ASTM A240 / ASME SA240 UNS N08020 Stainless Steel Plate

 

ASTM A240/ASME SA240 UNS N08020 Stainless Steel Plate for sale

 

For applications requiring excellent corrosion resistance, high strength, and durability in aggressive chemical environments, ASTM A240/ASME SA240 UNS N08020 Stainless Steel Plate is a top choice. As a leading uns stainless supplier, Gangsteel offers premium sa 240/a 240 uns n08020 plates, sheets, 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 processing capabilities, we ensure rapid delivery and tailored solutions for clients worldwide.

Gangsteel explores the ASTM A240/ASME SA240 UNS N08020 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASTM A240/ASME SA240 UNS N08020 price per kg. Whether you're an engineer designing chemical processing equipment or a procurement specialist sourcing for sulfuric acid environments, this article will clarify why Alloy 20 (UNS N08020) stainless steel is a trusted option. Explore our sa 240/a 240 uns stainless grades portfolio for related grades like sa 240/a 240 uns n08367, sa 240/a 240 uns n08800, sa 240/a 240 uns n08810, sa 240/a 240 uns n08811, sa 240/a 240 uns n08926, and sa 240/a 240 uns s31277.

Why Choose ASTM A240/ASME SA240 UNS N08020 Stainless Steel Plate?

 

ASTM A240/ASME SA240 UNS N08020, commonly known as Alloy 20, is an austenitic stainless steel with 19.0-21.0% chromium, 32.0-38.0% nickel, 2.0-3.0% molybdenum, and 3.0-4.0% copper. It is specifically designed for superior resistance to sulfuric acid and other aggressive chemical environments, making it ideal for applications in chemical processing, pharmaceutical, and food industries. The addition of niobium stabilizes the alloy against sensitization, enhancing its resistance to intergranular corrosion and improving weldability.

The ASTM A240/ASME SA240 UNS N08020 stainless steel plate offers exceptional corrosion resistance compared to sa 240/a 240 uns n08800, particularly in acidic environments, and its high nickel content provides better performance than sa 240/a 240 uns s31277 in certain chemical applications. Its versatility and durability make it a preferred choice for demanding environments.

Key benefits of ASTM A240/ASME SA240 UNS N08020 stainless steel plate include:

• Superior Corrosion Resistance: High nickel, molybdenum, and copper content provide excellent resistance to sulfuric acid and pitting, outperforming sa 240/a 240 uns n08810 in acidic environments.
• High Strength: Offers robust mechanical properties suitable for chemical processing equipment, surpassing sa 240/a 240 uns s31277 in specific applications.
• Excellent Weldability: Niobium stabilization minimizes intergranular corrosion, making it ideal for welded structures compared to unstabilized grades.
• Cost-Effective for Acidic Environments: Provides a balance of performance and cost compared to higher-alloy grades like sa 240/a 240 uns n08367.

Case Study: A chemical processing plant in India used sa 240/a 240 uns n08020 plates for sulfuric acid storage tanks, achieving a 40% longer service life due to its superior acid resistance compared to sa 240/a 240 uns n08800.

Keywords: ASTM A240/ASME SA240 UNS N08020 stainless steel plate, UNS N08020 plate, Alloy 20 stainless steel, acid-resistant stainless steel plate

ASTM A240/ASME SA240 UNS N08020 Chemical Composition

 

The ASTM A240/ASME SA240 UNS N08020 chemical composition is optimized for corrosion resistance, strength, and weldability, compliant with sa 240/a 240 uns stainless grades standards.

The high nickel (32.0-38.0%), molybdenum (2.0-3.0%), and copper (3.0-4.0%) content provide exceptional resistance to sulfuric acid and pitting corrosion, while niobium (8xC to 1.0%) stabilizes the alloy against sensitization. This makes ASTM A240/ASME SA240 UNS N08020 superior to sa 240/a 240 uns n08811 for acidic environments.

