Totes & parts · P-07
Stainless steel
IBC bins.
Short answer
- Tare 420 – 520 lb; stacks 3 – 4 high filled
- Integral skirt or legs, no separate pallet to fail
- Pressure-rated and jacketed bins available
- Hydrostatic tested and surface-inspected before sale
Price stainless bins
304 vs 316L
One alloying element, a large price difference
316L adds 2 – 3% molybdenum. That is the whole technical story, and it decides roughly a third of the price.
| 304 / 304L | 316L | |
|---|---|---|
| Key difference | No molybdenum | 2 – 3% molybdenum |
| Chloride pitting resistance | Poor | Good |
| Suitable for | Food, beverage, cosmetics, non-chloride chemistry | Brines, seawater, many acids, pharma, chlorinated solvents |
| Max continuous service | ~870 °C oxidising | ~870 °C oxidising |
| Relative cost, reclaimed | Baseline | +30 – 45% |
| Typical reclaimed price (350 gal) | $950 – $1,800 | $1,600 – $3,400 |
| Weld heat-affected zone | Sensitisation risk in 304 | L grade minimises carbide precipitation |
Where stainless earns it
Four jobs a composite tote cannot do
Hot fill and steam cleaning
HDPE softens and deforms above about 60 °C under load. Stainless takes steam-in-place cycles indefinitely, which is why sanitary plants with CIP skids standardise on it.
Aggressive chemistry
Strong oxidisers, aromatics and chlorinated solvents either permeate or stress-crack HDPE. 316L handles most of them, and the ones it does not are documented on the data plate.
Purity and extractables
Pharmaceutical, nutraceutical and fine-chemical duty where any polymer leachate is unacceptable. Electropolished interiors available on request.
Pressure and vacuum service
Jacketed and rated bins for pressure discharge, vacuum transfer and temperature control. Never apply vacuum to an atmospheric bin — it implodes, and it is not subtle.
What we inspect before sale
- Hydrostatic test to the plate rating
- Interior surface: pitting, scoring, weld condition
- Manway seal and clamp integrity
- Valve and dip-tube condition
- Data plate legibility and alloy verification
- Skirt and leg welds for handling damage
- Jacket integrity and relief device (if fitted)
- Passivation condition of the interior surface
Questions
Stainless questions
Is 304 or 316L stainless better for an IBC?
316L contains molybdenum, which resists chloride pitting — so brines, seawater, many acids and most pharmaceutical duty need 316L. 304 is adequate and significantly cheaper for food, beverage, cosmetics and general non-chloride service. Buying 316L when 304 would do is the most common overspecification in this category.
Why buy a used stainless bin rather than a new one?
Because stainless does not really age. A twenty-year-old 316L bin that passes a pressure test and a surface inspection is functionally equivalent to a new one, at 40 – 55% of the price. The wear items are the valve, the gaskets and the manway seal, all of which are replaceable consumables.
Can stainless IBCs be pressure rated?
Many are. Jacketed and pressure-rated bins typically carry a 15 – 45 psi working rating with a vacuum rating as well, stamped on the data plate. Never assume — an unjacketed atmospheric bin collapsed by vacuum during a pump-out is a genuinely common and expensive accident.
Are stainless bins worth it for water storage?
Almost never. A food-grade composite tote stores water for under $340. A stainless bin costs five to eight times that. Stainless earns its price on temperature, aggressive chemistry, CIP cycles and purity — not on volume.
Fittings and openings
Stainless bins do not share the composite standards
Everything you know about S60 buttress threads and 6-inch lids stops applying here. Stainless bins follow sanitary and industrial fitting conventions instead, and the fittings cost real money.
| Feature | Typical specification | Notes |
|---|---|---|
| Manway | 18 in or 20 in hinged, clamp-closed | Gasket is a consumable; specify compound |
| Manway gasket | EPDM, silicone or PTFE-envelope | Silicone for steam, PTFE for aggressive duty |
| Bottom outlet | 2 in or 3 in tri-clamp, or butterfly | Tri-clamp is the sanitary standard |
| Top fittings | 1.5 in or 2 in tri-clamp | Often a CIP spray-ball connection |
| Vent / pressure relief | Rated on jacketed bins | Check the relief setting against your pump |
| Dip tube | Optional, bottom-draw | Specify if you are pumping rather than gravity-draining |
| Interior finish | 2B mill, or electropolished | Electropolish for pharma and high-purity |
| Legs / skirt | Integral, forkliftable | No separate pallet to fail |
| Data plate | Alloy, capacity, pressure and vacuum rating | Read it; never assume atmospheric |
Fittings are the hidden cost in a stainless purchase. A bin at a good price with a non-standard manway or an obsolete clamp size can cost more to make usable than the price difference you saved. Send us a photograph of the manway and the outlet before committing.
Before we sell one
The inspection and test record you receive
Stainless does not age the way plastic does, which means condition is established by test rather than by appearance. These are the records that come with a reclaimed bin.
- 01
Alloy verification
A positive material identification check distinguishes 304 from 316L, because the data plate is not always right and the price difference is 30 – 45%. We record the result against the serial.
- 02
Hydrostatic test to the plate rating
Tested to whatever the data plate claims, not to a generic figure. A bin whose plate says 45 psi is tested at 45 psi, and if it does not hold, the plate is wrong and the bin is regraded.
- 03
Interior surface inspection
Pitting, scoring, weld condition and passivation state. Chloride pitting on a 304 bin that has held brine is the commonest finding and it is terminal for sanitary duty.
- 04
Manway and clamp integrity
Hinge, clamp and sealing face. A distorted sealing face cannot be made to seal with a thicker gasket, which is the usual field workaround and does not work.
- 05
Jacket and relief check, where fitted
Jacket pressure-tested separately, relief device verified against its stamped setting. A jacketed bin with an unverified relief is an unacceptable risk and we do not sell them.
Short answer
- Never apply vacuum to an atmospheric bin — it implodes
- Chloride pitting on 304 is terminal for sanitary service
- Manway gaskets are consumables; budget for them
- Alloy is verified by test, not by the data plate alone
From the Yard Journal
Longer pieces from the people who run the wash line, the test bay and the trading desk.
18 December 2025 · 4 min
Our grading floor is deliberately boring
Six labelled bays, one decision per unit, no judgement calls allowed at the end of a shift. Interesting processes produce inconsistent grades.
Priya Raghunathan · Head of reconditioning
Read21 May 2026 · 4 min
What a crushed cage tells you about the bottle inside
Counterintuitively, the worse the cage looks, the better the odds on the bottle. We pulled three years of intake records to check.
Priya Raghunathan · Head of reconditioning
Read2 October 2025 · 4 min
The case against buying new, written for a procurement team
Not an environmental argument. A specification argument, with the three clauses that genuinely require new containers and the four that do not.
Nina Caldwell · Trading desk
Read
Next move
Tell us the chemistry and the temperature.
Those two facts decide 304 against 316L, and whether a composite tote would honestly have been fine. Stainless stock moves slowly and unpredictably, so tell us your window too.