1.4563 Stainless Steel Corrosion Resistant High Alloy Austenitic Forged Steel Flange EN1092-1 Type 11
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Product Description
X1NICRMOCU31-27-4 EN 10028-7 1.4563 EN1092-1 Type 11 Flange
1.4563 is a high-alloy austenitic stainless steel (also known as X2CrNiMnMoNNb21-16-5-3) developed for excellent corrosion resistance, especially in chloride-containing and acidic environments.
Chemical Composition
| Element | Content (%) |
|---|---|
| C (Carbon) | ≤ 0.03 |
| Si (Silicon) | ≤ 0.7 |
| Mn (Manganese) | 2.0 – 7.0 |
| P (Phosphorus) | ≤ 0.03 |
| S (Sulfur) | ≤ 0.01 |
| Cr (Chromium) | 20 – 22 |
| Ni (Nickel) | 14 – 17 |
| Mo (Molybdenum) | 4.0 – 6.0 |
| N (Nitrogen) | 0.35 – 0.55 |
| Nb (Niobium) | 0.1 – 0.4 |
| Fe (Iron) | Balance |
Key Composition Benefits
- High Chromium (≈21%) + Molybdenum (≈5%) provide strong resistance to pitting and crevice corrosion, especially in chlorides (e.g., seawater, process brines)
- High Nickel (≈15–16%) stabilizes the austenitic structure and improves toughness
- Added Nitrogen (0.35–0.55%) boosts strength and further improves pitting resistance
- Niobium contributes to stabilization against intergranular corrosion and helps control microstructure
For exact values required for design or certification, always check a mill certificate or the relevant material standard (e.g., EN 10088) for the specific product and supplier. Small variations within these ranges are normal and can be critical in specific applications.
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BEST PIPELINE EQUIPMENT CO.,LTD
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China Factory : Suzhou Industrial Park, JiangSu Province,China
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