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GOLDSUMMIT WELDING

GOLDSUMMIT WELDING

"Goldsummit (GS) welding" is the world's highest-quality alumino-thermic welding*1 method "SkV"*2 which we introduced for our railway by tying up with Electro Thermite, a German company, in 1979. Currently, GS welding accounts for 40% of rail welding in Japan.

*1 Alumino-thermic welding: A welding method to fill a joint with molten steel produced by utilizing the heat caused by chemical reaction of iron oxide flakes and aluminum powder.
*2 SkV: Thermite´╝ŹSchnellschwei ss verfahren mit kuzer Vorm rmung (Quick welding method by short-time preheat)

Advantages

1Time for welding work is short and most suitable for welding on site

2Equipment is light and this realize high mobility

3Welding quality is stable

GOLDSUMMIT WELDINGAppearance of weld zone of 50N railMacrostructure of weld zone of 50N rail
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Goldsummit welding procedure

Goldsummit welding videos

VARIETY OF GOLDSUMMIT WELDING

Step mould

Step mould

Wide gap

Wide gap

Crane rail (73K)

Crane rail (73K)

Crane rail (100K)

Crane rail (100K)

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