What is asme sa 240 type 329 stainless sheet

What is ASME SA 240 Type 329 Stainless plate?

 

ASME SA 240 Type 329 stainless sheet is a high-strength duplex stainless steel material celebrated for its excellent corrosion resistance, superior mechanical properties, and versatility in challenging environments.

As a prominent exporter of stainless steel plates and coils from China, Gangsteel delivers top-tier ASME SA 240 Type 329 stainless sheet, plate, coil, bar, and custom components, all compliant with ASME SA240 and ASTM A240 standards. With a substantial inventory over 600 tons and advanced processing technology, we provide rapid delivery and customized solutions to clients worldwide.

Gangsteel delves into the ASME SA 240 Type 329 chemical composition, mechanical properties, equivalent materials, specifications, applications, and competitive ASME SA 240 Type 329 price per kg. Explore our ASME SA240 stainless steel plate portfolio for similar grades like ASME SA240 Gr 329, ASME SA240 Type 2205, and ASME SA240 Type 2304.

 

Why Choose ASME SA 240 Type 329 Stainless Sheet?

 

ASME SA 240 Type 329, also known as UNS S32900, is a duplex stainless steel alloy with a balanced ferrite-austenite microstructure, featuring 23.0-28.0% chromium, 2.5-5.0% nickel, and 1.0-2.0% molybdenum. This composition provides high strength, excellent resistance to stress corrosion cracking, and good pitting resistance, making ASME SA 240 Type 329 stainless sheet ideal for applications in chemical processing, marine environments, and oil and gas industries where durability and corrosion resistance are paramount.

Advantages of ASME SA 240 Type 329 sheet include:

• High Strength: Duplex structure offers twice the yield strength of austenitic grades like ASME SA240 Gr 304, allowing for thinner materials and cost savings.
• Superior Corrosion Resistance: Excellent in chloride and acidic environments, outperforming ASME SA240 Gr 316 in stress corrosion cracking resistance.
• Good Weldability: Low carbon content ensures weldability without excessive hardening.
• Cost-Effective: Provides performance similar to super-austenitic alloys at a lower cost.

Case Study: An offshore oil platform in the UAE utilized ASME SA 240 Type 329 stainless sheet for piping, reducing weight and maintenance costs by 25% due to its high strength and corrosion resistance.

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ASME SA 240 Type 329 Chemical Composition

 

The ASME SA 240 Type 329 chemical composition is optimized for strength, corrosion resistance, and weldability, compliant with ASME SA240 standards.

Element	Percentage (%)
Chromium (Cr)	23.0 – 28.0
Nickel (Ni)	2.5 – 5.0
Molybdenum (Mo)	1.0 – 2.0
Carbon (C)	≤ 0.08
Manganese (Mn)	≤ 1.0
Silicon (Si)	≤ 1.0
Phosphorus (P)	≤ 0.04
Sulfur (S)	≤ 0.03
Iron (Fe)	Balance (~65%)

Note: The high chromium and molybdenum content enhance pitting resistance (PREN ~ 28-32), while low carbon ensures weldability. This makes ASME SA 240 Type 329 a robust upgrade from ASME SA240 Gr 410 for corrosive applications.

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ASME SA 240 Type 329 Mechanical Properties

 

The ASME SA 240 Type 329 mechanical properties provide high strength, good ductility, and excellent corrosion resistance, suitable for demanding applications.

Property	Value at 20°C
Tensile Strength (MPa)	≥ 620 (90 ksi)
Yield Strength (MPa)	≥ 450 (65 ksi)
Elongation (%)	≥ 20
Hardness (HRB)	≤ 95
Density	7.80 g/cm³ (0.282 lb/in³)

Note: Solution annealing at 1050-1150°C (1922-2102°F) optimizes UNS S32900 mechanical properties for strength and toughness. Contact Gangsteel at admin@gangsteel.com for a detailed ASME SA 240 Type 329 technical data sheet.

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ASME SA 240 Type 329 Specifications and Forms

 

Gangsteel supplies ASME SA 240 Type 329 stainless sheet, plate, coil, bar, and custom components to meet your project’s needs, compliant with ASME SA240 and ASTM A240 standards:

7.1 Sheet and Plate

• Thickness: 0.1 mm to 6 mm (sheet), 0.5 mm to 100 mm (plate)
• 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 SA 240 Type 329 stainless sheet for chemical tanks, UNS S32900 plate for marine 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 SA 240 Type 329 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 oil and gas and chemical 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 SA 240 Type 329 material specifications.

