LY225 steel is fine-grained steel, and LY225 steel plate is a low-yield point steel plate for seismic use in building structures. The anti-seismic properties are used to make dampers to protect the building structure from the effects of earthquakes.
LY225 steel plate implementation standard: GB/T 28905.
Smelting analysis of chemical composition and chemical elements of LY225 steel plate:
| C | Si | Mn | S | P | N |
| ≤0.10 | ≤0.10 | ≤0.60 | ≤0.015 | ≤0.025 | ≤0.006 |
Mechanical properties of LY225 steel plate:
| Yield Strength | Tensile Strength | Elongation % | Yield Ratio | Longitudinal Impact Energy |
| 205-245 | 300-400 | ≥40 | ≤0.8 | ≥27 |
LY225 steel mechanical properties: strength, hardness, plasticity, fatigue, impact toughness.
LY225 chemical properties: corrosion resistance, high temperature oxidation.
LY225 physical properties: density, melting point, thermal expansion, magnetic properties, electrical conductivity.
LY225 process performance: cutting performance, forgeability, castability, weldability.
LY225 steel plate delivery status: delivered in normalized state, and additional requirements for flaw detection standards, flaw detection grade requirements, Z-direction performance requirements, and requirements for adding special alloying elements, etc.
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