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Steel Circle Supply Forms 1.0426 / P280GH Steel circles Steel grades Dimensions supplied (mm) Steel circle 1.0426 / P280GH 4 – 850 Steel circle 1.0426 / P280GH Steel 1.0426 (P280GH) is a non-alloy structural steel with high strength, good plasticity, and excellent weldability. It is widely used in the energy, oil and gas, and mechanical […]
Steel Circle Supply Forms 1.0426 / P280GH
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Steel circles |
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| Steel grades | Dimensions supplied (mm) |
| Steel circle 1.0426 / P280GH | 4 – 850 |
Steel 1.0426 (P280GH) is a non-alloy structural steel with high strength, good plasticity, and excellent weldability. It is widely used in the energy, oil and gas, and mechanical engineering industries, particularly for manufacturing components operating under high pressure and elevated temperatures.
| Parameter | Value |
|---|---|
| Steel Grade | 1.0426 / P280GH |
| Steel Type | Non-alloy structural |
| Density | ~7.85 g/cm³ |
| Operating Temperature | Up to 450°C |
| Yield Strength | ≥ 280 MPa |
| Tensile Strength | 450-630 MPa |
| Elongation | ≥ 21% |
🔹 Production of pressure vessels and pipelines – used in boiler plants, pipelines, and high-pressure tanks.
🔹 Energy sector – applied in thermal and steam boilers.
🔹 Oil and gas industry – components for processing and transporting hydrocarbons.
🔹 Mechanical engineering – manufacturing shafts, flanges, fasteners, and other components.
🔹 Shipbuilding – components operating under pressure.
✅ High strength – withstands significant mechanical loads.
✅ Good weldability – easily welded without the risk of cracking.
✅ Heat resistance – resistant to elevated temperatures.
✅ Good plasticity – ensures easy processing and shaping.
✅ Durability – resistant to wear and mechanical damage.
| Element | Content (%) |
|---|---|
| Carbon (C) | ≤ 0.20 |
| Manganese (Mn) | 0.60-1.40 |
| Silicon (Si) | ≤ 0.35 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.015 |
| Chromium (Cr) | ≤ 0.30 |
| Molybdenum (Mo) | ≤ 0.08 |
| Nickel (Ni) | ≤ 0.30 |
| Property | Value |
|---|---|
| Yield Strength | ≥ 280 MPa |
| Tensile Strength | 450-630 MPa |
| Elongation | ≥ 21% |
| Impact Toughness | ≥ 27 J at 20°C |
✔ High strength and reliability – ideal for extreme operating conditions.
✔ Excellent machinability – easily processed mechanically.
✔ Weldability – enables the joining of different structures without loss of properties.
✔ Durability – resistant to fatigue loads and corrosion.
✔ Wide application range – suitable for various industrial sectors.
Steel circle 1.0426 (P280GH) is a versatile material for manufacturing components operating under pressure and high temperatures. With its strength, weldability, and durability, it is widely used across various industrial sectors.
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