Element	Percentage (%)
Chromium (Cr)	19.0 – 21.0
Nickel (Ni)	32.0 – 38.0
Molybdenum (Mo)	2.0 – 3.0
Copper (Cu)	3.0 – 4.0
Niobium (Nb)	8xC – 1.0
Carbon (C)	≤ 0.07
Manganese (Mn)	≤ 2.0
Silicon (Si)	≤ 1.0
Phosphorus (P)	≤ 0.045
Sulfur (S)	≤ 0.035
Iron (Fe)	Balance (~35%)

Keywords: ASTM A240/ASME SA240 UNS N08020 chemical composition, UNS N08020 composition, Alloy 20 chemistry, ASME SA240 Gr N08020 composition

ASTM A240/ASME SA240 UNS N08020 Mechanical Properties

 

The ASTM A240/ASME SA240 UNS N08020 mechanical properties offer a balance of high strength, ductility, and corrosion resistance, suitable for demanding chemical applications.

These properties ensure that ASTM A240/ASME SA240 UNS N08020 stainless steel plate can withstand mechanical stresses in aggressive environments. Solution annealing at 925-1010°C (1700-1850°F) optimizes UNS N08020 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 (%)	≥ 30
Hardness (HBW)	≤ 217
Density	8.1 g/cm³ (0.292 lb/in³)

At Gangsteel, we’ve seen clients use sa 240/a 240 uns n08020 plates in pharmaceutical reactors, where its corrosion resistance and strength outperform sa 240/a 240 uns n08800 in sulfuric acid environments.

Keywords: ASTM A240/ASME SA240 UNS N08020 mechanical properties, UNS N08020 strength, Alloy 20 properties, ASME SA240 Gr N08020 mechanical properties

ASTM A240/ASME SA240 UNS N08020 Specifications and Forms

 

As a trusted uns stainless supplier, Gangsteel supplies sa 240/a 240 uns n08020 plates, sheets, coils, bars, and custom components, compliant with sa 240/a 240 uns stainless grades standards:

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

Plate and Sheet

• Thickness: 0.1 mm to 6 mm (sheet), 0.5 mm to 100 mm (plate)
• Width: Up to 3000 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: ASTM A240, ASME SA240
• Applications: sa 240/a 240 uns n08020 plates for chemical reactors, UNS N08020 sheets for pharmaceutical equipment

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 tubes

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: ASTM A240/ASME SA240 UNS N08020 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 ASTM A240/ASME SA240 UNS N08020 material specifications.

Keywords: ASTM A240/ASME SA240 UNS N08020 stainless steel plate specifications, UNS N08020 plate specifications, ASME SA 240 Gr N08020 coil, ASME SA 240 Gr N08020 bar

Applications of ASTM A240/ASME SA240 UNS N08020 Stainless Steel Plate

 

ASTM A240/ASME SA240 UNS N08020 stainless steel plateis tailored for industries requiring superior corrosion resistance in aggressive chemical environments, particularly those involving sulfuric acid. Its austenitic structure ensures durability and performance in demanding applications.

Key ASTM A240/ASME SA240 UNS N08020 applications include:

• Chemical Processing: sa 240/a 240 uns n08020 plates for sulfuric acid tanks and reactors.
• Pharmaceutical: UNS N08020 sheets for equipment requiring hygiene and corrosion resistance.
• Food Processing: ASTM A240/ASME SA240 UNS N08020 bars for components in acidic food environments.
• Petrochemical: Piping and fittings for corrosive environments.
• Power Generation: Components for flue gas desulfurization systems.

Case Study: A petrochemical facility in India used sa 240/a 240 uns n08020 plates for acid processing equipment, reducing corrosion-related maintenance by 35% compared to sa 240/a 240 uns n08810 due to its superior acid resistance.

Keywords: ASTM A240/ASME SA240 UNS N08020 applications, UNS N08020 uses, Alloy 20 applications, ASME SA240 Gr N08020 applications

ASTM A240/ASME SA240 UNS N08020 vs Related Grades

 

To aid in material selection, here’s a comparison of sa 240/a 240 uns n08020 with sa 240/a 240 uns n08367, sa 240/a 240 uns n08800, sa 240/a 240 uns n08810, sa 240/a 240 uns n08811, sa 240/a 240 uns n08926, and sa 240/a 240 uns s31277:

