30 x 30 x 2.5mm - 7.5m Square Hollow Section - BSEN10219 S235JR
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TWRHS-30-30-2.5-S235
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Product Description
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FAQ
Is the 30 x 30 x 2.5mm square hollow section suitable for structural applications?
Yes, this section is made from S235JR mild steel and conforms to BS EN 10219 standards, which makes it suitable for use in load-bearing and structural applications such as framework, supports, and bracing. While it's often used in light to medium-duty projects, it can also be used in multi-member assemblies for larger structural integrity.
How should I prepare the surface for painting or galvanising?
Before applying any protective finish like paint or galvanising, the surface should be thoroughly cleaned to remove any oil, mill scale, or surface rust. Shot blasting or acid etching is recommended for optimal coating adhesion, especially for projects exposed to outdoor or corrosive environments.
Can the hollow section be drilled or tapped for fixings?
Yes, the 2.5mm wall thickness is suitable for drilling and tapping. It?s advisable to use a centre punch before drilling to prevent bit slippage and to use sharp, high-speed steel (HSS) drill bits. If tapping threads, use proper cutting oil and tools suitable for mild steel.
What welding methods are compatible with this section?
This mild steel hollow section can be welded using common welding methods such as MIG, TIG, and MMA (stick). For best results, pre-clean the weld area to remove contaminants, and consider using filler wire that matches or exceeds S235JR steel grade strength if joint integrity is critical.
What is the approximate weight per metre of the 30 x 30 x 2.5mm SHS?
The approximate weight is around 2.21 kg per metre. For a full 7.5m length, this equates to roughly 16.6 kg, which is useful when calculating load requirements or transport logistics.
Can this product be used for visible architectural or decorative work?
Yes, due to its clean square profile and uniform finish, it?s suitable for visible elements such as balustrades, frames, or modern furniture. However, surface finishing or coating may be required to achieve the desired aesthetic or corrosion resistance.
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