ASME SA240 / ASTM A240 UNS S43932 Stainless Steel Sheet

 

Gangsteel introduces sa240/a240 uns s43932, a premium ferritic stainless steel sheet compliant with sa240/a240 uns stainless grades standards, including ASTM A240 and ASME SA240. Renowned for its outstanding corrosion resistance, exceptional weldability, and balanced strength, UNS S43932 is tailored for demanding applications such as automotive exhaust systems and industrial components. As a leading uns stainless supplier, Gangsteel leverages an inventory exceeding 600 tons and advanced manufacturing to deliver customized, high-quality solutions worldwide with rapid delivery.

This article dives into the properties of ASME SA240/ASTM A240 UNS S43932, detailing its chemical composition, density, mechanical properties, corrosion resistance, weldability, surface finishes, equivalent materials, specifications, applications, and competitive pricing. Ideal for automotive and industrial projects, UNS S43932 offers a reliable, cost-effective solution. Explore related grades like sa240/a240 uns s41003 to meet diverse project needs.

Why Choose ASME SA240/ASTM A240 UNS S43932 Stainless Steel Sheet?

 

ASME SA240/ASTM A240 UNS S43932, a ferritic stainless steel, features 17.0-19.0% chromium and titanium stabilization (0.5% max), delivering excellent corrosion resistance, superior weldability, and moderate strength. Designed for applications like automotive exhaust systems, industrial equipment, and structural components, it benefits from titanium stabilization and low carbon content (≤ 0.03%), which prevent carbide precipitation during welding, surpassing non-stabilized grades like sa240/a240 uns s43000. Its ferritic structure ensures robust scaling resistance up to 815°C (1500°F).

Compared to sa240/a240 uns s41008, UNS S43932 offers superior corrosion resistance due to higher chromium content, and it is more cost-effective than high-alloy grades like sa240/a240 uns s44400. While less resistant to severe chloride environments, its weldability and affordability make it a top choice for automotive and industrial applications, leveraging Gangsteel’s expertise in high-performance alloys, as seen in their offerings of Inconel, Hastelloy, and duplex stainless steels.

Key benefits include:

• Excellent Corrosion Resistance: High chromium (17.0-19.0%) ensures robust performance in mild to moderately corrosive environments, outperforming sa240/a240 uns s42900.
• Superior Weldability: Titanium stabilization enhances weldability compared to sa240/a240 uns s43400.
• High Heat Resistance: Suitable for temperatures up to 815°C (1500°F), matching sa240/a240 uns s43035.
• Cost-Effectiveness: More affordable than sa240/a240 uns s44626.

Case Study: An automotive manufacturer in India utilized UNS S43932 sheets for exhaust components, achieving a 25% reduction in welding defects compared to sa240/a240 uns s43600 due to its titanium stabilization.

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ASME SA240/ASTM A240 UNS S43932 Density

 

The density of ASME SA240/ASTM A240 UNS S43932 is approximately 7.70 g/cm³ (0.278 lb/in³), typical for ferritic stainless steels with low nickel and titanium stabilization. This density supports precise weight calculations for applications like automotive exhausts, aligning with sa240/a240 uns s41003 (7.70 g/cm³) and slightly less than sa240/a240 uns s42035 (7.75 g/cm³).

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Corrosion Resistance of ASME SA240/ASTM A240 UNS S43932

 

ASME SA240/ASTM A240 UNS S43932provides excellent corrosion resistance in mild to moderately corrosive environments, driven by its 17.0-19.0% chromium content and titanium stabilization, with a pitting resistance equivalent number (PREN) of ~17.0-19.0. Ideal for automotive exhausts and industrial equipment, it outperforms sa240/a240 uns s41008 but is less resistant to severe chloride environments compared to sa240/a240 uns s44400. Its high-temperature oxidation resistance is comparable to sa240/a240 uns s43000.

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Weldability of ASME SA240/ASTM A240 UNS S43932

 

The low carbon content (≤ 0.03%) and titanium stabilization (0.5% max) ensure ASME SA240/ASTM A240 UNS S43932 has excellent weldability, minimizing carbide precipitation and intergranular corrosion. It outperforms non-stabilized grades like sa240/a240 uns s42900 and is comparable to sa240/a240 uns s43035. Suitable for TIG, MIG, and shielded metal arc welding, it uses titanium-stabilized or low-carbon ferritic fillers to maintain integrity.

