Davidon Alloys, Inc. - RW 118/RW 122/RW 70 High Strength Hot Cutting Wires
Davidon Alloys - Representing Leading Manufacturers Toll Free: 1-866-482-5569   •   esierman@davidonindustries.com

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RW 118/RW 122/RW 70 High Strength Hot Cutting Wires

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Nickel and Nickel Alloy Wires for MIG and TIG Welding

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These hot cutting wires have high strength at elevated temperatures and are used for cutting polystyrene (EPS) and or heat sealing woven polypropylene bags. RW 118 has the best performance on many different machine models. Some machines and operations prefer RW 122 or RW 70.
To achieve the best cut, adjust the wire temperature and the speed of the block through the wire. The material type and it’s density will influence the cutting speed.






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Item #

Density

Melting Point

Coefficient of Expansion at 20-100°C

Electrical Resistivity at 20°C

Max. Operating Temperature

RW 118 High Strength Hot Cutting Wire 8.18 g/cm³ 1370 °C
2500 ºF
12.7 µ m/m.°C 118 µΩ.cm 950 °C
1740 ºF
RW 122 High Strength Hot Cutting Wire 8.28 g/cm³ 1430 °C
2500 ºF
12.6 µ m/m.°C 122 µΩ.cm 700 °C
1292 ºF
RW 70 High Strength Hot Cutting Wire 8.00 g/cm³ 1420 °C
2588 ºF
17.6 µ m/m.°C 70 µΩ.cm 300 °C
572 ºF
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