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Acetylene’s versatile nature means that is has a number of benefits and features making it the fuel gas of choice for many processes including cutting, gas welding, flame heating, flame gouging, flame straightening and brazing.
Features of Acetylene:
- the hottest and most efficient of all the fuel gases, increasing productivity
- uses oxygen efficiently, reducing costs
- lighter than air, , and is safe to use underground
- low ignition energy
- low moisture content flame
- non-toxic (may cause dizziness in high concentrations).
- Together, oxygen and acetylene produce a flame temperature of approximately 3150°C - the only gas hot enough to weld steel
- An oxy-acetylene flame gives good localised heating, reducing wasted heat
- Oxy-acetylene provides the fastest pre-heating and piecing times of any fuel gas combination
- When oxy-acetylene is used in the cutting processes, an improved cut quality, higher cutting speed, and faster cut initiation time are achieved
- When used with either oxygen or air, acetylene can produce a thin layer of black carbon particles. This can prevent components sticking in their molds.
Acetylene can ignite and burn instantly from a spark or piece of hot metal. It can form explosive acetylide compounds with some metals, most notably copper, silver and mercury.
Please note: Copper alloys containing less than 65% copper and silver solder containing less than 43% silver are considered safe. Hoses used with acetylene are coloured red and are designed to resist acetone. For this reason other fuel gas hoses must not be used.