1.4362 / X2CrNiN23-4 / UNS S32304 Lean Duplex Steel

Buy 1.4362 duplex steel at factory price. Lean duplex UNS S32304 with yield strength twice that of 304/316 and corrosion resistance comparable to 316L. Plate, coil, bar, profiles.

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EN 1.4362 (X2CrNiN23-4 / UNS S32304), also known as EDX 2304 lean duplex stainless steel, is a cost-effective dual-phase austenitic-ferritic alloy. As a mainstream lean-grade duplex steel, it balances outstanding mechanical performance and versatile corrosion resistance, serving as an ideal upgrade replacement for conventional 304 and 316L austenitic stainless steel in multiple industrial scenarios.

ZYTC Alloy, a reliable China duplex stainless steel supplier, provides full-spec 1.4362 UNS S32304 lean duplex steel products with stable batch quality, complete industrial certification and customized processing services. We strictly control material composition and structural uniformity to ensure each batch of products delivers consistent high strength and superior corrosion resistance for global industrial projects.

Product Availability

ZYTC Alloy maintains sufficient spot inventory and diversified processing capabilities for 1.4362 UNS S32304 lean duplex steel, covering complete product forms to meet one-stop procurement needs of structural, piping and mechanical manufacturing projects:

Sheet & Coil Series: Stainless steel coils and plates for cutting, bending and forming processing
Profile Products: Hot rolled angle bars, laser welded angle bars, H-beams, U-profiles
Bar & Custom Parts: Laser cut flat bars and customized structural profiles
Pipeline Products: Hollow section pipes for fluid transmission and structural support

All products support customized size processing and precision cutting, with complete factory test reports to ensure full compliance with EN and UNS standard requirements.

Chemical Composition

Element	Content (Wt%)
Chromium (Cr)	21.0 – 24.0
Nickel (Ni)	3.0 – 5.5
Molybdenum (Mo)	0.05 – 0.60
Nitrogen (N)	0.05 – 0.20
Manganese (Mn)	≤ 2.50
Carbon (C)	≤ 0.030
Copper (Cu)	≤ 0.60
Iron (Fe)	Balance

Physical & Mechanical Properties

Property	Metric	Imperial
Density	7.8 g/cm³	—
Modulus of Elasticity	200 GPa	29.0 × 10⁶ psi
Service Temperature Range	-50°C to 300°C	—

Mechanical Properties (Annealed Condition):

Property	Metric	Imperial
Tensile Strength (min.)	600 – 820 MPa	87 – 119 ksi
Yield Strength (0.2% offset, min.)	≥ 400 MPa	≥ 58 ksi
Elongation (min.)	≥ 25%	≥ 25%
Hardness (Brinell)	≤ 290	—

Key Advantages

High Strength: Yield strength approximately twice that of 304 and 316L austenitic grades, allowing reduced section thickness and weight savings
Corrosion Resistance: General corrosion resistance comparable to 316L; pitting resistance (PREN ≈ 26) exceeds 304L and is similar to 316L
Stress Corrosion Cracking (SCC) Resistance: Significantly superior to austenitic grades in chloride-containing environments
Temperature Range: Suitable for service from -50°C to 300°C; embrittlement risk above 300°C
Weldability: Good weldability using standard methods; no preheating required

Industrial Applications

Relying on its high strength, fatigue resistance and multi-corrosion resistance, 1.4362 lean duplex steel is widely applied in harsh working conditions that require both structural stability and corrosion resistance:

Water Treatment Industry: Desalination system equipment and seawater corrosion-resistant structural parts
Architectural Construction: Building facades, pedestrian bridges and outdoor safety structural panels
Energy & Petroleum: Oil and gas field equipment, flexible connecting tubes and pressure vessel components
Mining & Papermaking: Mining corrosion-resistant equipment and pulp & paper processing machinery
Chemical Industry: Equipment and pipelines serving caustic solutions and organic acid environments

Contact Us

📧 Email: daisy@zytcsteel.com
📲 WhatsApp: +86 17335753350