Drawing & Specification Review
Review product drawings, dimensions, material requirements, applicable standards and inspection requirements before production.
Quality & Inspection
Railway Component Quality Control & Inspection
Quality requirements are reviewed according to customer drawings, technical specifications and agreed acceptance criteria.
Kingrail coordinates manufacturing control, product inspection, documentation and third-party inspection for railway wheels, axles, wheelsets, tyres and railway components.
Quality control process
Quality Control from Drawing Review to Delivery
Material Verification
Material grades, chemical composition and relevant material documentation are reviewed according to the project specification.
Manufacturing Control
Manufacturing processes, machining requirements, heat treatment requirements and key technical parameters are coordinated according to the confirmed specification.
Product Inspection
Dimensional conformity, surface condition, hardness and other specified characteristics are inspected according to the drawing and agreed acceptance criteria.
NDT & Special Inspection
Ultrasonic Testing (UT), Magnetic Particle Testing (MT) and other specified inspection methods can be coordinated when required by the product specification.
Final Inspection & Documentation
Final product condition, marking, quantity, packing and required inspection documentation are reviewed before shipment.
Inspection capabilities
Inspection According to Product & Project Requirements
The actual inspection scope depends on the product, customer drawing, applicable specification and agreed project requirements.
Chemical Composition
Mechanical Properties
Dimensional Inspection
Hardness Testing
Ultrasonic Testing (UT)
Magnetic Particle Testing (MT)
Surface Inspection
Wheel Profile Inspection
Wheelset Assembly Inspection
Marking & Quantity Verification
Packing Inspection
Material Certificate Review
Real project inspection
Inspection in Real Railway Projects
Third-party inspection
Independent Third-Party Inspection
Independent third-party inspection by SGS, TÜV or other customer-designated inspection organizations can be coordinated when required.
Inspection scope may include dimensional verification, hardness testing, visual inspection, quantity and marking verification, packing inspection, documentation review and other agreed inspection items.
Product-specific quality control
Inspection for Different Railway Products
Inspection methods are selected according to the drawing and order requirements; the items below are examples for each product group.
Railway Wheels ↗
Dimensional inspection, wheel profile, hardness, material properties, NDT and other drawing-specific requirements.
Railway Axles ↗
Dimensional inspection, journal and seat dimensions, material properties, hardness, UT, MT and other specified requirements.
Railway Wheelsets ↗
Wheel and axle conformity, dimensional inspection, back-to-back dimensions, assembly / press-fit requirements and final wheelset inspection.
Railway Tyres ↗
OD, ID, width, profile, hardness, surface condition, marking and other project-specific inspection requirements.
Inspection documentation
Inspection & Quality Documentation
Documentation can be coordinated according to contract and project requirements.
Material Certificates
Inspection Reports
Dimensional Inspection Records
Hardness Test Records
NDT Reports when required
Third-Party Inspection Reports when applicable
Packing & Marking Records
Inspection inquiry
Have Specific Inspection Requirements?
Send us your product drawing, applicable standard, inspection scope and acceptance criteria. Our team can review the requirements before manufacturing and coordinate the appropriate inspection plan.