QT450-10
Type 120 Valve Body
Multi-cavity valve body for CRRC air-brake control system, with 700 kPa pressure-tightness verification.
Rail Transit
Safety-critical precision castings for rolling stock systems
Rolling stock components are safety-critical. Tsingbay's production route combines multiple testing methods to meet demanding railway quality requirements.
Triple NDT Coverage
RT + UT + MT inspection for safety-critical components
Thin-Wall Precision
Blade-edge thickness below 2 mm, without cold shuts or misruns
Multi-Cavity Castings
Complex air-circuit valve bodies verified by 700 kPa pressure-tightness testing
Low-Temperature Toughness
GS-20Mn5 achieving AKV (-40°C) ≥ 35 J
Torque Converter Pump Wheel
42CrMo
Thin-wall precision casting for locomotive hydraulic transmission systems, with blade-edge thickness below 2 mm.
Traction Motor Pressure Ring
GS-20Mn5 / EN 10293
Safety-critical railway casting with triple NDT coverage, achieving Rm ≥ 520 MPa and AKV (-40°C) ≥ 35 J.
Oil Drain Valve Seat
ZG230-450
Pressure-tight complex-cavity casting for diesel locomotive heating and lubrication systems.
Need safety-critical castings? Let’s check the requirements carefully.
For safety-critical rail components, we help assess material traceability, dimensional accuracy and inspection needs before moving into production.
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