13CrMo4-5 PN16 1.7335 Steel Forged Flanges for High-Temperature Applications
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Product Description
13CrMo4-5 PN16 Forged Flanges (1.7335 Steel)
Material Overview
13CrMo4-5 is a low-alloy heat-resistant steel commonly used for boiler, pressure vessel, and high-temperature piping applications, typically operating at temperatures up to 530–580°C depending on code requirements and design specifications.
Chemical Composition
Typical composition according to EN standards (e.g., EN 10216-2):
| Element | Content (wt%) |
|---|---|
| Carbon (C) | 0.10 – 0.18 |
| Silicon (Si) | ≤ 0.40 |
| Manganese (Mn) | 0.40 – 0.90 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.010 |
| Chromium (Cr) | 0.70 – 1.15 |
| Molybdenum (Mo) | 0.40 – 0.60 |
| Nitrogen (N) | ≤ 0.012 |
Iron (Fe) makes up the balance of the composition.
Alloying Elements Function
- Chromium (~1%): Improves oxidation and corrosion resistance at elevated temperatures and contributes to strength
- Molybdenum (~0.5%): Increases creep resistance and high-temperature strength
- Carbon and Manganese: Help achieve required strength and hardenability
- Low Phosphorus and Sulfur: Improve toughness and weldability
Typical Applications
- Boiler tubes and headers
- Steam lines and high-temperature piping
- Pressure vessels operating at elevated temperatures
Important Note: When working to specific codes (e.g., EN 10216-2, EN 10028-2), verify the exact grade and product form requirements, as composition limits can vary slightly between standards and product types (pipes, plates, forgings).
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
amy