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ASTM A240 Grade 329 Stainless Steel Sheet Superior Strength, Excellent Corrosion Resistance
| Place of Origin | China |
|---|---|
| Brand Name | BAOSTEEL TISCO |
| Certification | ISO |
| Model Number | 329 / S32900 |
| Minimum Order Quantity | 50 kgs |
| Price | 5 - 8 USD/Kg |
| Packaging Details | standard packing for export |
| Delivery Time | 5 - 12 days based on the quantity |
| Payment Terms | L/C, T/T, Western Union |
| Supply Ability | 20Ton per week |
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xProduct Details
| Products | Stainless Steel Sheet | Grade | 329 / S32900 |
|---|---|---|---|
| Thickness | 1.0-80.0mm | Tech | Cold Rolled,hot Rolled , Forged |
| Width | 1000mm 1219mm 1500mm Or Customs As Request | Surface | 2B BA NO.1 |
| Standard | ASTM GB JIS EN DIN | MOQ | 1 Ton |
Product Description
ASTM A240 Grade 329 Stainless Steel Sheet Superior Strength, Excellent Corrosion Resistance
Stainless Steel Sheet Specifications
| Name | 329 stainless steel Plate |
| Our Grade |
200 Series: 201 202 300 Series: 301 304,304L,304H,309S,310S,314,316L,316Ti,316H,316LN,317L,321,329,347 400 Series: 409L,410,410S,416,420,430,431,436L.439,441,443,444,445,446 Super Stainless Steel: 904L,926,254SMO,654SMO,15-5PH,17-4PH,17-7PH.etc Nickel Alloy: C276, C22,G35,Alloy X,Monel 400,K500,Inconel 600,601,617,625,718,Incoloy 800,800H,800HT,825.etc |
| Technique | Hot Rolled, Cold Rolled,Forged |
| Standard | JIS, AISI, ASTM, DIN, TUV, BV, SUS, etc |
| Thickness | 0.1 – 80.0mm |
| Width range | 10mm – 2000mm |
| Length | Customized |
| Finish | 2B, BA, No.4, 8k, Brushed,Hairline,PVD Coating,Sandblasted |
| Service | Laser Cutting, Bending |
| Sample | Available |
ASTM A240 Grade 329 Stainless Steel Sheet Superior Strength, Excellent Corrosion Resistance
ASTM A240 Grade 329 (UNS S32900, DIN 1.4460) stainless steel sheet is a high-performance duplex stainless steel that combines the best properties of austenitic and ferritic stainless steels. With its unique microstructure—composed of a balanced mix of austenite and ferrite—this material stands out for superior mechanical strength, exceptional corrosion resistance, and remarkable versatility across demanding industrial applications. Whether used in harsh chemical environments, marine settings, or high-pressure equipment, ASTM A240 Grade 329 stainless steel sheets deliver reliable performance that meets the strictest industry standards (AISI, ASTM, ASME SA240) .
Core Characteristics: Strength and Corrosion Resistance Redefined
1. Superior Mechanical Strength
One of the most notable advantages of ASTM A240 Grade 329 stainless steel sheet is its outstanding strength. Compared to conventional austenitic stainless steels (e.g., 304, 316), Grade 329 offers significantly higher tensile and yield strengths, eliminating the need for thicker materials in structural and pressure-bearing applications. This not only reduces material costs but also simplifies installation and improves overall system efficiency. The material maintains its strength across a wide temperature range, from cryogenic conditions to high-temperature environments, making it suitable for both low and high-temperature operating scenarios .
2. Excellent Corrosion Resistance
ASTM A240 Grade 329 stainless steel sheet excels in resisting corrosion in aggressive environments, particularly those containing chlorides, acids, and alkaline substances. Its high chromium (23.0-28.0%), molybdenum (1.0-2.0%), and nickel (2.5-5.0%) content forms a dense, stable passive film on the surface, preventing oxidation and pitting. This material is highly resistant to stress corrosion cracking (SCC), crevice corrosion, and corrosion fatigue—common failure modes in harsh industrial settings. It performs exceptionally well in marine environments, chemical processing plants, and coastal facilities, where exposure to saltwater, acids, and corrosive chemicals is unavoidable .
