1.4919 Stainless Steel Plate & Coil: Austenitic Super High-Temp Heat-Resistant Plate/Coil

What is 1.4919 Stainless Steel Plate & Coil?

W.Nr. 1.4919 is a premium austenitic heat-resistant stainless steel plate & coil, featuring ultra-high chromium and nickel content, with added nitrogen to enhance high-temperature strength. It is tailored for extreme high-temperature industrial scenarios requiring exceptional heat resistance.

Equivalent Grades (Horizontal)

W.Nr.: 1.4919 | 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 | N: ≤0.10 | 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 1150°C, withstanding high-temperature flue gas and thermal cycling, suitable for extreme high-temp plate/coil components • Strong high-temperature corrosion resistance: Resists attack from corrosive gases in harsh high-temperature environments, extending service life of plates/coils • Excellent creep and fatigue resistance: Maintains structural integrity under continuous high-temperature and high-stress conditions, adapting to heavy-duty high-temp applications • Reliable welding performance: Post-weld structure remains stable, no obvious performance attenuation, ideal for large-scale high-temp equipment and furnace components

1.4919 vs 1.4948 Stainless Steel Plate & Coil (Horizontal)

Cr+Ni Content: 1.4919 (43.00-48.00%) | 1.4948 (34.00-39.00%) | High-Temp Limit: 1.4919 (≤1150°C) | 1.4948 (≤1050°C) | Heat Resistance: 1.4919 (Extreme) | 1.4948 (Superior) | Cost: 1.4919 (High) | 1.4948 (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.