ASME SA240 / ASTM A240 UNS S30615 Stainless Steel sheet

 

ASME SA240 / ASTM A240 UNS S30615 Stainless Steel Sheet for sale

 

For applications requiring superior high-temperature oxidation resistance, excellent corrosion resistance, and good weldability, ASME SA240/ASTM A240 UNS S30615 Stainless Steel Sheet is an exceptional choice.

 

As a leading uns stainless supplier, Gangsteel specializes in providing high-quality sa 240/a 240 uns s30615 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.

Gangsteel explores the ASME SA240/ASTM A240 UNS S30615 chemical composition, density, mechanical properties, corrosion resistance, weldability, stainless steel surface finishes, equivalent materials, specifications, applications, and competitive ASME SA240/ASTM A240 UNS S30615 price per kg.

 

Whether you're an engineer designing high-temperature equipment or a procurement specialist sourcing for chemical processing applications, this article will clarify why 306 stainless steel (UNS S30615) is a trusted option. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns s30415, sa 240/a 240 uns s30451, sa 240/a 240 uns s30452, sa 240/a 240 uns s30453, sa 240/a 240 uns s30500, sa 240/a 240 uns s30600, and sa 240/a 240 uns s30601.

Why Choose ASME SA240/ASTM A240 UNS S30615 Stainless Steel Sheet?

 

ASME SA240/ASTM A240 UNS S30615, often referred to as a high-temperature austenitic stainless steel, contains 18.0-19.5% chromium, 13.5-15.0% nickel, 0.80-1.20% molybdenum, and 0.15-0.25% nitrogen. It is engineered for high-temperature applications requiring excellent oxidation resistance, good corrosion resistance, and reliable weldability, making it ideal for industries such as power generation, chemical processing, and furnace manufacturing. The nitrogen addition enhances strength and pitting resistance, while the molybdenum content improves corrosion resistance in moderately aggressive environments compared to sa 240/a 240 uns s30400.

The ASME SA240/ASTM A240 UNS S30615 stainless steel sheet offers superior high-temperature performance compared to sa 240/a 240 uns s30415 and better corrosion resistance than sa 240/a 240 uns s30600 due to its higher molybdenum and nitrogen content. While it is less corrosion-resistant than high-molybdenum grades like sa 240/a 240 uns s31254, its high-temperature oxidation resistance makes it a preferred choice for applications like furnace components.

Key benefits of ASME SA240/ASTM A240 UNS S30615 stainless steel sheet include:

• Superior High-Temperature Oxidation Resistance: Withstands temperatures up to 950°C (1742°F), outperforming sa 240/a 240 uns s30451.
• Excellent Corrosion Resistance: High chromium, nickel, molybdenum, and nitrogen content provide robust resistance in high-temperature and moderately corrosive environments, surpassing sa 240/a 240 uns s30500.
• Good Weldability: Low carbon content (≤ 0.05%) minimizes intergranular corrosion, suitable for welded structures.
• High Strength at Elevated Temperatures: Nitrogen-enhanced composition ensures durability in demanding applications.

Case Study: A power generation plant in India used sa 240/a 240 uns s30615 sheets for furnace components, achieving a 30% longer service life compared to sa 240/a 240 uns s30400 due to its superior high-temperature oxidation resistance.

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ASME SA240/ASTM A240 UNS S30615 Density

 

The density of ASME SA240/ASTM A240 UNS S30615 stainless steel sheet is approximately 7.93 g/cm³ (0.286 lb/in³). This density is typical for austenitic stainless steels and reflects the material's composition, which includes high chromium, nickel, molybdenum, and nitrogen content. The consistent density ensures predictable performance in applications requiring precise weight calculations, such as furnace components and chemical processing equipment. Compared to other grades like sa 240/a 240 uns s30451 and sa 240/a 240 uns s30453, the density remains similar due to their comparable alloy compositions, making UNS S30615 a reliable choice for weight-sensitive high-temperature applications.

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ASME SA240/ASTM A240 UNS S30615 Corrosion Resistance

 

ASME SA240/ASTM A240 UNS S30615offers excellent corrosion resistance in high-temperature and moderately corrosive environments, such as power generation and chemical processing plants. Its 18.0-19.5% chromium, 13.5-15.0% nickel, 0.80-1.20% molybdenum, and 0.15-0.25% nitrogen content provide a robust protective oxide layer and enhanced pitting resistance, with a pitting resistance equivalent number (PREN) of ~20-23. This makes it suitable for applications like heat exchangers and furnace components, outperforming sa 240/a 240 uns s30600 and sa 240/a 240 uns s30601 due to its higher molybdenum and nitrogen content. For highly corrosive environments, such as chloride-rich conditions, grades like sa 240/a 240 uns s31254 are recommended.

