Gnee (Tianjin) Multinational Trade Co., Ltd.
Gnee (Tianjin) Multinational Trade Co., Ltd.
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GNEE cast iron rail shoulders are manufactured from pearlitic malleable iron (M.C.I. Inserts) and spheroid graphite iron (S.G.C.I. Inserts). We are committed to providing high-quality cast iron rail shoulders, we also offer customization according to customer requirements, feel free to contact us.
| Material | Material Chemical Composition〔%〕 | Tensile Strength (Mpa) | Yield Strength (Mpa) | Elongation (%) | ||||
| C | Si | Mn | P | S | ||||
| QT400-15 (GGG40) | 3.6-.36 | 3.0-3.2 | 0.5 | 0.07 | 0.02 | 400 | 250 | 15 |
| QT450-10 (GGG45) | 3.4-3.9 | 3.7-3.0 | 0.5 | 0.07 | 0.03 | 450 | 310 | 10 |
| QT500-7 (GGG50) | 3.4-3.8 | 2.5-2.9 | 0.6 | 0.08 | 0.025 | 500 | 320 | 7 |
We offer two types of cast iron rail shoulders. single stem iron shoulders, mainly used for pre-stressed concrete ties, and twin stem iron shoulders, commonly used in Bi-Block or twin block concrete ties. Of course, we also manufacture other types of rail shoulders. Feel free to inquire for more information.
Our skilled team from GNEE factory is dedicated to delivering precision and reliability in every railway product we manufacture. Welcome customers to send us their drawings for customized orders.