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3 years Warranty customized Weld on Shoulder For Rail 50kg Rail
Brand | Rail shoulder /Casting Shoulder/Weld-on Shoulder | ||
Type | For rail UIC54, UIC60, 115RE,50kg rail, 60kg rail,BS80lbs, BS100lbs | ||
Or the type by customers’ drawings | |||
Material | QT500-7 (GGG50) | QT450-10(GGG45) | QT400-15(GGG40) |
Chemical composition(%) | C:3.60-3.80, | C:3.40-3.90, | C:3.5-3.60, |
Surface | plain (oiled) |
Casting shoulders are pressed in concrete sleeper and assembly with E clip in order to fasten the rail , the normal material we use is casting iron , the mechanical property and chemical composition are below :
Material | Tensile strength(Mpa) | Yield strength(Mpa) | Elongation(%) |
QT400-15(GGG40) | 400 | 250 | 15 |
QT450-10(GGG45) | 450 | 310 | 10 |
QT500-7 (GGG50) | 500 | 320 | 7 |
| C | Si | Mn | P | S |
QT400-15 | 3.6-.36 | 3.0-3.2 | 0.5 | 0.07 | 0.02 |
Qt450-10 | 3.4-3.9 | 3.7-3.0 | 0.5 | 0.07 | 0.03 |
QT500-7 | 3.4-3.8 | 2.5-2.9 | 0.6 | 0.08 | 0.025 |
Rail shoulders are produced by hot forging , which used together with clip bolt and special rail clip to fix the rail , the material can be low carbon steel and mid carbon steel according to our customers' requirement .
Weld-on shoulder is used for the typical position of rail , it is welded on flat steel plate instead of the standard tie plate , which produced according to AREA standard .