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ASME SA240/ASTM A240 UNS S30615 Weldability

 

The low carbon content (≤ 0.05%) of ASME SA240/ASTM A240 UNS S30615 ensures good weldability by minimizing the risk of carbide precipitation and intergranular corrosion during welding, making it suitable for high-temperature welded structures. It can be welded using common techniques such as TIG, MIG, and resistance welding, with appropriate filler materials to maintain corrosion resistance and strength. Compared to sa 240/a 240 uns s30415, UNS S30615 offers comparable weldability but is optimized for higher-temperature environments. For applications requiring superior weldability, sa 240/a 240 uns s30600 or sa 240/a 240 uns s30601 with ultra-low carbon content are alternatives.

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ASME SA240/ASTM A240 UNS S30615 Stainless Steel Surface

 

The surface finish of ASME SA240/ASTM A240 UNS S30615 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 s30615 to be tailored for aesthetic or functional requirements, such as the NO.1 finish for high-temperature equipment or the 2B finish for chemical processing applications.

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ASME SA240/ASTM A240 UNS S30615 Chemical Composition

 

The ASME SA240/ASTM A240 UNS S30615 chemical composition is optimized for high-temperature oxidation resistance, corrosion resistance, and weldability, compliant with sa 240/a 240 uns stainless grades standards.

The high chromium (18.0-19.5%), nickel (13.5-15.0%), molybdenum (0.80-1.20%), and nitrogen (0.15-0.25%) content provide excellent corrosion resistance and strength at elevated temperatures compared to sa 240/a 240 uns s30600.

Element	Percentage (%)
Chromium (Cr)	18.0 – 19.5
Nickel (Ni)	13.5 – 15.0
Molybdenum (Mo)	0.80 – 1.20
Nitrogen (N)	0.15 – 0.25
Carbon (C)	≤ 0.05
Manganese (Mn)	≤ 2.0
Silicon (Si)	3.2 – 4.0
Phosphorus (P)	≤ 0.030
Sulfur (S)	≤ 0.015
Iron (Fe)	Balance (~60%)

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ASME SA240/ASTM A240 UNS S30615 Mechanical Properties

 

The ASME SA240/ASTM A240 UNS S30615 mechanical properties offer a balance of high strength at elevated temperatures, good ductility, and excellent corrosion resistance, suitable for high-temperature applications.

These properties ensure that ASME SA240/ASTM A240 UNS S30615 stainless steel sheet can withstand mechanical stresses in high-temperature and moderately corrosive environments. Solution annealing at 1040-1120°C (1904-2048°F) optimizes UNS S30615 mechanical properties for strength and corrosion resistance.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 550 (80 ksi)
Yield Strength (MPa)	≥ 240 (35 ksi)
Elongation (%)	≥ 40
Hardness (HBW)	≤ 217
Density	7.93 g/cm³ (0.286 lb/in³)

At Gangsteel, we’ve seen clients use sa 240/a 240 uns s30615 sheets in furnace manufacturing, where its high-temperature oxidation resistance and corrosion resistance provide advantages over sa 240/a 240 uns s30415.

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ASME SA240/ASTM A240 UNS S30615 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns s30615 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 s30615 sheets for furnace components, UNS S30615 plates for heat exchangers

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 high-temperature 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 S30615 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 power generation and chemical 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 S30615 material specifications.

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Applications of ASME SA240/ASTM A240 UNS S30615 Stainless Steel Sheet

 

ASME SA240/ASTM A240 UNS S30615 stainless steel sheetis tailored for industries requiring superior high-temperature oxidation resistance, excellent corrosion resistance, and good weldability. Its nitrogen-enhanced, high-alloy austenitic structure ensures durability in demanding environments.

Key ASME SA240/ASTM A240 UNS S30615 applications include:

• Power Generation: sa 240/a 240 uns s30615 sheets for boiler tubes and heat exchangers.
• Chemical Processing: UNS S30615 plates for reactors and storage tanks in moderately corrosive environments.
• Furnace Manufacturing: ASME SA240/ASTM A240 UNS S30615 bars for furnace components requiring high-temperature oxidation resistance.
• Petrochemical: Piping and fittings for high-temperature applications.
• General-Purpose: Welded components requiring corrosion resistance and high-temperature strength.

