MR. O SUPPLY — ONTARIO
Automotive & Welding Gases
Reliable welding and automotive gas supply for body shops, mechanics and dealerships across Ontario.
Keep your shop supplied and your work moving.
The right gas affects weld quality, spatter, cleanup time and productivity. Mr. O Supply helps automotive professionals choose the right gas, cylinder and supply option for their shop.
Find the Right Gas for Your Application
Oxygen
Fast, concentrated heat for cutting and repairs
When paired with an approved fuel gas, oxygen supports efficient cutting and controlled heating for removing damaged sections, loosening seized components and shaping metal.
Applications
Oxy-fuel cutting, heating, bending and straightening.
Acetylene
Versatile heat for precision and demanding shop work
Combined with oxygen, acetylene provides controllable high heat for brazing, soldering, cutting, welding and straightening metal.
Applications
Brazing, soldering, oxy-acetylene cutting, welding and heating.
Argon
Clean, stable shielding for MIG and TIG welding
Argon supports stable arc performance and clean weld appearance for aluminum, stainless steel and specialty-metal applications.
Applications
TIG welding aluminum, stainless steel and specialty metals; MIG welding aluminum.
Nitrogen
Clean, dry gas for approved testing procedures
Provides a dry, inert supply for approved pressure testing, leak detection and purging procedures.
Applications
Approved A/C pressure testing, leak detection, purging and specialized service work.
ⓘ Applications must follow vehicle, equipment and safety requirements.
Argon Mixes
| Mix | Applications | Benefit |
|---|---|---|
| 85% Argon / 15% CO₂ | MIG welding carbon steel where the process and equipment call for this blend. | Good penetration, controlled arc and reduced spatter compared with pure CO₂. |
| 75% Argon / 25% CO₂ | A widely used general-purpose blend for automotive MIG welding on carbon steel. | Smooth arc, good weld appearance and lower spatter. |
The right shielding-gas mixture depends on the welding process, material, thickness, transfer mode and equipment. Ask us to confirm the best option for your application.
Not Sure Which Gas or Mix You Need?
Tell us what you're welding, cutting or testing, and we'll help you identify the right gas and cylinder option.
Local Gas Supply for Ontario Automotive Shops
Based in Newmarket, Mr. O Supply supports body shops, mechanics and dealerships across our Ontario service area.
CYLINDER SUPPLY PROGRAM
Need Regular Cylinder Supply?
Keep your shop running with consistent gas supply. Explore our ongoing delivery and rental options, built for body shops, mechanics and dealerships.