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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.
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
Best Alloy Engineering Alloy Pipe as s a reference point for excellence in the manufacture and distribution of fittings, piping, bends, forged flanges , clad products and specialties for the upstream, midstream and downstream sectors of oil & gas, thermal and nuclear power generation.
The C...