Case Study: A chemical processing plant in India used sa 240/a 240 uns s30615 sheets for heat exchanger components, achieving a 25% longer service life compared to sa 240/a 240 uns s30415 due to its superior high-temperature oxidation resistance.

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ASME SA240/ASTM A240 UNS S30615 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns s30615 with sa 240/a 240 uns s30415, sa 240/a 240 uns s30451, sa 240/a 240 uns s30452, sa 240/a 240 uns s30453, sa 240/a 240 uns s30500, sa 240/a 240 uns s30600, and sa 240/a 240 uns s30601:

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 S30615	ASME SA240 UNS S30415	ASME SA240 UNS S30451	ASME SA240 UNS S30452	ASME SA240 UNS S30453	ASME SA240 UNS S30500	ASME SA240 UNS S30600	ASME SA240 UNS S30601
UNS Number	S30615	S30415	S30451	S30452	S30453	S30500	S30600	S30601
Type	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	18.0-19.5%	17.0-19.0%	18.0-20.0%	18.0-20.0%	18.0-20.0%	17.0-19.0%	17.0-18.5%	17.0-18.5%
Nickel Content	13.5-15.0%	9.0-11.0%	8.0-10.5%	8.0-10.5%	8.0-10.5%	10.5-13.0%	14.0-15.5%	14.0-15.5%
Manganese Content	≤ 2.0%	≤ 2.0%	≤ 2.0%	≤ 2.0%	≤ 2.0%	≤ 2.0%	≤ 2.0%	≤ 2.0%
Molybdenum Content	0.80-1.20%	-	-	-	-	-	0.10-0.35%	0.10-0.35%
Nitrogen Content	0.15-0.25%	0.12-0.18%	0.10-0.16%	0.16-0.30%	0.10-0.16%	-	≤ 0.05%	≤ 0.05%
Carbon Content	≤ 0.05%	0.04-0.10%	≤ 0.08%	≤ 0.08%	≤ 0.03%	≤ 0.12%	≤ 0.018%	≤ 0.018%
Corrosion Resistance	Excellent in high-temperature environments	Excellent in mild environments	Good in mild environments	Good in mild environments	Good in mild environments	Good in mild environments	Excellent in mild environments	Excellent in mild environments
Strength	High (High-temperature)	High (High-temperature)	Moderate (Enhanced by nitrogen)	High (Enhanced by nitrogen)	Moderate (Enhanced by nitrogen)	Moderate	Low	Low
Temp Range	Up to 950°C (1742°F)	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 870°C (1598°F)	Up to 870°C (1598°F)	Up to 870°C (1598°F)
Cost (USD/kg)	6-9	4-7	4-7	4-7	4-7	4-7	5-8	5-8
Applications	High-temperature equipment, chemical processing	Power generation, chemical processing	Structural, food processing	Structural, general-purpose	Welded structures, food processing	Kitchenware, architectural	Chemical, food processing	Chemical, pharmaceutical

• ASME SA240/ASTM A240 UNS S30615 vs ASME SA240 UNS S30415: S30615 offers superior high-temperature oxidation resistance, while sa 240/a 240 uns s30415 is optimized for general high-temperature strength.
• ASME SA240/ASTM A240 UNS S30615 vs ASME SA240 UNS S30451: S30615 provides better high-temperature performance and corrosion resistance, while sa 240/a 240 uns s30451 offers enhanced strength for structural applications.
• ASME SA240/ASTM A240 UNS S30615 vs ASME SA240 UNS S30452: S30615 excels in high-temperature environments, while sa 240/a 240 uns s30452 provides higher strength due to increased nitrogen content.
• ASME SA240/ASTM A240 UNS S30615 vs ASME SA240 UNS S30453: S30615 offers better corrosion resistance and high-temperature performance, while sa 240/a 240 uns s30453 provides superior weldability.
• ASME SA240/ASTM A240 UNS S30615 vs ASME SA240 UNS S30500: S30615 provides superior high-temperature oxidation resistance, while sa 240/a 240 uns s30500 excels in formability for kitchenware applications.
• ASME SA240/ASTM A240 UNS S30615 vs ASME SA240 UNS S30600/S30601: S30615 offers enhanced high-temperature performance due to higher molybdenum and nitrogen content, while sa 240/a 240 uns s30600 and sa 240/a 240 uns s30601 are optimized for weldability in milder environments.