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

Property	ASTM A240/ASME SA240 UNS N08020	ASME SA240 UNS N08367	ASME SA240 UNS N08800	ASME SA240 UNS N08810	ASME SA240 UNS N08811	ASME SA240 UNS N08926	ASME SA240 UNS S31277
UNS Number	N08020	N08367	N08800	N08810	N08811	N08926	S31277
Type	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic	Austenitic
Chromium Content	19.0-21.0%	20.0-22.0%	19.0-23.0%	19.0-23.0%	19.0-23.0%	19.0-21.0%	20.5-23.0%
Nickel Content	32.0-38.0%	23.5-25.5%	30.0-35.0%	30.0-35.0%	30.0-35.0%	24.0-26.0%	26.0-28.0%
Molybdenum Content	2.0-3.0%	6.0-7.0%	-	-	-	6.0-7.0%	6.5-8.0%
Copper Content	3.0-4.0%	≤ 0.75%	≤ 0.75%	≤ 0.75%	≤ 0.75%	0.5-1.5%	0.5-1.5%
Carbon Content	≤ 0.07%	≤ 0.03%	≤ 0.10%	0.05-0.10%	0.06-0.10%	≤ 0.02%	≤ 0.02%
Corrosion Resistance	Excellent in sulfuric acid	Superior in chlorides	Good in high-temp	Good in high-temp	Excellent in high-temp	Superior in chlorides	Superior in chlorides
Strength	Moderate	Moderate	Moderate	Moderate	Moderate	High	High
Temp Range	Up to 870°C (1598°F)	Up to 870°C (1598°F)	Up to 1100°C (2012°F)	Up to 1100°C (2012°F)	Up to 1150°C (2102°F)	Up to 870°C (1598°F)	Up to 870°C (1598°F)
Cost (USD/kg)	8-12	10-15	7-10	7-10	8-12	10-15	12-18
Applications	Chemical, pharmaceutical	Marine, chemical	High-temp furnaces	High-temp furnaces	High-temp furnaces	Marine, chemical	Marine, chemical

• ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08367: N08020 excels in sulfuric acid environments due to high copper content, while sa 240/a 240 uns n08367 offers superior chloride resistance.
• ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08800: N08020 is better for acidic environments, while sa 240/a 240 uns n08800 is designed for high-temperature applications.
• ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08810: N08020 provides better acid resistance, while sa 240/a 240 uns n08810 is optimized for high-temperature strength.
• ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08811: N08020 is suited for chemical processing, while sa 240/a 240 uns n08811 excels in extreme high-temperature environments.
• ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08926: N08020 is cost-effective for sulfuric acid applications, while sa 240/a 240 uns n08926 offers superior chloride resistance.
• ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS S31277: N08020 is optimized for acid resistance, while sa 240/a 240 uns s31277 provides higher strength and chloride resistance.

Conclusion: Choose sa 240/a 240 uns n08020 for sulfuric acid and chemical processing applications, sa 240/a 240 uns n08367 or sa 240/a 240 uns n08926 for chloride-rich environments, sa 240/a 240 uns n08800, sa 240/a 240 uns n08810, or sa 240/a 240 uns n08811 for high-temperature applications, or sa 240/a 240 uns s31277 for high-strength, chloride-resistant applications.

Keywords: ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08367, ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08800, ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08810, ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08811, ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS N08926, ASTM A240/ASME SA240 UNS N08020 vs ASME SA240 UNS S31277, Alloy 20 comparison

ASTM A240/ASME SA240 UNS N08020 Equivalent Materials

 

ASTM A240/ASME SA240 UNS N08020aligns 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 ASTM A240/ASME SA240 UNS N08020 a versatile choice for corrosion-resistant applications.

Standard	Grade
UNS	N08020
W.Nr.	2.4660
EN	NiCr20CuMo
ASTM	A240 n08020
ASME	SA240 n08020

Note: ASTM A240/ASME SA240 UNS N08020 equivalent grades comply with sa 240/a 240 uns stainless grades standards, offering interchangeability with sa 240/a 240 uns n08367 for specific applications.

