Duplex 2304 Stainless Steel Plate Manufacturer & Supplier
Duplex 2304 is a lean duplex with no deliberate molybdenum — it delivers duplex strength and stress corrosion resistance at a price close to 316L, for moderately corrosive service where 2205 is more than the duty needs.
UNS: S32304 | Category: Duplex & Super Duplex Stainless Steel
Size Range
Outer Diameter: Thickness 3 - 60 mm · Width 1000-3000 mm · Length 2000-12000 mm
Wall Thickness: 3 - 60 mm
Chemical Composition (%)
| C | Si | Mn | P | S | Cr | Ni | Mo | N |
|---|---|---|---|---|---|---|---|---|
| 0.030 max | 1.00 max | 2.50 max | 0.040 max | 0.030 max | 21.50-24.50 | 3.00-5.50 | 0.05-0.60 | 0.05-0.20 |
Mechanical Properties
- Yield Strength Rp0.2
- 400 MPa min
- Tensile Strength Rm
- 600-820 MPa
- Elongation A5
- 25% min
- Hardness
- 290 HB max
- Impact KV -40 °C
- 45 J min
Applicable Standards
- ASTM A240 / ASME SA240
- ASTM A923 (intermetallic phase test)
- EN 10088-2
- EN 10028-7
- NACE MR0175 / ISO 15156 (on request)
- EN 10204 3.1 certification
Applications
- Water and effluent tanks
- Structural stainless members
- Bridge and architectural structures
- Hot water tanks
- Rebar and reinforcement plate
Industries Served
- Water & Desalination
- Architecture & Infrastructure
- Food & Beverage
- Chemical & Petrochemical
Equivalent Grades
- EN
- 1.4362 / X2CrNiN23-4
- UNS
- S32304