Q390 round bar is also widely used in the field of transportation. It can be used in transportation construction such as railroads, highways and bridges, and is an important support component in the transportation structure. For example, in railroad construction, Q390 round bar is usually used as the main material of the railroad track, which has a good performance in terms of strength and stiffness. And in highway construction, Q390 round bar is usually used as the main material for road guardrails, road signs and other transportation facilities. Q390 round bar is also widely used in bridge construction. It can be used as the main support part of the bridge, which can withstand large loads and complex deformation to ensure the stability and safety of the bridge. At the same time, Q390 round bar can also be used on other parts of bridges such as anchors and support columns to provide sufficient support and protection for bridges.
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Product Name |
Round Steel Bar |
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Material |
Q195, Q215,Q235,Q345,Q390 ST37, A36,45# ,16Mn, SPHC,SGCC,CGCC,etc |
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Diameter |
2~500mm |
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Length |
3000~6000mm |
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Type |
Round/Square/Hexagonal/Angle/Flat Bar |
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Surface Treatment |
Polished, Black, Grinding or as demand |
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Usage |
It is widely used in Shipping, Petrochemical industry. Machine industry, Medicine, Electric Power, Energy, Building Decoration, Nuclear Power, Aviation and Spaceflight, Seawater equipment, Chemistry, Coloring Matter, Paper-making, Oxalic Acid, Fertilizer, Coastal areas, Facility, Rope, Screw, Nut etc. |
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Lead time |
7 to 25 working days after the receipt of 30% deposit |
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Payment terms |
30%TT for deposit, 70% balance before shipment or LC at sight |
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Packing |
Wooden pallet or according to customer's request |

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