Home Stainless Steel IBC Tote SS Square Customized Tank

A square stainless steel tank isn't something you pull off a shelf. It's built to fit your space, your process, and your product.


Unlike round IBCs with fixed dimensions, square customized tanks are designed around your facility—whether you need to maximize storage in a tight footprint, integrate with existing equipment, or handle a specific liquid that standard containers can't accommodate.


We fabricate these tanks from 304 or 316L stainless steel, with wall thickness and internal finish matched to your application. Sanitary welds for pharmaceutical use. Heavy-gauge construction for industrial chemicals. Polished interiors for easy cleaning. Whatever your process requires, we build to that spec.


Each tank is welded in our Shijiazhuang facility by certified pressure vessel welders, pressure-tested before shipping, and documented with material certs and inspection reports. Because when you're investing in custom equipment, you need to know exactly what you're getting.

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SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank
SS Square Customized Tank

Product Overview

Key Specifications

Custom fabrication means specifications vary with each project. Below are typical ranges based on past orders.
Material Grade: 304 or 316L stainless steel, with 3.1 mill certificates traceable to heat numbers
Capacity Range: From 200 liters to 10,000 liters, depending on footprint and height requirements
Shape: Square or rectangular cross-section to maximize space utilization
Wall Thickness: Typically 2mm to 6mm, selected based on tank volume and specific gravity of contents
Internal Finish: From 2B mill finish to mirror polish (Ra ≤ 0.8μm) for sanitary applications
External Finish: Mill finish, brushed, or polished to customer specification
Top Configuration: Open top with removable lid, closed top with manway, or flanged connections for piping
Bottom Configuration: Flat, sloped, or conical for complete drainage
Fittings: Custom locations for inlets, outlets, vents, instrumentation ports, and manways
Optional Features: Heating jackets, insulation, agitators, CIP spray balls, load cells, and custom stands or legs

Technical Specifications

Detailed Specifications

Design Process

Every custom tank begins with a conversation about your application. We ask about the product being stored or processed, operating temperature, required pressure or vacuum, cleaning protocols, and the physical space where the tank will live. From there, we generate CAD drawings for your approval before any cutting or welding begins.
This approach prevents costly rework and ensures the finished tank fits your facility—not the other way around.

Material Selection
For most food and general industrial applications, 304 stainless steel provides adequate corrosion resistance at a reasonable cost. For pharmaceutical, biotech, and applications involving chlorides or aggressive chemicals, 316L is the standard choice. The “L” designation indicates low carbon content, which improves weldability and resistance to intergranular corrosion.

Each tank ships with a 3.1 material certificate, linking the stainless steel used to its original mill heat number. This traceability is essential for regulated industries.

Welding and Fabrication
All welding is performed by certified pressure vessel welders. We use full penetration welding on all wetted seams to eliminate crevices where product could accumulate or bacteria could grow. For sanitary applications, welds are ground and polished to match the surrounding surface finish.

After fabrication, each tank undergoes a pressure test to verify integrity. For pressure vessel applications, we can provide ASME Section VIII certification upon request.

Internal Surface Finish
Surface finish requirements vary by industry:
2B mill finish (Ra 0.5–1.0μm): Standard for industrial applications where frequent cleaning is not required
Mechanical polish (Ra 0.4–0.8μm): Suitable for food and beverage applications, easy to clean
Mirror polish / electropolish (Ra ≤ 0.4μm): Required for pharmaceutical, biotech, and high-purity applications to prevent bacterial adhesion and facilitate validation

Custom Features
Heating Jackets: Steam, electric, or hot water circulation to maintain product temperature or reduce viscosity
Insulation: Reduces heat loss, improves energy efficiency, and provides personnel protection from hot surfaces
Agitators: Top-entry or side-entry mixers for blending, suspension, or preventing settling
CIP Spray Balls: Fixed or rotating spray devices for automated cleaning without disassembly
Load Cells: Weighing systems for inventory control or batching

Custom Stands and Legs: Designed to achieve proper discharge height or match existing equipment elevations

Applications

Food & Beverage
Juices, oils, sweeteners, dairy, wine/beer – food-grade HDPE, no flavor transfer.

Chemical
Detergents, water treatment chemicals, coolants – UN-rated options available.

Agriculture
Liquid fertilizers, herbicides – UV-stabilized for outdoor use.

Water Treatment
Sodium hypochlorite, alum, polymers – chemically compatible.

Industrial
Waste collection, cooling water – lightweight, durable.
Application of plastic ton barrels

Why Choose Us

Fulait-ton-drum-warehouse

Download

Before you click download, here's the truth:


These aren't just PDFs we threw together overnight. They're the same spec sheets, material certs, and inspection reports we've been sending real customers for the past 15 years.


The 316L spec sheet? That's the one we send to pharma companies in Ireland who need to prove every weld. The UN cert sample? That's what got a chemical distributor in Houston through their DOT audit without a single finding.


Download them. Read them. Then imagine getting a fresh set with your name on every page.

Product Manual

FAQ

  • Q: Q: What's the lead time?
    A: 

    A: Standard: 15-20 working days. Custom: 25-35 working days.

  • Q: Q: Do you ship worldwide?
    A: 

    A: Yes. We export to 23 countries.

Get a Quote

Tell us what you need:Product model / capacity, Quantity, Valve type, Any special requirements (UN cert, custom sizes, etc.).
We'll respond within 24 hours with pricing and lead time.
Email: admin@stainlesssteelibc.com / Phone: +86-13333115568

Get Touch With Us

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