Conclusion: Choose sa 240/a 240 uns s30615 for high-temperature, corrosion-resistant applications, sa 240/a 240 uns s30415 for general high-temperature needs, sa 240/a 240 uns s30451 or sa 240/a 240 uns s30452 for higher strength, sa 240/a 240 uns s30453 for weldable structures, sa 240/a 240 uns s30500 for formable applications, or sa 240/a 240 uns s30600 or sa 240/a 240 uns s30601 for milder corrosion-resistant applications.

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ASME SA240/ASTM A240 UNS S30615 Equivalent Materials

 

ASME SA240/ASTM A240 UNS S30615aligns 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 S30615 a versatile choice for high-temperature applications.

Standard	Grade
UNS	S30615
W.Nr.	1.4941
EN	X8CrNiSi18-15
ASTM	A240
ASME	SA240

Note: ASME SA240/ASTM A240 UNS S30615 equivalent grades comply with sa 240/a 240 uns stainless grades standards, offering interchangeability with sa 240/a 240 uns s30815 for similar high-temperature applications.

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ASME SA240/ASTM A240 UNS S30615 Allowable Stress

 

The allowable stress values for ASME SA240/ASTM A240 UNS S30615, per ASME BPVC Section II, Part D, ensure reliable performance in high-temperature environments.

These values reflect the material’s ability to withstand mechanical stresses at elevated temperatures while maintaining corrosion resistance.

Temperature (°C)	Allowable Stress (MPa)
100	140
200	130
300	120
400	110
500	100

Note: These values ensure sa 240/a 240 uns s30615 performs reliably in furnace and chemical processing applications.

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ASME SA240/ASTM A240 UNS S30615 Price

 

The ASME SA240/ASTM A240 UNS S30615 price per kg ranges from USD 6-9 per kg (FOB), influenced by several factors:

The high-temperature oxidation resistance and corrosion resistance of ASME SA240/ASTM A240 UNS S30615 make it a valuable choice for power generation and chemical processing applications.

• Alloy Content: Higher molybdenum and nitrogen content increase costs compared to sa 240/a 240 uns s30415 but reduce costs compared to sa 240/a 240 uns s31254.
• Market Demand: High demand in power generation and chemical industries drives UNS S30615 price.
• Product Form: ASME SA240/ASTM A240 UNS S30615 sheets may cost more than coils due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASME SA240/ASTM A240 UNS S30615 cost.

For a precise ASME SA240/ASTM A240 UNS S30615 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 s30615 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 s30415: Nitrogen-enhanced austenitic stainless steel for high-temperature applications.
• sa 240/a 240 uns s30451: Nitrogen-enhanced austenitic stainless steel for balanced strength.
• sa 240/a 240 uns s30452: High-nitrogen austenitic stainless steel for enhanced strength.
• sa 240/a 240 uns s30453: Low-carbon austenitic stainless steel for enhanced weldability.
• sa 240/a 240 uns s30500: Austenitic stainless steel for formable applications.
• sa 240/a 240 uns s30600: Low-carbon austenitic stainless steel for corrosion resistance.
• sa 240/a 240 uns s30601: Low-carbon austenitic stainless steel for chemical processing.
• 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 s30941: High-carbon, niobium-stabilized austenitic stainless steel for creep resistance.
• 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.
• sa 240/a 240 uns s31653: Low-carbon, nitrogen-enhanced austenitic stainless steel for weldability.

Note: These grades complement sa 240/a 240 uns s30615 in high-temperature, chemical, and corrosion-resistant 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 S30615 and ASME SA240 UNS S30415?

A: ASME SA240/ASTM A240 UNS S30615 offers superior high-temperature oxidation resistance due to higher molybdenum and nitrogen content, while sa 240/a 240 uns s30415 is optimized for general high-temperature strength.

Q: Is ASME SA240/ASTM A240 UNS S30615 suitable for high-temperature applications?

A: Yes, its excellent high-temperature oxidation resistance and corrosion resistance make it ideal for furnace components compared to sa 240/a 240 uns s30600.

Q: How does the price of ASME SA240/ASTM A240 UNS S30615 compare to ASME SA240 UNS S31254?

A: ASME SA240/ASTM A240 UNS S30615 is typically 20-30% less expensive than sa 240/a 240 uns s31254 due to lower molybdenum content, offering cost-effective performance for high-temperature applications.

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Contact Us

 

For sa 240/a 240 uns s30615 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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