---
product_id: 507907024
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 * 4mm"
brand: "ningvong"
price: "¥58515"
currency: JPY
in_stock: true
category: "Ning Vong"
url: https://www.desertcart.jp/products/507907024-304-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 * 4mm

**Brand:** ningvong
**Price:** ¥58515
**Availability:** ✅ In Stock

## Summary

> 🔧 Elevate your build with seamless strength and sleek 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 * 4mm by ningvong
- **How much does it cost?** ¥58515 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/507907024-304-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

- • **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 industrial projects.
- • **Seamless Strength:** Seamless construction enhances structural integrity and aesthetic appeal for professional-grade results.
- • **Polished Perfection:** Smooth stainless steel finish offers a sleek, modern look that elevates any architectural or hardware project.
- • **Versatile Applications:** Ideal for railings, handrails, columns, fences, and even creative DIY builds like barbecue racks or flagpoles.

## Overview

This 304 stainless steel square tube features a precise 30x30mm profile with thickness options from 0.8 to 4mm, delivered in 500mm lengths (2 pieces). Seamless and polished, it offers superior corrosion resistance and durability, making it perfect for professional-grade indoor and outdoor structural applications including railings, fences, and custom hardware projects.

## Description

Name: Stainless Steel Square TubeSurface treatment: stainless steel polishingMaterial: 304 stainless steelMain functions: building materials, medical treatment, machinery, hardwareMain 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 | B09PDVS1KH |
| Brand | NingVong |
| Colour | 30 * 30 * 4mm |
| Country of Origin | China |
| Manufacturer | NingVong |
| Material | Stainless Steel |
| Unit Count | 1.0 count |

## Product Details

- **Brand:** NingVong
- **Colour:** 30 * 30 * 4mm
- **Manufacturer:** NingVong
- **Material:** Stainless Steel
- **Unit count:** 1.0 count

## 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 * 4mm - 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 * 4mm - Image 2](https://m.media-amazon.com/images/I/31suUFF48KL.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 * 4mm - Image 3](https://m.media-amazon.com/images/I/414nwFAFM-L.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 * 4mm - Image 4](https://m.media-amazon.com/images/I/31KsvZLqV0L.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 * 4mm - Image 5](https://m.media-amazon.com/images/I/31wHtt8-KeL.jpg)

## Available Options

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

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**Shop now:** [https://www.desertcart.jp/products/507907024-304-stainless-steel-square-tube-rectangular-tube-thickened-industrial-tube](https://www.desertcart.jp/products/507907024-304-stainless-steel-square-tube-rectangular-tube-thickened-industrial-tube)

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-10-12*