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316LN Stainless Steel Plate Excellent Corrosion Resistance for Marine Applications
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xProduct Details
| Products | Stainless Steel Plate | Grade | 304 304L 316L 316LN 310S 321 2205 2304 2507 904L 254SMO 630 .etc |
|---|---|---|---|
| Thickness | 1.0 - 80.0mm | Width | 1219mm 1500mm 1800mm |
| Surface | NO.1 2B | Brand | BAOSTEEL TISCO |
| Standard | ASTM EN DIN JIS GB | Loading Port | Shanghai Port |
| Highlight | 316LN stainless steel plate for marine use,Corrosion resistant stainless steel plate,Marine grade 316LN steel plate with warranty |
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Product Description
316LN Stainless Steel Plate Excellent Corrosion Resistance for Marine Applications
Products Specification
| Products Name | 316LN Stainless Steel Plate Sheet |
| Main Grades | Stainless Steel J1, J2, J4, 201, 202, 301, 304, 304H, 304L, 309, 309S, 310, 310S, 316, 316L, 316LN,316TI, 317L, 321, 321H, 347,348, 409, 410, 410S, 420, 430, 441, 904L,630,631,254SMO,654SMO,253MA,2205,2304,2507.etc |
| Thickness | 0.6 - 80.0mm |
| Width | 1250mm,1500mm ,1800mm,2000mm, or custom other size as request |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, AS PER CUSTOMER’S REQUIREMENT |
| Service | Laser Cutting |
| Form | Plate / sheet |
| Cutting Shape | Round , Square, or any special shape as request |
| Test Certificate | Yes. |
| Finish | NO.1, 2B, 2D, 2H, 2R, No.4, HAIRLINE, SCOTCH BRITE, SATIN FINISH, NO.8, BA. |
| Brand | TISCO, LISCO,BAOSTEEL , POSCO, JISCO |
316LN Stainless Steel Plate: Excellent Corrosion Resistance for Marine Applications
316LN stainless steel, an enhanced version of 316 stainless steel, is designed for applications requiring high resistance to corrosion, particularly in marine and other harsh environments. This low-carbon, nitrogen-enriched version of 316 stainless steel provides superior mechanical properties and corrosion resistance, making it ideal for use in industries like shipbuilding, petrochemical, and aerospace. Below, we provide an in-depth overview of the 316LN stainless steel plate, including its chemical composition, mechanical properties, standards, similar grades, and common applications.
Chemical Composition of 316LN Stainless Steel Plate
316LN stainless steel is a high-performance austenitic steel alloy with the following primary elements:
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.030 |
| Manganese (Mn) | 2.00 – 3.00 |
| Silicon (Si) | ≤ 1.00 |
| Phosphorus (P) | ≤ 0.045 |
| Sulfur (S) | ≤ 0.030 |
| Chromium (Cr) | 16.00 – 18.00 |
| Nickel (Ni) | 10.00 – 14.00 |
| Molybdenum (Mo) | 2.00 – 3.00 |
| Nitrogen (N) | 0.10 – 0.20 |
| Iron (Fe) | Balance |
The addition of nitrogen in 316LN enhances its strength and resistance to pitting and crevice corrosion, especially in chloride-rich environments like seawater. It also minimizes the risk of carbide precipitation, making it more resistant to intergranular corrosion compared to standard 316 stainless steel.
Mechanical Properties of 316LN Stainless Steel Plate
316LN stainless steel exhibits excellent strength, toughness, and corrosion resistance. Here are the key mechanical properties:
| Property | Value |
|---|---|
| Yield Strength | 190 MPa (min.) |
| Ultimate Tensile Strength | 490 – 700 MPa |
| Elongation (in 50mm) | 40% (min.) |
| Hardness (Brinell) | 217 HB (max.) |
| Modulus of Elasticity | 193 GPa |
| Poisson's Ratio | 0.29 |
The low carbon content in 316LN contributes to enhanced weldability without compromising its strength. The addition of nitrogen further increases the material’s tensile strength while maintaining excellent formability.
Standards for 316LN Stainless Steel Plate
316LN stainless steel plate is manufactured according to internationally recognized standards, ensuring high quality and consistency. The key standards applicable to 316LN stainless steel are:
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ASTM A240: Standard Specification for Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications.
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ASTM A276: Standard Specification for Stainless Steel Bars and Shapes.
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ASME SA240: Specification for Stainless Steel Plates for Pressure Vessels.
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EN 10088-2: Stainless Steel – Part 2: Technical delivery conditions for sheet/plate and strip of corrosion-resistant steels for general purposes.
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ISO 3506-1: Stainless steel fasteners – Part 1: Bolts, screws, and studs.
These standards ensure that 316LN stainless steel plates meet strict quality control criteria for critical applications, especially in marine environments.
Similar Grades to 316LN Stainless Steel
Several other stainless steel alloys share similar characteristics with 316LN stainless steel, but they may have slightly different compositions or mechanical properties. These include:
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316 Stainless Steel: The standard version of 316 stainless steel, which offers good resistance to corrosion but lacks the nitrogen addition of 316LN, making it slightly less resistant to stress corrosion cracking.
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317L Stainless Steel: Contains higher molybdenum content than 316L, offering even better resistance to pitting corrosion, though it is not as commonly used in marine environments as 316LN.
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304L Stainless Steel: Offers good general corrosion resistance but lacks the high molybdenum content necessary for optimal marine applications.
While these alloys can often be substituted for 316LN in various applications, 316LN remains the top choice for highly corrosive, marine-based environments.
Applications of 316LN Stainless Steel Plate
316LN stainless steel plates are widely used in various industries, owing to their excellent resistance to corrosion, high tensile strength, and formability. Some of the most common applications include:
1. Marine Industry
316LN stainless steel is primarily used in marine and coastal environments due to its excellent resistance to seawater corrosion. It is used for the fabrication of ship hulls, decks, railings, propeller shafts, and marine piping systems.
2. Chemical and Petrochemical Industry
Due to its high resistance to corrosion from chemicals, 316LN is ideal for use in chemical processing equipment, such as reactors, heat exchangers, and tanks. Its ability to withstand aggressive chemical environments, such as acidic or alkaline solutions, makes it indispensable in petrochemical processing.
3. Aerospace and Aviation
316LN’s exceptional strength and corrosion resistance at high temperatures make it suitable for aircraft and aerospace components exposed to severe conditions.
4. Food and Beverage Industry
316LN is often used in the food processing industry for the manufacture of storage tanks, processing equipment, and conveying systems, where cleanliness and resistance to both corrosion and oxidation are crucial.
5. Medical Equipment
Due to its non-reactive nature and ease of sterilization, 316LN stainless steel is commonly used in surgical instruments, implants, and medical devices.
6. Architectural Applications
The aesthetic appeal of 316LN, along with its resistance to corrosion, makes it an ideal choice for architectural cladding, handrails, and exterior furniture in marine and coastal areas.
Conclusion
316LN stainless steel plate is a top choice for industries requiring high-performance materials in harsh, corrosive environments, particularly in marine applications. With superior chemical composition, excellent mechanical properties, and outstanding resistance to pitting and crevice corrosion, it is ideal for use in marine structures, chemical processing, aerospace, food processing, and medical fields.
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