useful in applications with chemical mediums. These flanges are known as ‘super stainless steel’ and are applied in the power generation sector, flu-gas desulfurization, metal cleaning machinery, flue-gas scrubber materials, etc.
The pipe fitting flanges have high stress-corrosion cracking resistance in nitric acid, chloride, and sulfuric acid. This alloy also works well with usage involving phosphoric acid. Alloy steel flanges have crevice and pitting resistance in chloride media. It also has high mechanical strength and allows stabilization using columbium. Thus, it finds usage in valves, agitators, mixing tanks, and the pharma and food sector.
- Chloride Stress Corrosion Cracking Resistance
Stainless steel is available in multiple material grades like alloy 20 flanges. These flanges can be used in nitric acid medium and surroundings with chloride stress corrosion cracking. This alloy provides crevice, pitting, intergranular, and corrosion resistance, making it perfect for multiple applications. Moreover, this alloy also offers excellent oxidation resistance.
Alloy 20 flanges thus find application in the nuclear energy sector, hydrochloride acid (HCL) production, food and chemical processing, and synthetic rubber manufacturing.
What are the Applications of Alloy 20 Flanges?
Stainless steel flange of grade Alloy 20 finds extensive industrial applications as they have high corrosion resistance. This alloy can be used for making extensive pipe fitting accessories like valves, agitators, pipe fittings, etc. Moreover, the flange material also contains carbon and niobium, making it perfect for avoiding issues like intergranular corrosion and sensitization. Some of the notable applications of these pipe-fitting flanges involve the following:
· Chemical processing:
· Petrochemicals
· Pharmaceutical
· Food and beverage production
· Pulp and paper processing
· Oil and gas extraction
How can you choose the right pipe flange fittings?
One can choose stainless steel flanges by paying attention to the following factors:
· Pressure ratings
· Type of end connection
· Fitting type
· Surrounding
· Material standards
When unsure about selecting the right pipe flange fittings, consult experts at reputed stainless steel pipe fitting manufacturers in India, like Doshi Impex India. The experts at the company aid you in selecting the right flange fitting per application. They help you choose the flange design, size, material grade, pressure and temperature allowance, and quantities.
Final thoughts
Alloy 20 flanges find extensive application. To source high-quality flanges, consult experts at Doshi Impex India, a leading pipe fittings manufacturer in India. Their products undergo extensive testing, from material selection to packaging. The hydraulic pipe fittings undergo testing at every stage. Explore their stainless steel pipe fittings and S.S. fasteners on their website today!