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Applications of ASME SA 240 Type 329 Stainless Sheet

 

ASME SA 240 Type 329 stainless sheetis designed for industries requiring high strength and corrosion resistance. Key ASME SA 240 Type 329 applications include:

• Chemical Processing: ASME SA 240 Type 329 stainless sheet for reactors and tanks in acidic environments.
• Marine: UNS S32900 sheet for offshore platforms and seawater piping.
• Oil and Gas: ASME SA 240 Type 329 bar for pipelines and fittings.
• Pulp and Paper: Components exposed to corrosive chemicals.
• Structural: High-strength frames in corrosive settings.

Case Study: A pulp mill in Europe used ASME SA 240 Type 329 stainless sheet for digesters, improving corrosion resistance and extending service life by 30%.

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ASME SA 240 Type 329 vs Related Grades

 

To assist in material selection, here’s a comparison of ASME SA 240 Type 329 with ASME SA240 Type 2205, ASME SA240 Type 2507, and ASME SA240 Type 2304:

Property	ASME SA 240 Type 329 (S32900)	ASME SA240 Type 2205 (S31803)	ASME SA240 Type 2507 (S32750)	ASME SA240 Type 2304 (S32304)
UNS Number	S32900	S31803	S32750	S32304
Type	Duplex	Duplex	Super-Duplex	Duplex
Nickel Content	2.5-5.0%	4.5-6.5%	6.0-8.0%	3.0-5.5%
Chromium Content	23.0-28.0%	21.0-23.0%	24.0-26.0%	21.5-24.5%
Molybdenum Content	1.0-2.0%	2.5-3.5%	3.0-5.0%	0.05-0.60%
Corrosion Resistance	Good in chlorides and acids	Excellent in chlorides	Superior in aggressive chlorides	Good in mild environments
Strength	High	High	Very High	Moderate
Temp Range	Up to 300°C (572°F)	Up to 300°C (572°F)	Up to 300°C (572°F)	Up to 300°C (572°F)
Cost (USD/kg)	8-15	8-15	10-18	8-15
Applications	Chemical, marine	Marine, oil/gas	Offshore, chemical	Chemical, structural

• ASME SA 240 Type 329 vs ASME SA240 Type 2205: ASME SA 240 Type 329 offers good corrosion resistance at a lower cost, while ASME SA240 Type 2205 provides higher molybdenum for better pitting resistance in marine applications.
• ASME SA 240 Type 329 vs ASME SA240 Type 2507: ASME SA 240 Type 329 is cost-effective for moderate corrosion, while ASME SA240 Type 2507 excels in severe chloride environments with higher strength.
• ASME SA 240 Type 329 vs ASME SA240 Type 2304: Both are duplex, but ASME SA 240 Type 329 has higher chromium and molybdenum for better corrosion resistance, while ASME SA240 Type 2304 is suitable for milder environments at similar costs.

Conclusion: Choose ASME SA 240 Type 329 for balanced corrosion and strength in chemical applications, ASME SA240 Type 2205 for marine uses, ASME SA240 Type 2507 for aggressive environments, or ASME SA240 Type 2304 for cost-effective structural applications.

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ASME SA 240 Type 329 Equivalent Materials

 

ASME SA 240 Type 329aligns with international standards for global compatibility.

Standard	Grade
UNS	S32900
W.Nr.	1.4460
EN	X3CrNiMoN27-5-2
JIS	SUS 329J1
GB	0Cr26Ni5Mo2
ASTM	A240 329
ASME	SA240 329

Note: ASME SA 240 Type 329 equivalent grades comply with ASME SA240, JIS, and GB standards, offering interchangeability with ASME SA240 Gr 329 for high-strength duplex applications.

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ASME SA 240 Type 329 Allowable Stress

 

The allowable stress values for ASME SA 240 Type 329, per ASME BPVC Section II, Part D, ensure reliable performance in high-strength applications.

Temperature (°C)	Allowable Stress (MPa)
100	240
200	220
300	200

Note: These values ensure ASME SA 240 Type 329 performs reliably in chemical tanks and marine components under moderate temperatures.

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ASME SA 240 Type 329 Price

 

The ASME SA 240 Type 329 price per kg ranges from USD 8-15 per kg (FOB), influenced by:

• Alloy Content: High chromium (23.0-28.0%) and molybdenum (1.0-2.0%) increase costs compared to austenitic grades like ASME SA240 Gr 304.
• Market Demand: Demand in chemical and marine industries drives UNS S32900 price.
• Product Form: ASME SA 240 Type 329 plate may cost more than sheet due to processing complexity.
• Global Supply Chain: Freight and availability impact ASME SA 240 Type 329 cost.

