ASME SA240 / ASTM A240 UNS S31653 Stainless Steel sheet

 

ASME SA240 / ASTM A240 UNS S31653 Stainless Steel Sheet supplier

 

For applications requiring excellent corrosion resistance, superior weldability, and good strength in moderately corrosive environments, ASME SA240/ASTM A240 UNS S31653 Stainless Steel Sheet (commonly known as 316LN) is an excellent choice.

 

As a leading uns stainless supplier, Gangsteel specializes in providing high-quality sa 240/a 240 uns s31653 sheets, plates, coils, bars, and custom components, all compliant with sa 240/a 240 uns stainless grades standards, including ASTM A240 and ASME SA240. With an inventory exceeding 600 tons and advanced manufacturing capabilities, Gangsteel ensures rapid delivery and tailored solutions for clients worldwide.

 

This comprehensive guide explores the ASME SA240/ASTM A240 UNS S31653 chemical composition, density, mechanical properties, corrosion resistance, weldability, stainless steel surface finishes, equivalent materials, specifications, applications, and competitive ASME SA240/ASTM A240 UNS S31653 price per kg.

 

Whether you're an engineer designing chemical processing equipment or a procurement specialist sourcing for pharmaceutical applications, this article will clarify why 316LN stainless steel (UNS S31653) is a trusted option. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns s30615, sa 240/a 240 uns s30815, sa 240/a 240 uns s30909, sa 240/a 240 uns s30940, sa 240/a 240 uns s31040, sa 240/a 240 uns s31041, sa 240/a 240 uns s31050, sa 240/a 240 uns s31060, sa 240/a 240 uns s31254, sa 240/a 240 uns s31266, sa 240/a 240 uns s31635, sa 240/a 240 uns s31640, and sa 240/a 240 uns s31651.

Why Choose ASME SA240/ASTM A240 UNS S31653 Stainless Steel Sheet?

 

ASME SA240/ASTM A240 UNS S31653, known as 316LN, is a low-carbon, nitrogen-enhanced austenitic stainless steel with 16.0-18.0% chromium, 10.0-14.0% nickel, 2.0-3.0% molybdenum, and 0.10-0.16% nitrogen. It is designed for applications requiring excellent corrosion resistance, superior weldability, and good strength, making it ideal for industries such as chemical processing, pharmaceutical, and marine. The low carbon content (≤ 0.030%) minimizes carbide precipitation during welding, improving performance compared to sa 240/a 240 uns s31651, while the nitrogen content enhances strength and pitting resistance.

The ASME SA240/ASTM A240 UNS S31653 stainless steel sheet offers superior weldability compared to sa 240/a 240 uns s31651 and similar corrosion resistance to sa 240/a 240 uns s31635 but with enhanced strength due to nitrogen addition. While it is less corrosion-resistant than high-alloy grades like sa 240/a 240 uns s31254, its combination of corrosion resistance, weldability, and strength makes it a preferred choice for welded chemical and pharmaceutical equipment.

Key benefits of ASME SA240/ASTM A240 UNS S31653 stainless steel sheet include:

• Superior Weldability: Low carbon content (≤ 0.030%) minimizes carbide precipitation, outperforming sa 240/a 240 uns s31651 in welded applications.
• Excellent Corrosion Resistance: Molybdenum (2.0-3.0%) and nitrogen (0.10-0.16%) enhance pitting resistance in chloride environments, surpassing sa 240/a 240 uns s30400.
• Good Strength: Nitrogen addition enhances strength, suitable for applications requiring moderate mechanical performance.
• Versatility: Ideal for welded structures in chemical and pharmaceutical industries.

Case Study: A pharmaceutical manufacturer in India used sa 240/a 240 uns s31653 sheets for welded storage vessels, achieving a 30% reduction in welding defects compared to sa 240/a 240 uns s31651 due to its superior weldability and corrosion resistance.

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ASME SA240/ASTM A240 UNS S31653 Density

 

The density of ASME SA240/ASTM A240 UNS S31653 stainless steel sheet is approximately 8.00 g/cm³ (0.289 lb/in³). This density is typical for molybdenum-containing austenitic stainless steels, reflecting the material's composition, which includes nitrogen for enhanced strength. The consistent density ensures predictable performance in applications requiring precise weight calculations, such as chemical processing equipment and pharmaceutical vessels. Compared to grades like sa 240/a 240 uns s31635 (8.00 g/cm³) and sa 240/a 240 uns s31050 (7.89 g/cm³), the density is similar, making UNS S31653 a reliable choice for weight-sensitive applications.

