ASME SA240 Type 304LN Stainless Steel Plate Supplier | Specifications, Equivalent Materials, and Price

 

In the world of stainless steel materials, ASME SA240 Type 304LN stainless steel plate stands out for its enhanced strength, excellent corrosion resistance, and suitability for low-temperature applications.

As a trusted exporter of stainless steel plates and coils from China, Gangsteel delivers premium ASME SA240 Type 304LN stainless steel plate, sheet, coil, bar, and custom components, all adhering to ASME SA240 and ASTM A240 standards. With over 600 tons in inventory and cutting-edge processing technology, we provide swift delivery and customized solutions to clients around the globe.

This comprehensive guide explores the ASME SA240 Type 304LN chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASME SA240 Type 304LN price per kg. Check out our ASME SA240 stainless steel plate collection for similar grades like ASME SA240 Gr 304L, ASME SA240 Gr 304N, and ASME SA240 Gr 316LN.


 

Why Select ASME SA240 Type 304LN Stainless Steel Plate?

 

ASME SA240 Type 304LN, or UNS S30453, is a nitrogen-alloyed, low-carbon version of 304 stainless steel, featuring 18.0-20.0% chromium and 8.0-12.0% nickel with 0.10-0.16% nitrogen. This alloying boosts strength and toughness, especially at low temperatures, while preserving outstanding corrosion resistance and weldability.

Benefits of ASME SA240 Type 304LN plate include:

  • Increased Strength: Nitrogen enhances yield strength by up to 50% over ASME SA240 Gr 304, enabling thinner designs and cost reductions.
  • Superior Low-Temperature Performance: Excellent toughness in cryogenic conditions, surpassing ASME SA240 Gr 304L for low-temperature storage.
  • Strong Corrosion Resistance: Effective against atmospheric and mild chemical corrosion, with low carbon minimizing sensitization risks.
  • Economical and Versatile: A budget-friendly alternative to higher-alloyed steels like ASME SA240 Gr 316LN, suitable for diverse industries.

Case Study: A cryogenic storage facility in Europe adopted ASME SA240 Type 304LN plate for tanks, improving structural integrity and reducing material costs by 20%.

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ASME SA240 Type 304LN Chemical Composition

 

The ASME SA240 Type 304LN chemical composition is engineered for strength, corrosion resistance, and weldability, meeting ASME SA240 standards.

Element

Percentage (%)

Chromium (Cr)

18.0 – 20.0

Nickel (Ni)

8.0 – 12.0

Nitrogen (N)

0.10 – 0.16

Carbon (C)

≤ 0.03

Manganese (Mn)

≤ 2.0

Silicon (Si)

≤ 0.75

Phosphorus (P)

≤ 0.045

Sulfur (S)

≤ 0.03

Iron (Fe)

Balance (~70%)

Note: The nitrogen addition boosts strength and pitting resistance, while ultra-low carbon ensures weldability without carbide precipitation. This positions ASME SA240 Type 304LN as an upgrade from ASME SA240 Gr 304 for cryogenic and high-strength needs.

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ASME SA240 Type 304LN Mechanical Properties

 

The ASME SA240 Type 304LN mechanical properties combine high strength, ductility, and low-temperature toughness, ideal for structural and cryogenic uses.

Property

Value at 20°C

Value at -196°C (-320°F)

Tensile Strength (MPa)

≥ 515 (75 ksi)

≥ 1000 (145 ksi)

Yield Strength (MPa)

≥ 240 (35 ksi)

≥ 500 (73 ksi)

Elongation (%)

≥ 40

≥ 30

Hardness (HRB)

≤ 92

-

Density

8.00 g/cm³ (0.289 lb/in³)

-

Note: Solution annealing at 1050-1150°C (1922-2102°F) maximizes UNS S30453 mechanical properties for corrosion resistance and toughness. Contact Gangsteel at admin@gangsteel.com for a detailed ASME SA240 Type 304LN technical data sheet.