For a precise ASME SA 240 Type 329 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 SA 240 Type 329 for various applications:

• ASME SA240 Type 2205: Balanced corrosion resistance for marine applications.
• ASME SA240 Type 2507: Superior corrosion resistance for aggressive chloride environments.
• ASME SA240 Type 2304: Cost-effective for milder corrosive environments.
• ASME SA240 Type 255: Enhanced sulfuric acid resistance for chemical applications.
• ASME SA240 Gr 316: Excellent corrosion resistance for marine applications.
• ASME SA240 Gr 317: High corrosion resistance for chemical processing.
• ASME SA240 Gr 904L: Superior sulfuric acid resistance for chemical applications.
• ASME SA240 Gr 201L: Cost-effective for decorative and structural applications.
• ASME SA240 Gr 201LN: Nitrogen-enhanced for structural and cryogenic applications.
• ASME SA240 Gr 405: Ferritic for heat-resistant applications.
• ASME SA240 Gr 409: Cost-effective for automotive exhaust systems.
• ASME SA240 Gr 410: Martensitic for high-strength applications.
• ASME SA240 Gr 410S: Low-carbon martensitic for improved weldability.
• ASME SA240 Gr 429: Ferritic for corrosion and heat resistance.
• ASME SA240 Gr 430: Ferritic for decorative and appliance applications.
• ASME SA240 Gr 434: Ferritic with molybdenum for enhanced corrosion resistance.
• ASME SA240 Gr 436: Ferritic for automotive and corrosion-resistant applications.
• ASME SA240 Gr 439: Ferritic for exhaust systems and appliances.
• ASME SA240 Gr 444: Ferritic with high corrosion resistance for water tanks.
• ASME SA240 Gr 334: High-temperature resistance for heating elements.
• ASME SA240 Gr 347: Stabilized for high-temperature corrosion resistance.
• ASME SA240 Gr 347H: Enhanced creep resistance for high-temperature applications.
• ASME SA240 Gr 348: Low-cobalt for nuclear applications.
• ASME SA240 Gr 348H: High-carbon for enhanced high-temperature strength.
• ASME SA240 Gr 202: General corrosion resistance for decorative uses.
• ASME SA240 Gr 301: High strength for springs and fasteners.
• ASME SA240 Gr 301L: Low-carbon for improved weldability.
• ASME SA240 Gr 301LN: Nitrogen-enhanced for strength and weldability.
• ASME SA240 Gr 302: General-purpose austenitic stainless steel.
• ASME SA240 Gr 305: High nickel for deep drawing applications.
• ASME SA240 Gr 309CB: High-temperature corrosion resistance.
• ASME SA240 Gr 309H: High-temperature strength for furnaces.
• ASME SA240 Gr 309HCB: Enhanced high-temperature performance.
• ASME SA240 Gr 309S: Corrosion resistance for high-temperature applications.
• ASME SA240 Gr 310CB: High-temperature strength with columbium.
• ASME SA240 Gr 310H: High-temperature resistance for furnaces.
• ASME SA240 Gr 310HCB: Enhanced high-temperature performance.
• ASME SA240 Gr 310MOLN: Nitrogen-enhanced for urea production.
• ASME SA240 Gr 310S: High-temperature corrosion resistance.
• ASME SA240 Gr 316CB: Columbium-stabilized for weldability.
• ASME SA240 Gr 316H: High-temperature strength for chemical processing.
• ASME SA240 Gr 316L: Low-carbon for enhanced weldability.
• ASME SA240 Gr 316LN: Nitrogen-enhanced for strength and corrosion resistance.
• ASME SA240 Gr 316N: High strength for structural applications.
• ASME SA240 Gr 316Ti: Titanium-stabilized for high-temperature weldability.
• ASME SA240 Gr 317: High corrosion resistance for chemical processing.
• ASME SA240 Gr 317L: Low-carbon for acidic environments.
• ASME SA240 Gr 415: High strength for oilfield and turbine applications.

Note: These grades complement ASME SA 240 Type 444 in corrosion-resistant, chemical, and water treatment applications. Contact Gangsteel for a full catalog to find the perfect material for your project.

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FAQ

 

Q: What is the primary benefit of ASME SA 240 Type 444 over ASME SA240 Gr 430?

A: ASME SA 240 Type 444 offers superior pitting resistance due to molybdenum and stabilization, making it suitable for aggressive environments, while ASME SA240 Gr 430 is preferred for decorative applications with lower cost.

Q: Is ASME SA 240 Type 444 suitable for welding?

A: Yes, its low carbon and stabilization ensure excellent weldability without intergranular corrosion.

Q: How does the price of ASME SA 240 Type 444 compare to austenitic grades like ASME SA240 Gr 316?

A: ASME SA 240 Type 444 is typically similar in cost to ASME SA240 Gr 316, but offers better pitting resistance in certain applications at a comparable price point.

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Contact Us

For ASME SA 240 Type 444 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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