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ASME SA240/ASTM A240 UNS S31653 Corrosion Resistance

 

ASME SA240/ASTM A240 UNS S31653offers excellent corrosion resistance in chloride-containing and moderately corrosive environments, such as chemical processing and pharmaceutical settings. Its 16.0-18.0% chromium, 10.0-14.0% nickel, 2.0-3.0% molybdenum, and 0.10-0.16% nitrogen content provide a robust protective oxide layer and good pitting resistance, with a pitting resistance equivalent number (PREN) of ~24-26. This makes it suitable for applications like chemical reactors and pharmaceutical vessels, outperforming sa 240/a 240 uns s30400 and sa 240/a 240 uns s30940. For highly corrosive environments, such as severe chloride conditions, grades like sa 240/a 240 uns s31254 or sa 240/a 240 uns s31266 are recommended.

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ASME SA240/ASTM A240 UNS S31653 Weldability

 

The low carbon content (≤ 0.030%) of ASME SA240/ASTM A240 UNS S31653 ensures superior weldability by minimizing carbide precipitation and intergranular corrosion during welding, making it more weldable than sa 240/a 240 uns s31651. It can be welded using common techniques such as TIG, MIG, and shielded metal arc welding, with low-carbon filler materials (e.g., 316L) to maintain corrosion resistance and strength. Compared to sa 240/a 240 uns s31635 or sa 240/a 240 uns s31640, UNS S31653 offers better weldability due to its low carbon content, though it has slightly lower high-temperature performance. For applications requiring extreme corrosion resistance and weldability, sa 240/a 240 uns s31254 is a viable alternative.

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ASME SA240/ASTM A240 UNS S31653 Stainless Steel Surface

 

The surface finish of ASME SA240/ASTM A240 UNS S31653 stainless steel sheet significantly impacts its aesthetic appeal, functionality, and application suitability. Gangsteel offers a variety of surface finishes to meet diverse project requirements, as detailed below:

Surface Finish	Definition/Feature	Summary of Manufacturing Method	Application/Use
NO.1	Silver white, matte	Hot rolled to specified thickness, followed by heat treatment and pickling	Chemical tank, pipe, no need for surface gloss purposes
2B	Stronger gloss than NO.2D	Cold rolled, heat treated, pickled, and lightly cold rolled by polishing rollers	Medical equipment, food industry, construction material, kitchen utensils, general materials
NO.2D/2BB	Silver white	Heat treatment and pickling after cold rolling	General materials, deep drawing materials
NO.3	Rough grinding	Polished with No.100 to No.120 abrasives (JIS R6001) or 100~200# grinding belt	Kitchen utensils, building construction, building materials
NO.4 (4K)	Intermediate grinding	Polished with No.150 to No.180 abrasives (JIS R6001) or 150~180# stone abrasive belt	Kitchen utensils, building construction, medical equipment, building materials
NO.240	Fine grinding	Grinding with 240# stone abrasive belt	Kitchenware
NO.320	Very fine grinding	Grinding with 320# abrasive belt	Kitchenware
NO.400	Gloss close to BA	Grinding with 400# polishing wheel	General timber, construction timber, kitchen utensils
HL	Hairline grinding, continuous polishing streaks	Polished with suitable grain size abrasive (150~240#) for hairline grinding	Building construction, buildings, construction materials
BA (No.6/BA1/BA0)	Bright as a mirror	Bright heat treatment after cold rolling, high surface reflectivity	Kitchen utensils, electric equipment, building construction, building materials
NO.7	Close to mirror polishing	Grinding with 600# rotary polishing wheel	For art and decoration
NO.8 (Mirror/8K)	Shining like a mirror	Grinding mirrors with polishing wheels	Building construction, reflector, for decoration

These surface finishes allow sa 240/a 240 uns s31653 to be tailored for aesthetic or functional requirements, such as the 2B finish for chemical processing equipment or the NO.4 finish for pharmaceutical applications.

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ASME SA240/ASTM A240 UNS S31653 Chemical Composition

 

The ASME SA240/ASTM A240 UNS S31653 chemical composition is optimized for corrosion resistance, weldability, and strength, compliant with sa 240/a 240 uns stainless grades standards.

The high chromium (16.0-18.0%), nickel (10.0-14.0%), molybdenum (2.0-3.0%), and nitrogen (0.10-0.16%) content, combined with low carbon (≤ 0.030%), provide excellent corrosion resistance and weldability compared to sa 240/a 240 uns s31651.

