2304 Duplex Stainless Steel Rod supplied by Jiangsu Cunrui Metal Products Co., Ltd. is a premium duplex stainless steel product combining high strength, excellent corrosion resistance, and stable mechanical properties. It is engineered for applications requiring resistance to stress corrosion cracking, pitting, and crevice corrosion in moderately aggressive environments.
Each batch of 2304 Duplex Stainless Steel Bars is accompanied by Mill Test Certificates (MTC), chemical composition reports, and optional third-party inspection certificates, ensuring compliance with ASTM, EN, and ISO standards. The rods maintain consistent toughness, yield strength, and hardness, providing reliable performance across diverse industrial applications.
Key Features & Advantages
Corrosion resistance: Effective against chloride-induced corrosion and scaling
High mechanical performance: Stronger than conventional austenitic stainless steel
Consistent quality: Supplied with MTC, hardness, and NDT testing reports
Cost efficiency: Provides duplex steel performance at a competitive price
Versatile applications: Suitable for demanding industrial environments
Applications
2304 Duplex Stainless Steel Bars are widely used in:
Chemical processing and petrochemical equipment
Piping, shafts, and fasteners in industrial machinery
Marine and offshore structures
Water treatment and desalination plants
Heat exchangers, pumps, and pressure vessels
Product Specifications & Technical Data
|
Parameter |
Specification |
|
Standard |
ASTM A276 / ASTM A582 / EN 10088 |
|
Grade |
2304 Duplex Stainless Steel |
|
Bar Diameter |
6 – 200 mm, customized |
|
Bar Length |
1 – 6 meters, cut-to-length available |
|
Surface Finish |
Hot-rolled, cold-rolled, polished |
|
Yield Strength |
≥ 450 MPa |
|
Tensile Strength |
650 – 750 MPa |
|
Elongation |
≥ 25% |
|
Hardness |
≤ 32 HRC |
|
Corrosion Resistance |
Excellent against pitting and crevice corrosion |
|
Form |
Round, hex, square, or customized |
Chemical Composition (%)
|
Element |
Typical Range (%) |
|
Carbon (C) |
≤ 0.03 |
|
Manganese (Mn) |
1.0 – 2.0 |
|
Phosphorus (P) |
≤ 0.03 |
|
Sulfur (S) |
≤ 0.02 |
|
Silicon (Si) |
0.3 – 0.8 |
|
Chromium (Cr) |
21 – 23 |
|
Nickel (Ni) |
4.5 – 6.5 |
|
Molybdenum (Mo) |
0.3 – 0.7 |
|
Nitrogen (N) |
0.08 – 0.20 |
|
Iron (Fe) |
Balance |
Customization Services
Custom diameters, lengths, and shapes per customer drawings
Machining, cutting, drilling, and threading services available
Surface treatments: polishing, pickling, passivation
Flexible minimum order quantities (MOQ)
Multiple duplex stainless steel grades available for tailored applications
Price & Delivery
Competitive pricing with bulk order discounts
Stock bars available for quick shipment
Custom orders usually delivered within 15–30 days, depending on size and quantity
Our Strength
Over 15 years of experience in duplex stainless steel production and export
Advanced production equipment ensures precision and high capacity
Certifications: ISO, PED, CE, and optional third-party approvals
Experienced technical and R&D team for product optimization
Global export experience to Europe, Middle East, North America, and Asia
Service & Support
Fast inquiry response within 12 hours
Technical guidance for material selection, processing, and applications
Export-standard packaging for sea and air transport
After-sales support including replacement or return for quality issues
Order tracking and continuous customer support
FAQ
Q1: Which standards do your 2304 Duplex Stainless Steel Bars comply with?
A1: ASTM A276 / ASTM A582 / EN 10088, with MTC and optional third-party inspection certificates.
Q2: Can you supply custom diameters and lengths?
A2: Yes, cutting, machining, drilling, and threading services are available per drawings.
Q3: Do you provide mechanical and corrosion test certificates?
A3: Yes, MTC, chemical composition, hardness, and NDT reports are provided.
Q4: What is the typical delivery time?
A4: Stock bars ship within 7–10 days; custom orders usually 15–30 days.
Q5: Do you export globally?
A5: Yes, we export worldwide, including Europe, Middle East, North America, and Asia.
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