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ASME SA240 Type 304LN Specifications and Forms

 

Gangsteel supplies ASME SA240 Type 304LN stainless steel plate, sheet, coil, bar, and custom components to meet your project’s needs, compliant with ASME SA240 and ASTM A240 standards:

7.1 Plate and Sheet

  • Thickness: 0.5 mm to 100 mm (plate), 0.1 mm to 6 mm (sheet)
  • Width: Up to 4200 mm
  • Length: 2000 mm to 12000 mm (or coiled for sheet)
  • Surface Finish: Hot-rolled, cold-rolled, annealed, pickled, 2B, No.1, No.4, BA, or customized
  • Standards: ASME SA240, ASTM A240
  • Applications: ASME SA240 Type 304LN plate for cryogenic tanks, UNS S30453 sheet for structural components

7.2 Coil

  • Thickness: 0.1 mm to 6 mm
  • Width: Up to 2000 mm
  • Standards: ASME SA240, ASTM A240
  • Applications: Continuous production for welded pipes and tubes

7.3 Bar

  • Diameter: 6 mm to 500 mm
  • Length: Up to 12000 mm
  • Finish: Hot-rolled, cold-drawn, centerless ground
  • Standards: ASTM A479, ASME SA-479
  • Applications: ASME SA240 Type 304LN bar for high-strength fittings

7.3 Custom Components

  • Types: Flanges (ASME B16.5), fittings, CNC-machined parts, stainless cutting sheet part
  • Tolerances: ±0.05 mm for precision components
  • Applications: Tailored solutions for cryogenic and structural industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including precision cutting and heat treatments, to meet ASME SA240 requirements. Contact us at admin@gangsteel.com for bespoke ASME SA240 Type 304LN material specifications.

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Applications of ASME SA240 Type 304LN Stainless Steel Plate

 

ASME SA240 Type 304LN stainless steel plateis suited for industries needing high strength and corrosion resistance at low temperatures. Key ASME SA240 Type 304LN applications include:

  • Cryogenic Storage: ASME SA240 Type 304LN plate for LNG tanks and piping.
  • Structural Components: UNS S30453 sheet for bridges and buildings in corrosive environments.
  • Chemical Processing: ASME SA240 Type 304LN bar for fittings in mild chemical exposure.
  • Aerospace: Components requiring low-temperature toughness.
  • Energy: Storage vessels for liquefied gases.

Case Study: A LNG facility in Australia used ASME SA240 Type 304LN plate for storage tanks, benefiting from its high strength and corrosion resistance, reducing material thickness and costs by 15%.

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ASME SA240 Type 304LN vs Related Grades

 

To assist in material selection, here’s a comparison of ASME SA240 Type 304LN with ASME SA240 Gr 304, ASME SA240 Gr 316LN, and ASME SA240 Gr 304L:

Property

ASME SA240 Type 304LN (S30453)

ASME SA240 Gr 304 (S30400)

ASME SA240 Gr 316LN (S31653)

ASME SA240 Gr 304L (S30403)

UNS Number

S30453

S30400

S31653

S30403

Type

Austenitic

Austenitic

Austenitic

Austenitic

Nickel Content

8.0-12.0%

8.0-10.5%

10.0-14.0%

8.0-12.0%

Chromium Content

18.0-20.0%

18.0-20.0%

16.0-18.0%

18.0-20.0%

Nitrogen Content

0.10-0.16%

-

0.10-0.16%

-

Molybdenum Content

-

-

2.0-3.0%

-

Corrosion Resistance

Good in mild environments

Good in mild environments

Excellent in chlorides

Good in mild environments

Strength

High

Moderate

High

Moderate

Temp Range

Up to 870°C (1598°F)

Up to 870°C (1598°F)

Up to 870°C (1598°F)

Up to 870°C (1598°F)

Cost (USD/kg)