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ASME SA240/ASTM A240 UNS S43932 Stainless Steel Surface Finishes

 

Surface finishes enhance the versatility of ASME SA240/ASTM A240 UNS S43932 for automotive and industrial applications:

Surface Finish	Definition/Feature	Summary of Manufacturing Method	Application/Use
NO.1	Silver white, matte	Hot rolled, heat treated, and pickled	Industrial tanks, pipes, no gloss needed
2B	Stronger gloss than NO.2D	Cold rolled, heat treated, pickled, and lightly polished	Automotive exhausts, industrial equipment
NO.2D/2BB	Silver white	Cold rolled, heat treated, and pickled	Deep-drawn components, general materials
NO.3	Rough grinding	Polished with 100-120# abrasives (JIS R6001)	Building materials, automotive components
NO.4 (4K)	Intermediate grinding	Polished with 150-180# abrasives (JIS R6001)	Architectural panels, industrial components
NO.240	Fine grinding	Ground with 240# abrasive belt	Precision components, decorative parts
NO.320	Very fine grinding	Ground with 320# abrasive belt	High-end industrial components
NO.400	Gloss close to BA	Polished with 400# wheel	Decorative trim, industrial fittings
HL	Hairline, continuous streaks	Polished with 150-240# abrasive for hairline effect	Architectural cladding, structural components
BA (No.6/BA1/BA0)	Mirror-like, bright	Cold rolled with bright heat treatment	Decorative surfaces, high-end fittings
NO.7	Near-mirror polishing	Polished with 600# rotary wheel	Art installations, decorative applications
NO.8 (Mirror/8K)	Shining mirror finish	Polished with fine wheels	Reflectors, architectural accents

These finishes make sa240/a240 uns s43932 suitable for applications like 2B for exhaust systems or BA for decorative panels.

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Chemical Composition of ASME SA240/ASTM A240 UNS S43932

 

The ASME SA240/ASTM A240 UNS S43932 chemical composition is optimized for corrosion resistance and weldability, compliant with sa240/a240 uns stainless grades standards.

Element	Percentage (%)
Chromium (Cr)	17.0 – 19.0
Titanium (Ti)	0.5 max
Carbon (C)	≤ 0.03
Manganese (Mn)	≤ 1.0
Silicon (Si)	≤ 1.0
Phosphorus (P)	≤ 0.040
Sulfur (S)	≤ 0.030
Nickel (Ni)	≤ 0.5
Nitrogen (N)	≤ 0.03
Iron (Fe)	Balance (~80%)

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Mechanical Properties of ASME SA240/ASTM A240 UNS S43932

 

The ASME SA240/ASTM A240 UNS S43932 mechanical properties provide moderate strength, good ductility, and excellent weldability, ideal for automotive and industrial uses. Annealing at 815-900°C (1500-1650°F) optimizes performance.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 415 (60 ksi)
Yield Strength (MPa)	≥ 275 (40 ksi)
Elongation (%)	≥ 20
Hardness (HBW)	≤ 183
Density	7.70 g/cm³ (0.278 lb/in³)

Clients have leveraged sa240/a240 uns s43932 for industrial panels, benefiting from its corrosion resistance compared to sa240/a240 uns s41045.

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Specifications and Forms of ASME SA240/ASTM A240 UNS S43932

 

Gangsteel supplies sa240/a240 uns s43932 in various forms, compliant with ASTM A240 and ASME SA240 standards, ensuring precision for global projects.

• Sheet and Plate: Thickness from 0.1 mm to 6 mm (sheet) or 0.5 mm to 50 mm (plate), width up to 2000 mm, length 2000-12000 mm (or coiled). Finishes include 2B, No.1, No.4, BA, or custom. Used for automotive exhausts and industrial panels.
• Coil: Thickness 0.1-6 mm, width up to 2000 mm, for welded pipes and continuous production.
• Bar: Diameter 6-300 mm, length up to 12000 mm, hot-rolled or cold-drawn, for structural components.
• Custom Components: Includes flanges (ASME B16.5), fittings, and CNC-machined parts like stainless cutting sheet part, with ±0.05 mm tolerances.

Note: Contact admin@gangsteel.com for custom sizes or finishes to meet your project needs.

