Duplex Steel Plate Sheet achieves a ferritic-austenitic microstructure through a composition of 22% chromium, 3% molybdenum, and 0.18% nitrogen (supported by a spectral analysis report). This structure provides an optimal combination of a safe operating temperature range, high strength, and excellent corrosion resistance.
Rapid Delivery: Our factory maintains an inventory of 8,000 to 10,000 tons, which includes popular specifications like 3mm, 6mm, and 10mm duplex steel plates. We guarantee delivery within 10 days, significantly faster than the industry average of 30 days.
Customization: We specialize in non-standard sizes, offering customized plates with thicknesses from 4 to 80mm and widths of up to 2500mm.
Order 30 tons or more and receive:
A 5% discount on your order.
Complimentary processing services.
Reduced freight rates.
Annual agreement customers also benefit from
On-site technical engineering support.
The right to prioritize emergency orders.
Our quality guarantee
In the rare event of a product quality issue, we provide full compensation.
Material Grade
Duplex Stainless Steel (UNS S31803 / S32205)
Plate, Sheet
Surface Finish
No.1, 2B, BA, Hairline, Mirror, Brushed, etc.
ASTM A240, ASME SA240, EN 10088
Certificates
ISO 9001, PED, SGS, BV, LR, ABS, Third-party inspection
Production Process
Hot rolled, Cold rolled, Annealed, Pickled
Edge Treatment
Mill edge or Slit edge
Tensile Strength Kb (MPa)
Yield Strength σ0.2 (MPa)
Elongation D5 (%)
Modulus of Elasticity(Gpa)
Melting Point(°C)
Coefficient of Thermal Conductivity(W/m*K)
Density(g/cm³)
Frequently Asked Questions
Q: Can you print our company logo on the products?
A: Yes, we can print your logo via laser engraving or stamping, as long as you provide the design file.
Q: How do you pack the products to avoid damage during shipping?
A: We use seaworthy packaging: small products in cartons or wooden crates, and large ones in steel frames or pallets with waterproof film.
Q: Do you have experience exporting to our country/region?
A: We have exported to over 50 countries, including the US, EU, Southeast Asia, and the Middle East. We're familiar with local import regulations.
Q: Can you provide a certificate of origin (CO) for customs clearance?
A: Yes, we can provide CO, as well as other documents like commercial invoices and packing lists required for customs.