5-10

5-10

6-12

5-10

Applications

Structural, cryogenic

General, food industry

Marine, chemical

Welded structures

  • ASME SA240 Type 304LN vs ASME SA240 Gr 304: ASME SA240 Type 304LN offers higher strength from nitrogen, ideal for structural uses, while ASME SA240 Gr 304 is standard for general corrosion resistance.
  • ASME SA240 Type 304LN vs ASME SA240 Gr 316LN: ASME SA240 Type 304LN is cost-effective for mild corrosion, while ASME SA240 Gr 316LN provides better chloride resistance with molybdenum.
  • ASME SA240 Type 304LN vs ASME SA240 Gr 304L: ASME SA240 Type 304LN adds nitrogen for increased strength, while ASME SA240 Gr 304L focuses on weldability with ultra-low carbon.

Conclusion: Choose ASME SA240 Type 304LN for high-strength cryogenic applications, ASME SA240 Gr 304 for general uses, ASME SA240 Gr 316LN for enhanced chloride resistance, or ASME SA240 Gr 304L for superior weldability.

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ASME SA240 Type 304LN Equivalent Materials

 

ASME SA240 Type 304LNaligns with international standards for global compatibility.

Standard

Grade

UNS

S30453

W.Nr.

1.4311

EN

X2CrNiN18-10

JIS

SUS 304LN

GB

00Cr18Ni10N

ASTM

A240 314LN

ASME

SA240 GR 314LN

Note: ASME SA240 Type 304LN equivalent grades comply with ASME SA240, JIS, and GB standards, offering interchangeability with ASME SA240 Gr 304LN for cryogenic and high-strength applications.

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ASME SA240 Type 304LN Allowable Stress

 

The allowable stress values for ASME SA240 Type 304LN, per ASME BPVC Section II, Part D, ensure reliable performance in high-temperature and cryogenic applications.

Temperature (°C)

Allowable Stress (MPa)

100

160

200

150

300

140

400

130

500

120

600

110

Note: These values ensure ASME SA240 Type 304LN performs reliably in structural and cryogenic components under elevated temperatures.

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ASME SA240 Type 304LN Price

 

The ASME SA240 Type 304LN price per kg ranges from USD 5-10 per kg (FOB), influenced by:

  • Alloy Content: Nitrogen (0.10-0.16%) enhances strength without significantly raising costs compared to ASME SA240 Gr 316LN.
  • Market Demand: High demand in chemical and cryogenic industries drives UNS S30453 price.
  • Product Form: ASME SA240 Type 304LN plate may cost more than sheet due to processing complexity.
  • Global Supply Chain: Freight and availability impact ASME SA240 Type 304LN cost.

For a precise ASME SA240 Type 304LN price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

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Related Stainless Steel Grades

Gangsteel offers a wide range of ASME SA240 stainless steel plate grades to complement ASME SA240 Type 304LN for various applications:

Note: These grades complement ASME SA240 Type 304LN in high-strength, chemical, and cryogenic applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

Keywords: ASME SA240 Type 304LN related grades, UNS S30453 stainless steel grades, 304 series stainless steel grades


 

FAQ

Q: What is the main difference between ASME SA240 Type 304LN and ASME SA240 Gr 304L?

A: ASME SA240 Type 304LN includes nitrogen for higher strength and better low-temperature toughness, while ASME SA240 Gr 304L focuses on weldability with ultra-low carbon content.

Q: Is ASME SA240 Type 304LN suitable for cryogenic applications?

A: Yes, ASME SA240 Type 304LN maintains excellent toughness at low temperatures, making it ideal for cryogenic storage tanks and piping.

Q: How does the price of ASME SA240 Type 304LN compare to ASME SA240 Gr 316LN?

A: ASME SA240 Type 304LN is typically 20-30% less expensive than ASME SA240 Gr 316LN due to the absence of molybdenum, while offering comparable strength for non-chloride environments.

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Contact Us

For ASME SA240 Type 304LN stainless steel plate quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our ASME SA240 stainless steel plate portfolio for more options.

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