---
product_id: 419700765
title: "MILD Steel ERW Box Section Square Hollow 20MM to 70MM - 1 Metre (100cm) Lengths (20mm x 20mm x 2mm Box), Black"
brand: "speciality metals"
price: "59939CFA"
currency: XOF
in_stock: true
reviews_count: 5
category: "Speciality Metals"
url: https://www.desertcart.sn/products/419700765-mild-steel-erw-box-section-square-hollow-20mm-to-70mm
store_origin: SN
region: Senegal
---

# Precision-cut 1m lengths Versatile welding & machining UK-made quality assurance MILD Steel ERW Box Section Square Hollow 20MM to 70MM - 1 Metre (100cm) Lengths (20mm x 20mm x 2mm Box), Black

**Brand:** speciality metals
**Price:** 59939CFA
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your build with precision-cut UK steel — don’t settle for less!

## Quick Answers

- **What is this?** MILD Steel ERW Box Section Square Hollow 20MM to 70MM - 1 Metre (100cm) Lengths (20mm x 20mm x 2mm Box), Black by speciality metals
- **How much does it cost?** 59939CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/419700765-mild-steel-erw-box-section-square-hollow-20mm-to-70mm)

## Best For

- speciality metals enthusiasts

## Why This Product

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

## Key Features

- • **Built to Last:** Robust mild steel with magnetic properties, perfect for welding and painting.
- • **Custom Fit Options:** Wide range of sizes from 20mm to 70mm to match your exact needs.
- • **Engineered for Precision:** Cut to exact 1-metre lengths for seamless project integration.
- • **Trusted UK Craftsmanship:** Manufactured and dispatched within 24 hours from Warrington, backed by 150+ years of metal expertise.
- • **Value Without Compromise:** Competitive pricing ensures you get premium steel without breaking the budget.

## Overview

This mild steel ERW square hollow box section offers durable, magnetic, and weld-friendly metal cut precisely to 1-metre lengths. Manufactured in the UK with over 150 years of metalworking expertise, it’s available in multiple sizes (20mm to 70mm) and thicknesses, ideal for professional-grade engineering, automotive, and DIY projects. Note: mild steel may rust but can be easily maintained with WD40 or sanding.

## Description

MILD STEEL ERW BOX SECTION SQUARE HOLLOW 25MM TO 70MM CUT, PACKED AND DISPATCHED FROM OUR FACTORY IN WARRINGTON, UK PRICES INCLUDE DELIVERY!! MILD STEEL BOX SECTION Mild steel is a quality strong metal. However it is not rust proof and may do so over time. Please use galvanised or stainless steel if you need resistance to rust. If the product does show signs off rust then simply get this off with WD40 or fine sanding. Mild steel can be welded and it is also suitable for painting. Mild steel is magnetic. We cut this mesh on our ultra powerful industrial saw. Please note that there may be some scratches on the metal as these plates are housed in our factory. We do our best to always ensure that our products are kept in the best possible condition. All products meet all relevant British Standards. Please handle with care when handling this product as there may be sharp edges from the cutting process. AVAILABLE BOX SECTION: These are the box section sizes that we offer as standard: - 20 x 20mm x 2mm Square ERW Tube - E220 Grade - 25 x 25mm x 2mm Square ERW Tube - E220 Grade - 25 x 25mm x 2.5mm Square ERW Tube - S235 Grade - 30 x 30mm x 2.5mm Square ERW Tube - S235 Grade - 30 x 30mm x 3mm Square ERW Tube - S235 Grade - 40 x 40mm x 2.5mm Square ERW Tube - S235 Grade - 40 x 40mm x 3mm Square ERW Tube - S235 Grade - 40 x 40mm x 5mm Square ERW Tube - S355 Grade - 50 x 50mm x 3mm Square ERW Tube - S275 Grade - 50 x 50mm x 4mm Square ERW Tube - S355 Grade - 60 x 60mm x 2mm Square ERW Tube - E220 Grade - 70 x 70mm x 2mm Square ERW Tube - E220 Grade

Review: It's as described. - Normal commercial quality and to correct size.
Review: Refunded - Wasted time bit of a corn

## Features

- BOX SECTION METAL TYPE – This box section is made of black steel grade. It is magnetic. Please handle with care as the edges may be sharp from the cutting process. Please also note that there may be some signs of rust or discoloration as mild steel is a raw material and is not coated to prevent corrosion. If the metal does show signs of rust then simply get this off with WD40 or fine sanding
- MILD STEEL SQUARE HOLLOW TUBE - Mild steel box section is often known as hollow square tube. It is so versatile. It is tough, strong and stiff. It is ideal for welding and painting, can be easily machine cut and drilled and is magnetic. Our customers have used it for myriad applications including automotive repairs, engineering patch up jobs and many other DIY projects
- MANY OPTIONS – Simply select the box size that you require from the dropdown options. This listing is for 1m (1000mm or 100cm) of top quality mild steel box
- UK MANUFACTURE- We guillotine down, pack and ship these rolls from our factory in Warrington, UK within 24 hours of order. The Mesh Company is part of a group that has been in the metals industry for over 150 years. We bring all of that experience to the day-to-day management of our fulfilment process
- BEST PRICES – We constantly scour the metals markets to ensure that our offer is the best. Our prices are kept as low as possible so that our customers are given the best possible deal for their metal

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09JKXZRNG |
| Best Sellers Rank | 66,236 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 32 in Steel Tubes |
| Customer Reviews | 3.6 3.6 out of 5 stars (15) |
| Cutting Diameter | 20 Millimetres |
| Date First Available | 15 Oct. 2021 |
| Item form | raw |
| Item thickness | 2 Millimetres |
| Manufacturer | Speciality Metals |
| Number of items | 1 |
| Size | 20mm x 20mm x 2mm Box |
| Specification met | True |

## Product Details

- **Brand:** Speciality Metals
- **Colour:** Black
- **Item diameter:** 20 Millimetres
- **Material:** Mild Steel,Metal
- **Shape:** Square

## Images

![MILD Steel ERW Box Section Square Hollow 20MM to 70MM - 1 Metre (100cm) Lengths (20mm x 20mm x 2mm Box), Black - Image 1](https://m.media-amazon.com/images/I/3109-4rThjL.jpg)
![MILD Steel ERW Box Section Square Hollow 20MM to 70MM - 1 Metre (100cm) Lengths (20mm x 20mm x 2mm Box), Black - Image 2](https://m.media-amazon.com/images/I/51DnfErA16L.jpg)

## Customer Reviews

### ⭐⭐⭐⭐⭐ It's as described.
*by S***Y on 24 September 2025*

Normal commercial quality and to correct size.

### ⭐ Refunded
*by A***R on 14 August 2025*

Wasted time bit of a corn

### ⭐⭐⭐⭐⭐ Excellent product
*by P***N on 17 September 2025*

Excellent product just what I needed

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-01-25*