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Q345 Steel
Q345 is classified as a low-alloy, high-strength structural steel consisting of 98-99% iron and 1-2% of other elements such as carbon, manganese, and silicon. The letter “Q” denotes its yield point which makes it suitable for applications requiring strength as well as ductility.
What makes it ideal?
✔️ Good temper for easy shaping.
✔️ Great weldability.
✔️ Highly adaptable.
What industries utilize Q345?
🚗 Automobiles
🌉 Bridge building
🚢 Boat construction
🏗️ Building construction
🛢️ Pipelines for oil and gas
Mia Yu has in-depth knowledge in CNC machining, 3D printing, and sheet metal fabrication. She specializes in prototypes, bespoke components, and small-scale manufacturing. Their advanced systems guarantee that your designs are manufactured with unmatched precision.
Mia Yu
CNC Machining Expert
Specifications for Q345 Steel
Examine an extensive table of material properties containing physical, mechanical, electrical, and thermal characteristics for comprehensive analysis. This aids in the informed selection and evaluation of materials.
| Category | Property/Element | Value | Units |
|---|---|---|---|
| General | Common Uses | Vehicles, Bridges, Ships, Construction | - |
| Manufacturing | Hot-Rolled Plates/Coils | - | |
| Key Property | High Tensile Strength | - | |
| Material | Density | 7.8 | g/cc |
| 0.282 | lb/in³ | ||
| Hardness (Brinell) | 135 | - | |
| Hardness (Rockwell B) | 74 | - | |
| Mechanical | Tensile Strength (Ult) | 450 | MPa |
| Tensile Strength (Yld) | 345 | MPa | |
| Elongation at Break | 18-21 | % | |
| Bulk Modulus | 160 | GPa | |
| Shear Modulus | 80 | GPa | |
| Component | Carbon (C) | <=0.23 | % |
| Iron (Fe) | 98 | % | |
| Manganese (Mn) | 1.35 | % | |
| Phosphorus (P) | <=0.040 | % | |
| Silicon (Si) | <=0.40 | % | |
| Sulfur (S) | <=0.050 | % | |
| Equivalent Std. | European | S355JR (1.0045) | - |
| USA | A572 Grade 50 | - | |
| Applications | Shipbuilding, Pipelines | - |
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Get Q345 Steel CNC machining parts from Baetro
From Baetro, obtain top-tier Q345 Steel CNC machining components that expertly emphasize precision, reliability, and durability. Our components are strategically engineered to withstand the challenges posed by multi-faceted industrial applications, guaranteeing unparalleled dependability and endurance.