Element	Percentage (%)
Chromium (Cr)	16.0 – 18.0
Nickel (Ni)	10.0 – 14.0
Molybdenum (Mo)	2.0 – 3.0
Nitrogen (N)	0.10 – 0.16
Carbon (C)	≤ 0.030
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 0.75
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.030
Iron (Fe)	Balance (~65%)

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ASME SA240/ASTM A240 UNS S31653 Mechanical Properties

 

The ASME SA240/ASTM A240 UNS S31653 mechanical properties offer a balance of good strength, excellent corrosion resistance, and superior weldability, suitable for chemical and pharmaceutical applications.

These properties ensure that ASME SA240/ASTM A240 UNS S31653 stainless steel sheet can withstand mechanical stresses in moderately corrosive environments. Solution annealing at 1040-1100°C (1904-2012°F) optimizes UNS S31653 mechanical properties for corrosion resistance and weldability.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 515 (75 ksi)
Yield Strength (MPa)	≥ 205 (30 ksi)
Elongation (%)	≥ 40
Hardness (HBW)	≤ 217
Density	8.00 g/cm³ (0.289 lb/in³)

At Gangsteel, we’ve seen clients use sa 240/a 240 uns s31653 sheets in pharmaceutical vessels, where its weldability and corrosion resistance provide advantages over sa 240/a 240 uns s31651.

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ASME SA240/ASTM A240 UNS S31653 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s31653 sheets, plates, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades standards:

Our advanced manufacturing facilities ensure precision and quality, meeting the diverse needs of global projects, from standard sizes to custom-cut components.

Sheet and Plate

• Thickness: 0.1 mm to 6 mm (sheet), 0.5 mm to 50 mm (plate)
• Width: Up to 2000 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 (see Stainless Steel Surface section)
• Standards: ASTM A240, ASME SA240
• Applications: sa 240/a 240 uns s31653 sheets for chemical reactors, UNS S31653 plates for pharmaceutical vessels

Coil

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

Bar

• Diameter: 6 mm to 300 mm
• Length: Up to 12000 mm
• Finish: Hot-rolled, cold-drawn, centerless ground
• Standards: ASTM A479, ASME SA-479
• Applications: ASME SA240/ASTM A240 UNS S31653 bars for structural components

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 chemical and pharmaceutical industries

Note: Need a specific size or finish? Gangsteel offers custom solutions, including precision cutting and heat treatments, to meet sa 240/a 240 uns stainless grades requirements. Contact us at admin@gangsteel.com for bespoke ASME SA240/ASTM A240 UNS S31653 material specifications.

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Applications of ASME SA240/ASTM A240 UNS S31653 Stainless Steel Sheet

 

ASME SA240/ASTM A240 UNS S31653 stainless steel sheetis tailored for industries requiring excellent corrosion resistance, superior weldability, and good strength in moderately corrosive environments. Its low-carbon, nitrogen-enhanced austenitic structure ensures durability in demanding applications.

Key ASME SA240/ASTM A240 UNS S31653 applications include:

• Chemical Processing: sa 240/a 240 uns s31653 sheets for welded reactors and storage tanks.
• Pharmaceutical: UNS S31653 plates for vessels and piping requiring hygiene and corrosion resistance.
• Marine: ASME SA240/ASTM A240 UNS S31653 bars for components in chloride-rich environments.
• Food Processing: Equipment requiring corrosion resistance and weldability.
• General-Purpose: Welded structures in moderately corrosive environments.

Case Study: A chemical processing plant in India used sa 240/a 240 uns s31653 sheets for welded reactor linings, achieving a 35% reduction in welding-related maintenance compared to sa 240/a 240 uns s31651 due to its superior weldability.

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ASME SA240/ASTM A240 UNS S31653 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s31653 with six related grades: sa 240/a 240 uns s31635, sa 240/a 240 uns s31640, sa 240/a 240 uns s31651, sa 240/a 240 uns s31254, sa 240/a 240 uns s31266, and sa 240/a 240 uns s31050. This comparison is limited to seven grades to ensure display compatibility, focusing on closely related grades for corrosion resistance and weldability.

This comparison highlights the unique advantages of each grade, helping you select the optimal material for your project requirements.

