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ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service

    Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers
     
    Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers
    • Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers
    • Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers
    • Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers
    • Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers
    • Buy cheap ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service from wholesalers

    ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service

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    Brand Name : TORICH
    Model Number : ASTM B729
    Certification : ISO,SGS,ROHS
    Price : Negotiable
    Payment Terms : L/C, D/A, D/P, T/T, Western Union, MoneyGram
    Supply Ability : 60000 Ton/Tons per Year
    Delivery Time : 20-40days
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    • Company Profile

    ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service

    ASTM B729 Alloy 20: UNS N08020, UNS N08026, UNS N08024 Nickel-Alloy Pipe

    Super Austenitic Stainless Steel Tube for Corrosive Service

    Alloy 20, also known as Carpenter 20, is a nickel-iron-chromium austenitic alloy developed for maximum resistance to acid attack, specifically sulfuric acid. It is a part of the super austenitic stainless steel family, designed to withstand highly corrosive environments. This article delves into the material specifications, key features, chemical composition, mechanical properties, steel grades, applications, and possible alternative grades of ASTM B729 Alloy 20.

    Material Specification

    ASTM B729 is the standard specification for seamless and welded, wrought, nickel-alloy pipes. This specification covers Alloy 20, which is known for its excellent resistance to pitting and chloride ion corrosion, making it suitable for a wide range of applications in the chemical, pharmaceutical, and food processing industries.

    Key Features

    • Corrosion Resistance: Exceptional resistance to sulfuric acid and other aggressive environments.
    • High Strength: Offers good mechanical properties at both ambient and elevated temperatures.
    • Fabrication: Easily fabricated by conventional methods, including welding and machining.
    • Stability: Resistant to stress-corrosion cracking and crevice corrosion.

    Chemical Composition

    The chemical composition of Alloy 20 is crucial for its performance in corrosive environments. The table below outlines the typical composition:

    Element UNS N08020 (%) UNS N08026 (%) UNS N08024 (%)
    Nickel (Ni) 32.0-38.0 34.0-38.0 32.0-38.0
    Chromium (Cr) 19.0-21.0 19.0-21.0 19.0-21.0
    Molybdenum (Mo) 2.0-3.0 2.0-3.0 2.0-3.0
    Copper (Cu) 3.0-4.0 3.0-4.0 3.0-4.0
    Iron (Fe) Balance Balance Balance
    Carbon (C) ≤0.07 ≤0.03 ≤0.07
    Manganese (Mn) ≤2.0 ≤2.0 ≤2.0
    Silicon (Si) ≤1.0 ≤1.0 ≤1.0
    Sulfur (S) ≤0.035 ≤0.035 ≤0.035
    Phosphorus (P) ≤0.045 ≤0.045 ≤0.045

    Mechanical Properties

    The mechanical properties of Alloy 20 are essential for its performance in various applications. The table below provides typical mechanical properties:

    Property UNS N08020 UNS N08026 UNS N08024
    Tensile Strength (MPa) ≥551 ≥551 ≥551
    Yield Strength (MPa) ≥241 ≥241 ≥241
    Elongation (%) ≥30 ≥30 ≥30
    Hardness (HB) ≤217 ≤217 ≤217

    Steel Grade

    Alloy 20 is available in various grades, including UNS N08020, UNS N08026, and UNS N08024. Each grade offers specific advantages depending on the application requirements, such as enhanced corrosion resistance or improved mechanical properties.

    Application

    Alloy 20 is widely used in industries where resistance to sulfuric acid and other aggressive chemicals is crucial. Typical applications include:

    • Chemical processing equipment
    • Pharmaceutical manufacturing
    • Food processing
    • Petrochemical plants
    • Storage tanks and piping systems

    Possible Alternative Grades

    While Alloy 20 is highly effective for corrosive environments, alternative grades may be considered based on specific requirements:

    • Hastelloy C276: Offers superior resistance to a wide range of chemicals.
    • Inconel 625: Known for its high strength and resistance to oxidation.
    • 316L Stainless Steel: A cost-effective alternative for less demanding environments.

    TORICH Group, an one-stop service provider of raw materials engaged in raw material production, R&D and
    trade, has 30+ years of experience in the market, exported to 56 +countries, and won good reputation and
    credibility among domestic and foreign customers.
    The company's production plant covers an area of over 10,000 square meters, with an annual production
    capacity of 50,000 tons of materials and a comprehensive trading and warehousing capacity of 100,000 tons, which can satisfy customers' personalized needs for raw materials in terms of diversity and timeliness.
    The group holds shares in more than ten domestic production entities, whose main products include
    seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
    Over the past 30 years, the company has been gradually developing new technologies and materials to meet
    the growing needs of customers and various diversified needs, exporting to more than 56 countries and still
    increasing the number of exporting countries, aiming to help customers to solve the demand for raw materials, and to facilitate one-stop purchasing for customers.

    Q: Are you trading company or manufacturer ?

    A: manufacturer,also can do trading.

    Q: How long is your delivery time?

    A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.

    Q: Do you provide samples? is it free or extra ?

    A: Yes, we could offer the sample for free charge but need pay the cost of freight.

    Q: What is your terms of payment ?

    A: Payment<=2000USD, 100% in advance. Payment>=2000USD, 30% T/T in advance ,balance before shippment.

    If you have another question, pls feel free to contact with me.

    Product Tags:

    Super Austenitic Stainless Steel tube

      
    Quality ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service for sale

    ASTM B729 Alloy 20 N08020 Nickel-Alloy Pipe Super Austenitic Stainless Steel tube For Corrosive Service

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    TORICH INTERNATIONAL LIMITED
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