Email: sales@aerosolgas.com
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| Welding Type | Arc Welding | Oxy-Fuel Welding & Cutting | MAPP/Propane Gas Brazing & Welding |
|---|---|---|---|
| Field Work Photo |  |
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| Working Fundamental |  |
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| Power Source |  Electricity |
 Acetylene & Oxygen |
 MAPP/Propane & Oxygen |
| Cylinder Size | N/A | H=112cm D=31cm W=84kg | H=27.3cm D=7.4cm W=0.9kg |
| Welding Tool |  |
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| Welding Electrode or Rod |  Stainless Steel, Nickel |
 Bronze, Silver, Aluminum |
 Bronze, Silver, Aluminum |
| Welding Theory | An electric arc is used to create intense heat to melt the two workpiece metals and when it cools, a strong welded joint is formed. | Acetylene and Oxygen are used to weld or cut metals. Pure Oxygen instead of air is used to increase flame temperature to allow localized melting of the workpiece metals. | Just like Oxy-Fuel welding & cutting, only MAPP gas or Propane is used instead of Acetylene since the flame temperature created by MAPP is enough in HVAC welding works. |
| Theoretical Flame Temp. | Electric Arc = 3,900 °C | Acetylene = 2,400 °C in air Acetylene = 3,500 °C in Oxygen |
MAPP = 2,020 °C in air MAPP = 2,925 °C in Oxygen Propane = 1,980 °C in air Propane = 2,253 °C in Oxygen |
| Workpiece Melting Point | Stainless Steel = 1,400 °C Carbon Steel = 1,490 °C Iron = 1,540 °C |
Copper = 1,085 °C ; Brass = 925°C Silver = 962 °C Aluminum = 660 °C |
Copper = 1,085 °C ; Brass = 925°C Silver = 962 °C Aluminum = 660 °C |
| Cons & Pros | *Need to be plugged in. *Electricity cost is higher. *Need expert experience. |
*Cylinder size is big and heavy. *Much higher flame temp. can easily damage adjacent parts. |
*1LB cylinder can be portable. *Can do all Oxy-Fuel welding jobs with better temp. and lower cost. |
