---
product_id: 467398786
title: "304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm"
brand: "ningvong"
price: "¥42616"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/467398786-304-stainless-steel-square-tube-rectangular-tube-thickened-industrial-tube
store_origin: JP
region: Japan
---

# Precise 30x30mm square profile with customizable length Thick 0.8-4mm walls for heavy-duty, corrosion-resistant strength 304-grade stainless steel for ultimate durability 304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm

**Brand:** ningvong
**Price:** ¥42616
**Availability:** ✅ In Stock

## Summary

> 🔩 Elevate your build with seamless strength and style!

## Quick Answers

- **What is this?** 304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm by ningvong
- **How much does it cost?** ¥42616 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/467398786-304-stainless-steel-square-tube-rectangular-tube-thickened-industrial-tube)

## Best For

- ningvong enthusiasts

## Why This Product

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

## Key Features

- • **Sleek & Safe:** Polished finish combines industrial strength with a clean, modern aesthetic that elevates any space.
- • **Built to Last:** Premium 304 stainless steel ensures rust-proof, corrosion-resistant performance for indoor and outdoor use.
- • **Tailored to You:** Easily cut to your exact length needs—perfect for custom railings, shelves, or architectural accents.
- • **Heavy-Duty Thickness:** Robust 3mm wall thickness balances strength and lightweight handling for professional-grade projects.
- • **Versatile Applications:** Ideal for railings, handrails, fence posts, BBQ racks, and even model construction projects.

## Overview

This 304 stainless steel square tube features a precise 30x30mm profile with a durable 3mm thickness and polished finish. Designed for heavy-duty, corrosion-resistant applications, it’s perfect for custom indoor and outdoor structures like railings, shelves, and fences. Sold in 2-piece 500mm lengths, it offers easy customization and professional-grade reliability.

## Description

Name: Stainless Steel Square Tube Surface treatment: stainless steel polishing Material: 304 stainless steel Main functions: building materials, medical treatment, machinery, hardware Main features: durable, corrosion-resistant, rust-proof, temperature-resistant

## Features

- 304 stainless steel square tube, specification 30*30*1mm: length 30mm, width 30mm, thickness 1mm, length 500mm, 2pcs
- Can be cut separately: Cut the item individually to the length of your choice.
- Not only provide a wide range of high-quality profiles. We also stock a variety of plates and angles, beautiful and safe window grilles, and practical and decorative fences.
- Suitable for various indoor and outdoor stainless steel structures, such as railings, doors, shelves
- This material is very suitable for welding, especially suitable for: railings, handrails, columns, exhaust devices, coat racks, clothes rails, flag poles, fence posts, barbecue racks, model construction and so on.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Asin | B09PDTY41J |
| Brand | NingVong |
| Colour | 30 * 30 * 3mm |
| Country Of Origin | China |
| Manufacturer | NingVong |
| Material | Stainless Steel |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** NingVong
- **Colour:** 30 * 30 * 3mm
- **Manufacturer:** NingVong
- **Material:** Stainless Steel

## Images

![304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm - Image 1](https://m.media-amazon.com/images/I/517ezwc+NDL.jpg)
![304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm - Image 2](https://m.media-amazon.com/images/I/61ABFGWcdeL.jpg)
![304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm - Image 3](https://m.media-amazon.com/images/I/61vK+hUEo3L.jpg)
![304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm - Image 4](https://m.media-amazon.com/images/I/51oo1Yrxj3L.jpg)
![304 Stainless Steel Square Tube, Rectangular Tube, Thickened Industrial Tube, Seamless Square Tube, Side Length 30mm, Thickness 0.8-4mm, Length 500mm, 2pcs,30 * 30 * 3mm - Image 5](https://m.media-amazon.com/images/I/61HQgEiuwuL.jpg)

## Available Options

This product comes in different **Color** options.

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**Shop now:** [https://www.desertcart.jp/products/467398786-304-stainless-steel-square-tube-rectangular-tube-thickened-industrial-tube](https://www.desertcart.jp/products/467398786-304-stainless-steel-square-tube-rectangular-tube-thickened-industrial-tube)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-09-30*