1.4845 Stainless Steel Plate & Coil: Austenitic Ultra-High Temp Corrosion-Resistant Plate/Coil

What is 1.4845 Stainless Steel Plate & Coil?

W.Nr. 1.4845 is a premium ultra-high chromium-nickel austenitic heat-resistant stainless steel plate & coil, featuring exceptional high-temperature oxidation and corrosion resistance. It is the preferred material for extreme high-temperature industrial scenarios requiring top-tier heat-resistant performance for plates/coils.

Equivalent Grades (Horizontal)

W.Nr.: 1.4845 | UNS: S31008 | JIS: SUS310S | GB: 06Cr25Ni20 | EN: X5CrNi25-21

Chemical Composition (wt%, Horizontal)

C: ≤0.08 | Si: ≤1.50 | Mn: ≤2.00 | P: ≤0.045 | S: ≤0.030 | Cr: 24.00-26.00 | Ni: 19.00-22.00 | Fe: Balance

Key Properties (20°C, Annealed, Horizontal)

Density: 7.98g/cm³ | Melting Point: 1400-1450°C | Tensile Strength: ≥515N/mm² | Yield Strength: ≥205N/mm² | Elongation: ≥40% | Hardness: ≤217HB

Core Characteristics

• Extreme high-temperature tolerance: Capable of long-term service at up to 1150°C, withstanding continuous high-temperature exposure and thermal cycling • Superior high-temperature corrosion resistance: Resists attack from corrosive gases (e.g., sulfur dioxide) in harsh high-temp environments, extending plate/coil service life • Excellent creep & fatigue resistance: Maintains structural integrity under high-temperature and high-stress conditions, suitable for heavy-duty high-temp components • Premium high-temp applications: Used in industrial furnace linings, boiler superheaters, high-temperature heat exchangers and extreme heat-resistant plates

1.4845 vs 1.4833 Stainless Steel Plate & Coil (Horizontal)

Cr+Ni Content: 1.4845 (43.00-48.00%) | 1.4833 (34.00-39.00%) | High-Temp Limit: 1.4845 (≤1150°C) | 1.4833 (≤1000°C) | Corrosion Resistance: 1.4845 (Superior) | 1.4833 (Good) | Cost: 1.4845 (High) | 1.4833 (Medium-High)

 

Stainless Steel Suppliers

If you have project requirements for stainless steel, we welcome your order. GNEE has a large inventory of popular products for you to choose from. It can be processed into various practical product forms, including plates, coils, tubes, bars, wires, etc. For detailed chemical composition information and free samples, please contact our factory immediately. We offer competitive prices and excellent service.Email: info@gneestainless.com

 

Testing and Documentation: Factory test certificate, EN 10204 3.1, chemical report, mechanical report, destructive testing report, non-destructive testing report, PMI test report, visual inspection report, third-party inspection report, NABL certified laboratory report.
Packaging: Wooden crate packaging, bubble wrap packaging, steel strapping, or packaging according to customer requirements.