Property	ASME SA240/ASTM A240 UNS S31653	ASME SA240 UNS S31635	ASME SA240 UNS S31640	ASME SA240 UNS S31651	ASME SA240 UNS S31254	ASME SA240 UNS S31266	ASME SA240 UNS S31050
UNS Number	S31653	S31635	S31640	S31651	S31254	S31266	S31050
Type	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	16.0-18.0%	16.0-18.0%	16.0-18.0%	16.0-18.0%	19.5-20.5%	23.0-25.0%	24.0-26.0%
Nickel Content	10.0-14.0%	10.0-14.0%	10.0-14.0%	10.0-14.0%	17.5-18.5%	21.0-24.0%	21.0-23.0%
Manganese Content	≤ 2.0	≤ 2.0	≤ 2.0	≤ 2.0	≤ 1.0	≤ 2.0	≤ 2.0
Molybdenum Content	2.0-3.0%	2.0-3.0%	2.0-3.0%	2.0-3.0%	6.0-6.5%	5.2-6.2%	2.0-3.0%
Nitrogen Content	0.10-0.16%	-	-	0.10-0.16%	0.18-0.22%	0.35-0.60%	0.10-0.16%
Carbon Content	≤ 0.030%	≤ 0.08%	≤ 0.08%	≤ 0.08%	≤ 0.020%	≤ 0.020%	≤ 0.030%
Corrosion Resistance	Good in chloride environments	Good in chloride environments	Good in chloride environments	Good in chloride environments	Exceptional in chloride environments	Exceptional in severe corrosive environments	Excellent in chemical environments
Strength	Moderate	Moderate	Moderate	High (Nitrogen-enhanced)	High (Corrosion resistance)	Very High (Corrosion resistance)	High (Chemical resistance)
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)	Up to 400°C (752°F)	Up to 400°C (752°F)	Up to 1100°C (2012°F)
Cost (USD/kg)	5-8	5-8	5-8	5-8	8-12	9-14	7-10
Applications	Chemical, pharmaceutical	Chemical, pharmaceutical	Chemical, pharmaceutical	Chemical, structural	Marine, chemical processing	Severe corrosive environments, marine	Chemical processing, high-temperature

• ASME SA240/ASTM A240 UNS S31653 vs ASME SA240 UNS S31635: S31653 offers better weldability due to lower carbon content, while sa 240/a 240 uns s31635 is optimized for high-temperature applications due to titanium stabilization.
• ASME SA240/ASTM A240 UNS S31653 vs ASME SA240 UNS S31640: S31653 provides better weldability due to lower carbon content, while sa 240/a 240 uns s31640 offers similar corrosion resistance with niobium stabilization.
• ASME SA240/ASTM A240 UNS S31653 vs ASME SA240 UNS S31651: S31653 offers superior weldability due to lower carbon content (≤ 0.030%), while sa 240/a 240 uns s31651 provides higher strength due to higher carbon content (≤ 0.08%).
• ASME SA240/ASTM A240 UNS S31653 vs ASME SA240 UNS S31254: S31653 is more cost-effective, while sa 240/a 240 uns s31254 offers exceptional corrosion resistance in chloride environments due to higher molybdenum content.
• ASME SA240/ASTM A240 UNS S31653 vs ASME SA240 UNS S31266: S31653 is more cost-effective, while sa 240/a 240 uns s31266 provides unparalleled corrosion resistance in severe environments.
• ASME SA240/ASTM A240 UNS S31653 vs ASME SA240 UNS S31050: S31653 is more cost-effective and suited for pharmaceutical applications, while sa 240/a 240 uns s31050 provides superior corrosion resistance in high-temperature chemical environments.

Conclusion: Choose sa 240/a 240 uns s31653 for weldable, corrosion-resistant applications in chloride environments, sa 240/a 240 uns s31635 for high-temperature applications, sa 240/a 240 uns s31640 for niobium-stabilized weldability, sa 240/a 240 uns s31651 for high-strength structural applications, sa 240/a 240 uns s31254 or sa 240/a 240 uns s31266 for severe corrosive environments, or sa 240/a 240 uns s31050 for high-temperature chemical processing.

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ASME SA240/ASTM A240 UNS S31653 Equivalent Materials

 

ASME SA240/ASTM A240 UNS S31653aligns with international standards for global compatibility, ensuring seamless integration into projects worldwide.

The equivalent grades allow for flexibility in sourcing materials across different regions, making ASME SA240/ASTM A240 UNS S31653 a versatile choice for weldable corrosion-resistant applications.

Standard	Grade
UNS	S31653
W.Nr.	1.4406
EN	X2CrNiMoN17-11-2
ASTM	A240
ASME	SA240

Note: ASME SA240/ASTM A240 UNS S31653 equivalent grades comply with sa 240/a 240 uns stainless grades standards, offering interchangeability with sa 240/a 240 uns s31651 for similar applications.

