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Cutting Torch Safety

An oxy-fuel cutting torch is a flame hot enough to cut steel, powered by compressed gases. It needs trained hands, careful equipment and a clean work area.

Why is a cutting torch hazardous?

A cutting torch combines a fuel gas, oxygen and a very hot flame. Hazards include fire, burns, explosions from leaks or flashback, and damage from compressed gas cylinders. Sparks and slag can travel and ignite materials far from the work.

OSHA's welding, cutting and brazing materials cover these hazards. Because the equipment involves pressure and flammable gas, learn from a qualified trainer and follow the maker's instructions.

Older torch setups on farms may have been passed down or bought at sales. Have a qualified person look over any equipment you did not buy new before you use it.

What should you check about the equipment?

Inspect hoses, regulators, torch handles and fittings before each use. Replace worn, cracked or burned parts. Use only equipment designed for the gases you use, and do not mix parts from different systems.

Leak checks and setup procedures are specific to the equipment. Follow the manufacturer's manual and the instructions of your gas supplier. Do not test for leaks with a flame.

Replace hoses that are old or hardened, since they can crack and leak without warning. Keep hoses away from sparks and sharp edges, and keep them off the floor where vehicles or feet can damage them.

• Hoses free of cracks, burns and wear.
• Regulators and gauges in good condition.
• Fittings tight and designed for the gas.
• Flashback protection used as the manual directs.
• Torch tips clean and the right type.

How do you keep cylinders safe?

Gas cylinders are heavy and pressurized. Keep them upright and secured so they cannot fall. Protect valves, keep cylinders away from heat and from each other as the supplier's guidance directs, and move them using proper methods.

Store cylinders in a ventilated, designated area. Do not store oil or grease near oxygen equipment. If a cylinder leaks or is damaged, move away and call your supplier or 911. Do not try to fix a damaged cylinder yourself.

Move cylinders by the method the supplier recommends and do not roll them like logs or lift them by the valve cap. Close valves fully when the job ends, and follow the manual for shutting down the system.

How do you prevent fires and burns?

Clear flammables from the area and think about where sparks and hot slag will fall. Move the work to a safe place or protect the surroundings. Have a fire extinguisher and a way to call 911, and keep watching the area after you finish.

Wear protective clothing, gloves and eye protection suited to cutting as the manual and OSHA guidance describe. Do not cut on or near containers that held fuel or chemicals. They can explode.

After cutting, check the work, the floor and the area around for small embers. Cutting slag can roll into cracks or under equipment. Keep an extinguisher and a person who knows how to use it available until you are sure the area is safe.

What jobs should you never do with a torch?

Never cut into closed or pressurized containers, tanks, drums or pipes unless a qualified professional has made them safe. Never cut into unknown containers. Many serious farm injuries have involved cutting or welding on drums or tanks that contained residue.

Do not cut where fumes cannot escape, and do not cut coated or unknown metals without ventilation and guidance. Ask a qualified person when in doubt.

Remember that oxygen makes things burn faster, so keep it away from oil, grease and clothing that may be contaminated. Never use oxygen to blow dust off clothes or to cool yourself.

Where can you get training?

Welding programs at community colleges, supplier-led safety sessions and extension classes may teach torch use. Ask for hands-on practice with an experienced person before using a torch on real work.

Youth work rules vary. Confirm them with the U.S. Department of Labor and your state agency. In an emergency, such as a fire or serious burn, call 911 and follow the instructions of responders.

Be honest about your skill level. If a task seems beyond what you have practiced, hire a qualified welder or fabricator instead of improvising. A professional can complete the job safely and show you the technique. Ask the supplier of your gas about delivery safety information and what to do if you smell gas or hear a hiss. Keep that number posted near the equipment next to the number for 911.

Last reviewed: November 12, 2026. Written by the Farm Safety Editorial Team. See our editorial policy.