Buy Online

Praxair Buy Online

Get the supply you need, when and where you need it

Whether you're a non-contract or contract customer, you can browse our online catalogs for the gases, accessories and equipment you need to work smarter, faster and more efficiently. You can also use our hydrogen market to arrange spot hydrogen purchases.

Contract Customers, Shop Praxair ExpressTM for Cylinder Gases and Equipment

Work smarter and faster with Praxair Express™ for Cylinder Gases and Equipment — a simple tool that allows you to search, browse and purchase cylinder gases and related accessories and equipment. With over 15,000 products available,Praxair Express can help you save valuable time with the ability to:

  • Place orders with your contract pricing
  • Request special items
  • Check order status
  • Create templates with our "custom order" feature, making repeat ordering quick and easy

Shop Praxair Express

Download our Spec Sheet (698KB)

Non-Contract Customers, Shop Praxair DirectTM for Welding Equipment and Supplies

Get the welding equipment and supplies you need to work more productively. At Praxair Direct™ you can:

  • Search our online catalog of over 50,000 items
  • Find local U.S. retailers
  • Place orders with your credit card
  • Check order status 
  • Learn more from our Specialty Gas and Industrial Gas and Welding Information Centers

Shop Praxair Direct

Praxair's Online Gulf Coast Pipeline Spot Hydrogen Market

Use our hydrogen market to arrange spot hydrogen purchases.

New customers: 
Contact your authorized sales representative, or call 1-800-PRAXAIR (1-800-772-9247)

Returning customers: 
Log in