Unveiling the Superior Properties of G15 Steel for Structural Applications

1. Specification:
G15 steel is a high-strength alloy steel primarily used for structural applications. It is known for its exceptional mechanical properties and chemical composition, making it ideal for demanding engineering projects. The following specifications highlight the key characteristics of G15 steel:

– Grade: G15
– Type: Alloy steel
– Usage: Structural applications
– Tensile strength: 850 – 1000 MPa
– Yield strength: 700 – 800 MPa
– Elongation: 15 – 20%
– Impact strength: ≥ 40 J
– Hardness: 240 – 300 HB
– Density: 7.85 g/cm³
– Melting point: 1420 – 1465°C
– Thermal conductivity: 24.2 W/m·K
– Electrical conductivity: 19.5 μΩ·cm

2. Mechanical Properties:
G15 steel exhibits superior mechanical properties compared to standard carbon steels. Its high tensile and yield strengths, combined with excellent elongation and impact strength, make G15 steel highly suitable for structural applications requiring high load-bearing capacity and resistance to impacts. The steel’s excellent hardness ensures enhanced durability and resistance to wear and tear, providing long-lasting structural integrity.

3. Chemical Composition:
The superior properties of G15 steel are attributed to its specific chemical composition, which is carefully designed to enhance its strength and toughness. The typical chemical composition of G15 steel is as follows:

– Carbon (C): 0.13 – 0.17%
– Silicon (Si): 0.20 – 0.40%
– Manganese (Mn): 1.00 – 1.30%
– Phosphorus (P): ≤ 0.030%
– Sulfur (S): ≤ 0.030%
– Chromium (Cr): 0.50 – 0.80%
– Nickel (Ni): 1.00 – 1.30%
– Copper (Cu): ≤ 0.25%
– Molybdenum (Mo): ≤ 0.25%
– Vanadium (V): ≤ 0.10%
– Nitrogen (N): ≤ 0.010%
– Iron (Fe): Balance

The carefully balanced chemical composition of G15 steel ensures a fine grain structure with high strength and toughness. The combination of various alloying elements contributes to its superior corrosion resistance, weldability, and formability.

In conclusion, G15 steel offers exceptional properties for structural applications. Its high tensile and yield strengths, excellent elongation and impact strength, and optimized chemical composition provide superior performance and durability. Whether used in bridges, buildings, machinery, or other infrastructure projects, G15 steel ensures reliable and long-lasting structural integrity.
G15 Steel grade
1699148536

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