40 cu ft Steel Oxygen Cylinder

New 40 cuft steel oxygen cylinder with CGA540 valve. Great capacity, thick walls, and strong steel construction for heavy-duty use.  Tough green painted rust stop finish provides lasting durability.

Oxygen is used in small amounts as an addition to other gases in welding applications; typically, as 2-5% addition to argon. It enhances arc stability and reduces the surface tension of the molten metal, increasing wetting of the solid metal.

Premium Construction

  • Durable steel construction.
  • Thick painted walls.

Quality Features

  • 7″ diameter x 22.3″ height (with valve) Note: due to differences between manufacturers, cylinder height may vary slightly. 
  • UN/ISO stamped
  • DOT- and TC-approved
  • Certified or hydro-tested within 12 months
  • New CGA540 valve
  • 24 lb. tare weight
  • Applications: Industrial, Medical, Welding
  • Ships empty

All cylinders ship empty. Doctor’s prescription required to fill with medical oxygen. Seek the advice of a physician if you have questions about the proper use of medical oxygen. Please be sure to use a regulator that fits the cylinder valve, and that is correct for your application of use.

Find this oxygen and other top-quality oxygen tanks on the Oxygen cylinder page.

Questions? Please see our frequently asked questions page.

Still have questions? Email us at [email protected].

Weight 30 lbs
Dimensions 23 × 8 × 8 in
Gas Type

Oxygen

Material

Steel

Finish

Painted, Rust Inhibitor

Capacity

40 cu ft / 1133 l

Valve

CGA540

Approval

DOT, ISO/UN, TC

Service Pressure

2234 PSI / 154 Bar

Test Pressure

3365 PSI / 232 Bar

Internal Volume

476 cu in / 7.8 l

Water Capacity

7.2 Liters

Tare Weight

28.22 lb / 12.8 kg

Length

17.1" / 435 mm

Diameter

7" / 178 mm

Thread Size

3/4" NGT

Application

Industrial, Welding

Ships

Empty

Condition

New

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Fast Shipping

Gas Cylinder Source knows you need your product now, which is why we offer super-fast shipping and even have an express option. We also recognize shipping charges can play a significant role in a purchase, and that is why we do everything we can to keep shipping rates as low as possible. We do not inflate the price of our products as a mask for free shipping offers. Our product prices are set at the best pricing we can offer, and the amount charged for shipping covers the shipping and delivery of your order. We believe this transparency in costs is the best way to keep you well-informed while receiving the best price available.

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Residential vs Commercial Address
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LTL Freight Shipments
For larger freight or custom orders, we ask you to allow for a 7-10 business day lead time for product preparation and shipping set up. A customer service representative may reach out to you requesting additional information such as liftgate needs, receiving hours, or other order details. Once your order has shipped, you will receive tracking information. LTL Freight Costs will be calculated on the day of shipment and may vary from your initial estimate, resulting in additional charges.

Time to Ship
Product is shipped from Minnesota. Transport time is usually between 1 and 5 days. Orders typically ship out the following business day after the order has been placed. Larger orders, and especially those going via a contracted freight service, may take additional time.

Order Tracking
Once your order has been shipped, an email will be sent to you with tracking details as well as a link you can use to track your shipment and find estimated delivery information.