SAW longitudinally welded hollow section pipes EN10225 S355G8+N and API5L X52N PSL2 alloy steel seamless pipes with 1.8810+N steel
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Product Description
SAW Longitudinally Welded Hollow Section Pipes for Fixed Offshore Structures
High-performance longitudinally welded hollow section pipes manufactured to EN10225 S355G8+N (steel no 1.8810+N) and API5L X52N PSL2 (MOD) specifications, specifically engineered for demanding fixed offshore structural applications.
1.8810 Steel Overview
1.8810 steel is a standardized European tool steel grade (EN/DIN system) specifically designed for applications requiring exceptional wear resistance and toughness. This high-performance material is ideal for cutting tools, cold work applications, and components subjected to significant mechanical stress.
Chemical Composition
Typical composition by weight percentage:
| Element | Composition |
|---|---|
| Carbon (C) | 0.90–1.05% |
| Chromium (Cr) | 0.40–0.60% |
| Manganese (Mn) | 1.00–1.30% |
| Silicon (Si) | 0.10–0.40% |
| Vanadium (V) | 0.10–0.20% |
| Phosphorus (P) | ≤ 0.030% |
| Sulfur (S) | ≤ 0.030% |
Composition Benefits
High Carbon Content (0.90–1.05%):
- Enables high hardness after heat treatment
- Provides excellent edge retention and wear resistance
- Ideal for cutting tools, punches, and precision components
Chromium (0.40–0.60%):
- Enhances hardenability and wear resistance
- Improves corrosion resistance compared to plain carbon steels
Manganese (1.00–1.30%):
- Improves toughness and hardenability
- Assists in deoxidation during steel production
Silicon (0.10–0.40%):
- Functions as a deoxidizing agent
- Contributes to overall strength enhancement
Vanadium (0.10–0.20%):
- Refines grain structure for improved toughness
- Enhances wear resistance and edge stability
Material Selection Guidance
When selecting 1.8810 steel for your project, you're choosing a high-carbon, alloyed tool steel capable of achieving high hardness levels while maintaining excellent toughness. This makes it particularly suitable for:
- Precision cutting tools
- Cold working applications
- Wear-resistant components
- Structural elements requiring durability
Important: Always verify the exact specification sheet or datasheet from your steel supplier, as slight composition limits may vary by standard or manufacturer.
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
amy