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Applications of ASME SA240/ASTM A240 UNS S43932

 

ASME SA240/ASTM A240 UNS S43932excels in industries requiring corrosion resistance and weldability. Its ferritic structure suits moderately corrosive environments.

Key applications include:

• Automotive Exhausts: Ideal for mufflers and catalytic converters, leveraging its weldability.
• Industrial Equipment: Plates for chemical processing components, outperforming sa240/a240 uns s41050.
• Structural Supports: Bars for industrial frameworks.
• Architectural Panels: Sheets for cladding with aesthetic finishes.
• Welded Components: Cost-effective for general-purpose applications.

Case Study: An Indian industrial firm used UNS S43932 sheets for heat exchanger components, reducing costs by 20% compared to sa240/a240 uns s44400 while maintaining performance.

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Comparison of ASME SA240/ASTM A240 UNS S43932 with Related Grades

 

To guide material selection, this table compares sa240/a240 uns s43932 with six ferritic grades:

Property	UNS S43932	UNS S41003	UNS S41008	UNS S42900	UNS S43000	UNS S43035	UNS S43600
UNS Number	S43932	S41003	S41008	S42900	S43000	S43035	S43600
Type	Ferritic	Ferritic	Ferritic	Ferritic	Ferritic	Ferritic	Ferritic
Chromium Content	17.0-19.0%	10.5-12.5%	11.5-13.5%	14.0-16.0%	16.0-18.0%	17.0-19.0%	16.0-18.0%
Nickel Content	≤ 0.5%	≤ 1.0%	≤ 0.60%	≤ 0.75%	≤ 0.75%	≤ 0.5%	≤ 0.5%
Manganese Content	≤ 1.0	≤ 1.5	≤ 1.0	≤ 1.0	≤ 1.0	≤ 1.0	≤ 1.0
Molybdenum Content	-	-	-	-	-	-	0.75-1.25%
Nitrogen Content	≤ 0.03%	≤ 0.03%	-	-	-	≤ 0.03%	-
Carbon Content	≤ 0.03%	≤ 0.03%	≤ 0.08%	≤ 0.12%	≤ 0.12%	≤ 0.03%	≤ 0.08%
Corrosion Resistance	Excellent	Good	Good	Good	Good	Excellent	Good
Strength	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate	Moderate
Temp Range	Up to 815°C	Up to 650°C	Up to 650°C	Up to 675°C	Up to 815°C	Up to 815°C	Up to 815°C
Cost (USD/kg)	3-5	2.5-4	3-5	3-5	3-5	3-5	3.5-5.5
Applications	Automotive exhausts, industrial	Structural supports	Automotive, industrial	Appliances, industrial	Appliances	Automotive exhausts	Automotive exhausts

• UNS S43932 vs UNS S41003: Offers better corrosion resistance and weldability due to higher chromium and titanium stabilization, unlike sa240/a240 uns s41003, which is cost-effective for structural use.
• UNS S43932 vs UNS S41008: Superior corrosion resistance and weldability compared to sa240/a240 uns s41008.
• UNS S43932 vs UNS S42900: Better weldability and corrosion resistance than sa240/a240 uns s42900 due to stabilization.
• UNS S43932 vs UNS S43000: Enhanced weldability compared to sa240/a240 uns s43000.
• UNS S43932 vs UNS S43035: Similar performance to sa240/a240 uns s43035, with slight titanium content variations.
• UNS S43932 vs UNS S43600: Lacks molybdenum but matches weldability of sa240/a240 uns s43600.

Conclusion: Select UNS S43932 for weldable, corrosion-resistant automotive exhausts, or consider sa240/a240 uns s41500 for high-strength needs.

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Equivalent Materials for ASME SA240/ASTM A240 UNS S43932

 

ASME SA240/ASTM A240 UNS S43932aligns with global standards, ensuring versatility across regions

Standard	Grade
UNS	S43932
W.Nr.	1.4595
EN	X2CrTi17
GB	022Cr17Ti
JIS	SUS 439
ASTM	A240
ASME	SA240

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Allowable Stress for ASME SA240/ASTM A240 UNS S43932

 

Per ASME BPVC Section II, Part D, ASME SA240/ASTM A240 UNS S43932 offers reliable performance in moderately corrosive environments.