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ASME SA240/ASTM A240 UNS S31653 Allowable Stress

 

The allowable stress values for ASME SA240/ASTM A240 UNS S31653, per ASME BPVC Section II, Part D, ensure reliable performance in chloride-containing and moderately corrosive environments.

These values reflect the material’s ability to withstand mechanical stresses while maintaining corrosion resistance and weldability.

Temperature (°C)	Allowable Stress (MPa)
100	130
200	120
300	110
400	100
500	90

Note: These values ensure sa 240/a 240 uns s31653 performs reliably in chemical and pharmaceutical applications.

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ASME SA240/ASTM A240 UNS S31653 Price

 

The ASME SA240/ASTM A240 UNS S31653 price per kg ranges from USD 5-8 per kg (FOB), influenced by several factors:

The excellent corrosion resistance and superior weldability of ASME SA240/ASTM A240 UNS S31653 make it a valuable choice for chemical and pharmaceutical applications.

• Alloy Content: Molybdenum and nitrogen content increase costs compared to sa 240/a 240 uns s30400 but reduce costs compared to sa 240/a 240 uns s31254.
• Market Demand: High demand in chemical and pharmaceutical industries drives UNS S31653 price.
• Product Form: ASME SA240/ASTM A240 UNS S31653 sheets may cost more than coils due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASME SA240/ASTM A240 UNS S31653 cost.

For a precise ASME SA240/ASTM A240 UNS S31653 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

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Related Stainless Steel Grades

 

As a leading uns stainless supplier, Gangsteel offers a wide range of sa 240/a 240 uns stainless grades to complement sa 240/a 240 uns s31653 for various applications:

This diverse portfolio ensures clients can find the ideal material for their specific project needs, from corrosion resistance to high-temperature performance.

• sa 240/a 240 uns s30615: Austenitic stainless steel for high-temperature oxidation resistance.
• sa 240/a 240 uns s30815: Austenitic stainless steel for extreme high-temperature applications.
• sa 240/a 240 uns s30909: High-carbon austenitic stainless steel for high-temperature strength.
• sa 240/a 240 uns s30940: Niobium-stabilized austenitic stainless steel for high-temperature applications.
• sa 240/a 240 uns s31040: Niobium-stabilized austenitic stainless steel for high-temperature applications.
• sa 240/a 240 uns s31041: High-carbon, niobium-stabilized austenitic stainless steel for creep resistance.
• sa 240/a 240 uns s31050: Low-carbon, molybdenum-enhanced austenitic stainless steel for chemical processing.
• sa 240/a 240 uns s31060: Austenitic stainless steel for high-temperature applications.
• sa 240/a 240 uns s31254: High-molybdenum austenitic stainless steel for aggressive environments.
• sa 240/a 240 uns s31266: High-alloy austenitic stainless steel for extreme corrosion resistance.
• sa 240/a 240 uns s31635: Titanium-stabilized austenitic stainless steel for high-temperature applications.
• sa 240/a 240 uns s31640: Niobium-stabilized austenitic stainless steel for corrosion resistance.
• sa 240/a 240 uns s31651: Nitrogen-enhanced austenitic stainless steel for improved strength.

Note: These grades complement sa 240/a 240 uns s31653 in corrosion-resistant and high-temperature applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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FAQ

 

Q: What is the main difference between ASME SA240/ASTM A240 UNS S31653 and ASME SA240 UNS S31651?

A: ASME SA240/ASTM A240 UNS S31653 offers superior weldability due to lower carbon content (≤ 0.030%), while sa 240/a 240 uns s31651 provides higher strength due to higher carbon content (≤ 0.08%).

Q: Is ASME SA240/ASTM A240 UNS S31653 suitable for pharmaceutical applications?

A: Yes, its excellent corrosion resistance and superior weldability make it ideal for welded pharmaceutical vessels compared to sa 240/a 240 uns s31651.

Q: How does the price of ASME SA240/ASTM A240 UNS S31653 compare to ASME SA240 UNS S31254?

A: ASME SA240/ASTM A240 UNS S31653 is typically 30-40% less expensive than sa 240/a 240 uns s31254 due to lower molybdenum content, offering cost-effective performance for chloride-containing environments.

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Contact Us

 

For sa 240/a 240 uns s31653 quotes, technical data sheets, or custom solutions, contact Gangsteel at admin@gangsteel.com. Explore our sa 240/a 240 uns stainless grades portfolio for more options.

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