3. Versatile Processability
Beyond strength and corrosion resistance, ASTM A240 Grade 329 stainless steel sheet offers excellent processability. It can be easily formed, welded, and machined, adapting to a wide range of manufacturing techniques. Welding operations can be performed using standard methods (TIG, MIG, SMAW) without significant loss of mechanical properties or corrosion resistance, provided proper procedures are followed. The material also exhibits good ductility and formability, allowing for bending, rolling, and stamping into complex shapes required for custom components .
Key Technical Specifications
Chemical Composition (Weight %)
Data compiled from ASTM A240/A240M standards and industry specifications .
Mechanical Properties (Annealed Condition)
Mechanical properties may vary slightly based on thickness and heat treatment .
Product Dimensions and Finishes
ASTM A240 Grade 329 stainless steel sheets are available in a wide range of dimensions to meet diverse application needs:
- Thickness: 0.1 mm - 120 mm
- Width: 100 mm - 3500 mm (common widths: 1000 mm, 1219 mm, 1500 mm, 2000 mm)
- Length: 1000 mm - 12000 mm (custom lengths available; coils also offered)
- Form: Sheets, plates, coils, slitting coils, perforated coils
- Finishes: 2B, 2D, BA, No. 1, No. 4, 8K Mirror, Checkered, Embossed, Hairline, Sandblast, Brush, Etching .
Heat Treatment Options
The material can be subjected to various heat treatment processes to optimize performance:
- Annealing: 1020 - 1100°C (cooled rapidly in water or air)
- Pickling: Removes oxide scale and improves corrosion resistance
- Quenching and Tempering: Enhances hardness and strength for specific applications
- Solid Solution Treatment: Ensures uniform microstructure and maximum corrosion resistance .
Typical Applications
ASTM A240 Grade 329 stainless steel sheets are widely used in industries requiring high strength and corrosion resistance, including:
- Petrochemical and Chemical Industry: Pressure vessels, heat exchangers, piping systems, chemical storage tanks, reactor components (resists dilute sulfuric acid, chlorides, and aggressive chemicals) .
- Marine Engineering: Ship hulls, propeller shafts, pump shafts, marine hardware (resists saltwater corrosion and biofouling) .
- Power Generation: Boiler components, steam turbines, nuclear power plant equipment (handles high temperature and pressure) .
- Environmental and Water Treatment: Desalination plants, wastewater treatment equipment, pumps, and valves (resists chloride-induced corrosion) .
- Mechanical Engineering: Piston rods, bolts, nuts, pump and valve parts, stirrers (excellent machinability and wear resistance) .
- Other Industries: Paper and pulp processing, fertilizer production, coastal infrastructure, aerospace components, food processing machinery (resists caustic alkalis and organic acids) .
Compliance and Quality Assurance
All ASTM A240 Grade 329 stainless steel sheets are manufactured in compliance with international standards, including ASTM A240/A240M, ASME SA240, AISI, and DIN. Each product undergoes strict quality control checks, including chemical composition analysis, mechanical property testing, corrosion resistance testing (salt spray test, pitting test), and dimensional inspection. Manufacturers typically provide mill test certificates (MTC) to confirm compliance with customer specifications .
Why Choose ASTM A240 Grade 329 Stainless Steel Sheet?
- Cost-Effective Strength: Higher strength than austenitic stainless steels reduces material usage and overall costs.
- Unmatched Corrosion Resistance: Performs in chloride-rich and aggressive environments where other materials fail.
- Versatility: Suitable for a wide range of temperatures, processes, and applications.
- Reliability: Complies with strict industry standards, ensuring consistent performance in critical applications.
- Sustainability: Durable and long-lasting, reducing maintenance and replacement costs over the product lifecycle.
Whether you need stainless steel sheets for high-pressure equipment, marine structures, or chemical processing, ASTM A240 Grade 329 delivers the perfect balance of strength, corrosion resistance, and processability. Contact reputable suppliers for custom dimensions, finishes, and technical support tailored to your specific needs.
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