Temperature (°C)	Allowable Stress (MPa)
100	115
200	105
300	95
400	85
500	75

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Price of ASME SA240/ASTM A240 UNS S43932

 

The ASME SA240/ASTM A240 UNS S43932 price per kg ranges from USD 3-5 per kg (FOB), driven by alloy content, market demand, product form, and global supply chain factors. It is competitive with sa240/a240 uns s43000 and approximately 20-30% less expensive than sa240/a240 uns s44400. Contact admin@gangsteel.com for precise quotes.

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Related Stainless Steel Grades

 

Gangsteel’s sa240/a240 uns stainless grades portfolio includes a wide range of grades to complement sa240/a240 uns s43932, ensuring solutions for various applications:

• sa240/a240 uns s40500: Ferritic stainless steel for automotive and heat exchanger applications.
• sa240/a240 uns s40900: Ferritic stainless steel for automotive exhausts.
• sa240/a240 uns s40910: Ferritic stainless steel for cost-effective applications.
• sa240/a240 uns s40920: Ferritic stainless steel for automotive exhausts.
• sa240/a240 uns s40930: Ferritic stainless steel for general-purpose applications.
• sa240/a240 uns s40945: Ferritic stainless steel for corrosion-resistant applications.
• sa240/a240 uns s40975: Ferritic stainless steel for automotive components.
• sa240/a240 uns s40977: Ferritic stainless steel for cost-effective applications.
• sa240/a240 uns s41000: Martensitic stainless steel for high-strength applications.
• sa240/a240 uns s41003: Ferritic stainless steel for structural supports and industrial applications.
• sa240/a240 uns s41008: Ferritic stainless steel for automotive and industrial applications.
• sa240/a240 uns s41045: Ferritic stainless steel for corrosion-resistant applications.
• sa240/a240 uns s41050: Ferritic stainless steel for general-purpose applications.
• sa240/a240 uns s41500: Martensitic stainless steel for high strength and corrosion resistance.
• sa240/a240 uns s42035: Martensitic stainless steel for high-strength applications.
• sa240/a240 uns s42900: Ferritic stainless steel for corrosion resistance.
• sa240/a240 uns s43000: Ferritic stainless steel for appliances and trim.
• sa240/a240 uns s43035: Ferritic stainless steel for corrosion-resistant applications.
• sa240/a240 uns s43400: Ferritic stainless steel for automotive trim.
• sa240/a240 uns s43600: Ferritic stainless steel for corrosion-resistant applications.
• sa240/a240 uns s43932: Ferritic stainless steel for automotive and industrial applications.
• sa240/a240 uns s44400: Ferritic stainless steel for chloride-rich environments.
• sa240/a240 uns s44500: Ferritic stainless steel for corrosion resistance.
• sa240/a240 uns s44626: Ferritic stainless steel for high-temperature corrosion resistance.
• sa240/a240 uns s44627: Ferritic stainless steel for high-temperature applications.
• sa240/a240 uns s44635: Ferritic stainless steel for corrosion and heat resistance.
• sa240/a240 uns s44660: Ferritic stainless steel for severe corrosive environments.
• sa240/a240 uns s44700: Ferritic stainless steel for high corrosion resistance.
• sa240/a240 uns s44735: Ferritic stainless steel for extreme corrosion resistance.
• sa240/a240 uns s44800: Ferritic stainless steel for high corrosion resistance.
• sa240/a240 uns s46800: Ferritic stainless steel for corrosion-resistant applications.

Note: These grades complement sa240/a240 uns s43932 in corrosion-resistant and automotive/industrial applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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FAQ

 

Q: How does UNS S43932 compare to UNS S43035?

A: Both offer excellent weldability, but UNS S43932 has slightly different titanium content compared to sa240/a240 uns s43035, providing similar performance for automotive exhausts.

Q: Is UNS S43932 suitable for automotive exhausts?

A: Yes, its corrosion resistance and weldability make it ideal, outperforming sa240/a240 uns s41000 in weldability.

Q: What’s the price difference with UNS S44400?

A: UNS S43932 is 20-30% less expensive than sa240/a240 uns s44400, offering cost-effective performance for similar applications.

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Contact Us

 

Reach out to Gangsteel at admin@gangsteel.com for quotes, technical data, or custom solutions for sa240/a240 uns s43932.

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