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AISI 316N Stainless Steel Chemical Composition & Properties, Grades, Tables and Pdf

AISI 316N belongs to the group of austenitic steels which is distinguished for its excellent corrosion resistance and high tensile strength. One of its celebrated chemical qualities is the presence of chromium, nickel, molybdenum, and nitrogen in high amounts. Moreover, typically the alloy comprises of about 16-18% chromium, 10-14% nickel, 2-3% molybdenum, and 0.08-0.18% nitrogen. This alloy has also demonstrated high corrosion resistance under conditions of chloride ions, thanks to its composition, which made it very suitable for applications where marine environment and chemical processing equipment are involved such as salt water, acidic and alkaline conditions. AISI 316N is frequently specified since it has the good weldability and formability than the other materials enabling the industrialist in diverse manufacturing processes. The complete grades with the full chemical composition table and chart has been provided in different file formats namely, PDF to reference and also implement amongst various type of industries.

AISI 316N Austenitic Stainless Steel Chemical Composition And Grade Table

The chemical compositional diagram for AISI 316N austenitic stainless steel generally features the major elements of iron (Fe), chromium (Cr), nickel (Ni), molybdenum (Mo), as well as nitrogen (N). All these things are very important and are done in balance with each other to finally get best performance while different percentages are used depending on the requirements and parameters of the production. AISI 316N stands out from its peers mainly due to the fact that they are enriched with nitrogen; this leads to better corrosion resistance and strength. This particular meticulously crafted composition is entirely built for good reliability, which in turn, makes AISI 316N, a top selection for different applications that need durability and resistance to corrosion.

AISI 316N Austenitic Stainless Steel
Elements Fe Cr Ni Mo Mn Si N P C S
Min (%) - 16 10 2.0 - - 0.10 - - -
Max (%) Balance 18 14 3.0 2.0 1.0 0.30 0.45 0.03 0.03

The Advantages and Disadvantages of AISI 316N Austenitic Stainless Steel

    Advantages:

  • Enhanced Strength: Nitrogen enhances tensile and yield strength over 316 steel though it is used in smaller quantities.

  • Corrosion Resistance: Good corrosion resistance specifically in chloride and acidic situations.

  • Improved Pitting Resistance: Better resistance to pitting and crevice corrosion because of presence of nitrogen.

  • Good Weldability: Has good weldability characteristics and can be welded within conventional methods.

  • Versatility: It can be applied to various industries like marine, chemical process, and medical instruments.

    Disadvantages:

  • Higher Cost: This makes it more expensive relative to the regular version mainly because of the extra nitrogen and processing cost.

  • Work Hardening: May turn very brittle during the course of machining and therefore, requires special tools and methods of working.

  • Availability: May be more difficult to obtain than other stainless steel grades, thus the material may take longer to be sourced.

  • Potential for Sensitization: As with other austenitic stainless steels, it is also vulnerable to sensitization and intergranular corrosion if it is not well treated in terms of heat.

  • Heavier Weight: Moderate weight, although this can potentially become a downside in applications that require low weight.

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Frequently Asked Questions

FAQs
What is the chemical composition of AISI 316N?

The major elements are Chromium which ranges from 16-18%, Nickel ranging from 10-14%, Molybdenum from 2-3%, Nitrogen from 0. 10-0. 16% and other elements in trace.

What are the characteristics of the AISI 316N stainless steel?

AISI 316N has high tensile strength, and most importantly has high resistance to corrosion and is also extremely ductile.

What are the common uses of AISI 316N?

It is applied in marine applications, chemical processing, and in the medical industry because of its strength and high resistance to corrosion.

What is the difference between AISI 316N and AISI 316?

AISI 316N has higher nitrogen content than that of the AISI 316, and this makes the material stronger and has enhanced resistance to pitting and crevice corrosion.

Raw Material Prices (Updated as on: 06 Oct 2024 01:52 PM) LIVE RATES

MetalsPrice/TonnePrice/KG
Nickel$17,750₹1,491.37
LME$17,831₹1,498.13
Copper$10,099₹848.47
LME$9,935₹834.69
Aluminum$2,636₹221.50
LME$2,665₹223.94
Zinc$3,160₹265.53
LME$3,170₹266.35
Lead$2,141₹179.90
LME$2,154₹180.99

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Stainless Steel
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