Keywords: ASTM A240/ASME SA240 UNS N08020 equivalent, UNS N08020 equivalent, ASME SA 240 Gr N08020 material standards, EN NiCr20CuMo

ASTM A240/ASME SA240 UNS N08020 Allowable Stress

 

The allowable stress values for ASTM A240/ASME SA240 UNS N08020, per ASME BPVC Section II, Part D, ensure reliable performance in corrosive environments.

These values reflect the material’s ability to withstand mechanical stresses while maintaining corrosion resistance in aggressive chemical conditions.

Temperature (°C)	Allowable Stress (MPa)
100	160
200	150
300	140
400	130
500	120

Note: These values ensure sa 240/a 240 uns n08020 performs reliably in chemical processing and pharmaceutical equipment.

Keywords: ASTM A240/ASME SA240 UNS N08020 allowable stress, UNS N08020 strength, ASME SA240 Gr N08020 material stress

ASTM A240/ASME SA240 UNS N08020 Price

 

The ASTM A240/ASME SA240 UNS N08020 price per kg ranges from USD 8-12 per kg (FOB), influenced by several factors:

The superior corrosion resistance and strength of ASTM A240/ASME SA240 UNS N08020 make it a premium choice for chemical processing applications.

• Alloy Content: High nickel (32.0-38.0%), molybdenum (2.0-3.0%), and copper (3.0-4.0%) increase costs compared to sa 240/a 240 uns n08800.
• Market Demand: High demand in chemical and pharmaceutical industries drives UNS N08020 price.
• Product Form: ASTM A240/ASME SA240 UNS N08020 plates may cost more than sheets due to processing complexity.
• Global Supply Chain: Freight and raw material availability impact ASTM A240/ASME SA240 UNS N08020 cost.

For a precise ASTM A240/ASME SA240 UNS N08020 price per kg or bulk discounts, contact Gangsteel at admin@gangsteel.com.

Keywords: ASTM A240/ASME SA240 UNS N08020 price per kg, UNS N08020 cost, Alloy 20 price

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 n08020 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 n08367: Austenitic stainless steel for superior chloride resistance.
• sa 240/a 240 uns n08800: Austenitic stainless steel for high-temperature furnaces.
• sa 240/a 240 uns n08810: Austenitic stainless steel for high-temperature strength.
• sa 240/a 240 uns n08811: Austenitic stainless steel for extreme high-temperature applications.
• sa 240/a 240 uns n08926: Austenitic stainless steel for superior chloride resistance.
• sa 240/a 240 uns s31277: Austenitic stainless steel for high-strength, chloride-resistant applications.

Note: These grades complement sa 240/a 240 uns n08020 in chemical, pharmaceutical, and high-temperature applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

Keywords: ASTM A240/ASME SA240 UNS N08020 related grades, UNS N08020 stainless steel grades, Alloy 20 grades

FAQ

 

Q: What is the main difference between ASTM A240/ASME SA240 UNS N08020 and ASME SA240 UNS N08367?

A: ASTM A240/ASME SA240 UNS N08020 excels in sulfuric acid environments due to high copper content, while sa 240/a 240 uns n08367 offers superior chloride resistance for marine applications.

Q: Is ASTM A240/ASME SA240 UNS N08020 suitable for chemical processing applications?

A: Yes, its high nickel, molybdenum, and copper content ensure excellent resistance to sulfuric acid, making it ideal for chemical reactors compared to sa 240/a 240 uns n08800.

Q: How does the price of ASTM A240/ASME SA240 UNS N08020 compare to ASME SA240 UNS N08811?

A: ASTM A240/ASME SA240 UNS N08020 is typically priced similarly to sa 240/a 240 uns n08811, but its cost-effectiveness for acid resistance makes it a better choice for chemical applications.

Keywords: ASTM A240/ASME SA240 UNS N08020 FAQ, UNS N08020 stainless steel questions, Alloy 20 FAQ

Contact Us

 

For sa 240/a 240 uns n08020 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.

Keywords: ASTM A240/ASME SA240 UNS N08020 supplier, Gangsteel stainless steel exporter, UNS N08020 plate supplier

Long-Tail Keywords

 

ASTM A240/ASME SA240 UNS N08020 stainless steel plate, UNS N08020 applications, ASME SA240 Gr N08020 mechanical properties