As the embedded part of the rail fastening system, the casting-in shoulder is pressed into the concrete sleeper and assembled with E-type rail clip to fix the rail. Our raw material for casting-in rail shoulder is cast iron, such as GB/T 1348-1988, NF EN 1563 (1997), ISO1038, DIN 1693, JIS G5502 (2001), KS D 4302, GOST 7293 (1985)) or BS EN 1563 (1997).
Application: UIC54, UIC60, 115RE,, 50kg rail, 60kg rail, BS80lbs, BS100lbs, etc.
Name: QT500-7 QT450-10 QT400-15
Standard: GB 1348-88 GB 1348-88 GB 1348-89
Surface: Normal (oiled)
Main Material Technical Parameter of Cast in Rail Shoulders:
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 |
Material Chemical Composition〔%〕of Cast in Rail Shoulders:
Material |
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 |
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