2507 Duplex Stainless Steel Coil

The 2507 Duplex Stainless Steel Coil is a super duplex grade with a mixed austenitic-ferritic structure offering exceptional strength and corrosion resistance. This coil provides outstanding performance in aggressive environments containing chlorides and acids .

Product Parameters

Thickness: We offer coils from 0.15mm to 3.0mm for cold rolled, and 3.0mm to 12.0mm for hot rolled options .
Width: Available widths range from 600mm to 2000mm .
Standard sizes: Common widths include 1000mm, 1219mm, 1250mm, and 1500mm .
Processing technology: We use hot rolling and cold rolling processes with solution annealing and pickling .
Execution standards: Products comply with ASTM A240, ASME SA240, NACE MR0175/ISO 15156, and EN 10088 .
Packaging method: We secure coils with steel straps, protective wrapping, and waterproof paper on steel or wooden pallets for export .
Supported surface treatments: Options include No.1, 2B, BA, No.4, 2D, HL, and pickled finishes . We support various surface customizations.

Chemical Composition (Typical %)

Carbon: 0.03 max .
Manganese: 1.2 max .
Phosphorus: 0.035 max .
Sulfur: 0.020 max .
Silicon: 0.80 max .
Chromium: 24.0 – 26.0 .
Nickel: 6.0 – 8.0 .
Molybdenum: 3.0 – 5.0 .
Nitrogen: 0.24 – 0.32 .
Copper: 0.50 max .
Iron makes up the balance.

Physical Properties

Density measures 7.75 – 7.8 g/cm³ .
Melting point ranges from 1410 to 1460°C (2570-2660°F) .
Tensile strength reaches 800 MPa minimum (116 KSI min) .
Yield strength is 550 MPa minimum (80 KSI min) .
Elongation reaches 15-25% minimum .
Hardness shows 32 HRC maximum .
Modulus of elasticity is 200 GPa (29 x 10³ ksi) .
Thermal conductivity measures 17.0 W/m·K at 20°C .
Electrical resistivity is 83.0 µΩ·cm at 20°C .
PREN value is minimum 41 .
Maximum service temperature: 300-570°F (149-300°C) for continuous service .

Product Applications

You will find the 2507 Duplex Stainless Steel Coil in offshore oil and gas platforms and subsea equipment . Chemical processing vessels handling chlorides and acids rely on this coil . Desalination plants use it for seawater handling systems and evaporators . Pulp and paper equipment benefits from its resistance to bleaching chemicals . Flue gas desulfurization scrubbers require this material’s corrosion resistance . Marine environments demand this 2507 Duplex Stainless Steel Coil for longevity in saltwater applications . Heat exchangers in aggressive media perform reliably with this grade .

Other Super Corrosion-Resistant Stainless Steel Grades We Supply

We provide a complete range of high-performance alloys for extremely corrosive environments:

904L (UNS N08904): A super austenitic grade with high nickel, chromium, molybdenum, and copper content for excellent resistance to sulfuric, phosphoric, and acetic acids . Ideal for chemical processing, pharmaceutical, and flue gas cleaning applications .

254SMO (UNS S31254): A 6% molybdenum super austenitic grade with exceptional resistance to pitting and crevice corrosion in seawater and chloride environments.

2205 Duplex (UNS S32205): The workhorse duplex grade offering high strength and good corrosion resistance for a wide range of industrial applications .

Alloy 20 (UNS N08020): A nickel-iron-chromium austenitic alloy designed specifically for sulfuric acid resistance and other aggressive chemicals.

C-276 (UNS N10276): A nickel-molybdenum-chromium alloy with outstanding corrosion resistance in reducing and oxidizing environments.

Our complete range of super austenitic, duplex, and nickel alloy coils ensures we can meet your most demanding corrosion resistance requirements.

Supported surface treatments: Options include No.1, 2B, BA, 2D, No.4, HL, and 8K finishes . We support various surface customizations to meet your specific project requirements.