---
product_id: 645166811
title: "MILD Steel Square Tube Hollow Section Metal Box 40mm Width / 1m (40x40mm)"
brand: "static arc"
price: "545 Lei"
currency: RON
in_stock: true
reviews_count: 5
category: "Static Arc"
url: https://www.desertcart.ro/products/645166811-mild-steel-square-tube-hollow-section-metal-box-40mm-width
store_origin: RO
region: Romania
---

# Black steel with enhanced corrosion resistance Cold-resistant, crack-proof in extreme weather 2.5mm wall thickness for robust strength MILD Steel Square Tube Hollow Section Metal Box 40mm Width / 1m (40x40mm)

**Brand:** static arc
**Price:** 545 Lei
**Availability:** ✅ In Stock

## Summary

> 🖤 Build Bold, Last Long – The Steel That Means Business

## Quick Answers

- **What is this?** MILD Steel Square Tube Hollow Section Metal Box 40mm Width / 1m (40x40mm) by static arc
- **How much does it cost?** 545 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/645166811-mild-steel-square-tube-hollow-section-metal-box-40mm-width)

## Best For

- static arc enthusiasts

## Why This Product

- Trusted static arc brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Magnetic Mild Steel:** Reliable magnetic properties for versatile industrial use
- • **Effortless Machining:** Easily weld, cut, drill, and paint for custom projects
- • **Weatherproof Durability:** Engineered to withstand harsh cold climates without cracking
- • **Corrosion-Resistant Finish:** Black steel coating reduces rust, maintaining sleek aesthetics
- • **Precision-Ready Fabrication:** Pre-cut 1m lengths with ±2% tolerance for seamless integration

## Overview

The MILD Steel Square Tube Hollow Section (40x40mm, 1m) is a seam-welded mild steel box section featuring a 2.5mm wall thickness, optimized for welding, machining, and painting. Designed to endure extreme cold without cracking, its black steel finish offers superior corrosion resistance. Ideal for fabrication, frameworks, and structural applications, this magnetic steel tube delivers precision and durability for professional-grade projects.

## Description

- Suitable for welding and painting, easy to machine cut and drill. - Ideal for fabrication, frameworks and structural applications. - Well suited to extreme weather conditions, especially cold temperature with reduced chance of cracking or breaking. - Black steel for increased corrosion resistance. - This steel is magnetic. - Formation: Seam welded - Wall Thickness: 2mm for 20x20mm box, 2.5mm for all the rest - Length: 1m OPTIONS TO CHOOSE FROM - Size: 20x20mm, 25x25mm, 30x30mm, 40x40mm, 50x50mm NOTE - For efficiency square tubes are pre-cut to length, unfortunately we do not provide a cutting service for specific lengths. - Cut dimensions will have a tolerance of +/- 2% - In some cases square tubes may arrive with light surface rust this is unavoidable when storing mild steel, you can easily remove with WD40 or fine grade sanding.

Review: Excellent service and product - Perfect, correct dimensions.
Review: good quality - Good quality and accurate size. anti-rust coated so turned up rest free. would have been 5 star apart from price.

## Features

- Suitable for welding and painting, easy to machine cut and drill; Ideal for fabrication, frameworks and structural applications.
- Well suited to extreme weather conditions, especially cold temperature with reduced chance of cracking or breaking.
- Black steel for increased corrosion resistance.; This steel is magnetic; Formation: Seam welded
- Wall Thickness: 2mm for 20x20mm box, 2.5mm for all the rest; Length: 1m
- OPTIONS TO CHOOSE FROM - Size: 20x20mm, 25x25mm, 30x30mm, 40x40mm, 50x50mm

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0D9HZYR81 |
| Best Sellers Rank | 9,501 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 3 in Steel Tubes |
| Colour | Steel |
| Customer Reviews | 4.6 4.6 out of 5 stars (18) |
| Date First Available | 7 July 2024 |
| Included Components | MILD STEEL SQUARE TUBE |
| Item model number | MILD STEEL SQUARE TUBE |
| Manufacturer | Static Arc |
| Material | Mild Steel Box Section |
| Part Number | MILD STEEL SQUARE TUBE |
| Product Dimensions | 100 x 100 x 0.1 cm |
| Size | 40mm x 40mm |

## Product Details

- **Brand:** Static Arc
- **Colour:** Steel
- **Item length:** 1 Metres
- **Manufacturer:** Static Arc
- **Material:** Mild Steel Box Section
- **Nominal wall thickness:** 2 mm
- **Outside diameter:** 40 Millimetres
- **Product dimensions:** 100L x 100W centimetres

## Images

![MILD Steel Square Tube Hollow Section Metal Box 40mm Width / 1m (40x40mm) - Image 1](https://m.media-amazon.com/images/I/51ngaudP+wL.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ Excellent service and product
*by B***R on 11 December 2025*

Perfect, correct dimensions.

### ⭐⭐⭐⭐ good quality
*by B***Z on 18 April 2025*

Good quality and accurate size. anti-rust coated so turned up rest free. would have been 5 star apart from price.

### ⭐⭐⭐⭐⭐ Good product.
*by A***R on 15 September 2025*

I only received 2 of the 5 orders due to evri loosing them in transit?

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**Shop now:** [https://www.desertcart.ro/products/645166811-mild-steel-square-tube-hollow-section-metal-box-40mm-width](https://www.desertcart.ro/products/645166811-mild-steel-square-tube-hollow-section-metal-box-40mm-width)

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-28*