16Mo3 EN1092-1 Type 11 Weld Neck Flange with High-Temperature Resistance for Industrial Boilers
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Product Description
16Mo3 EN1092-1 Type 11 Weld Neck Flange
16Mo3 is a low-alloy steel grade primarily used for pressure vessels and boiler components operating at elevated temperatures. Defined in the EN 10028-2 standard, this material is commonly employed for tubes, pipes, and plates in power plants and industrial boilers.
Chemical Composition
| Element | Composition Range (wt%) |
|---|---|
| Carbon (C) | 0.12 – 0.20% |
| Silicon (Si) | ≤ 0.35% |
| Manganese (Mn) | 0.40 – 0.90% |
| Phosphorus (P) | ≤ 0.025% |
| Sulfur (S) | ≤ 0.010% |
| Chromium (Cr) | ≤ 0.30% |
| Molybdenum (Mo) | 0.25 – 0.35% |
| Nickel (Ni) | ≤ 0.30% |
| Copper (Cu) | ≤ 0.30% |
| Nitrogen (N) | ≤ 0.012% |
| Base Element | Iron (Fe) |
Element Significance
- Molybdenum (Mo 0.25–0.35%) - The defining feature of 16Mo3 that improves high-temperature strength and creep resistance, while enhancing resistance to softening at elevated service temperatures.
- Carbon and Manganese (C, Mn) - Carbon (0.12–0.20%) balances strength and weldability, while manganese (0.40–0.90%) increases strength and toughness and aids in deoxidation during steelmaking.
- Low Phosphorus and Sulfur (P, S) - Kept at minimal levels to improve toughness and weldability while reducing the risk of hot cracking and brittleness.
- Silicon, Chromium, Nickel, Copper (Si, Cr, Ni, Cu) - Present in controlled amounts to support strength, oxidation resistance, and structural stability without compromising weldability.
Applications
This chemical composition makes 16Mo3 an excellent choice for:
- Boiler tubes and headers
- Heat exchangers
- Pressure vessels and piping in high-temperature service (typically up to approximately 500°C, depending on design codes)
Important Note: When working on design, fabrication, or material selection, always refer to the latest EN 10028-2 material standard and your project's specific material specification or mill test certificate (MTC). Exact limits and guaranteed values may vary slightly by product form and manufacturer.
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
amy