Railway

Read:68+ Date:2024-05-17 11:38:38 Author:DTI

SERVICE INTRODUCTION

Ding Testing & Inspection (DTI) provides quality testing or retesting services for metal materials, components, spare parts, etc., used in railway construction, installation, manufacturing, and maintenance of locomotive equipment, assisting enterprises in ensuring railway safety from the source.

SCOPE OF APPLICATION

Railway Civil Engineering: Retesting of products such as reinforcing bars, welding studs, and bolted connections for steel structures.

Railway Installation Engineering: Retesting and welding process evaluation of products such as steel plates, steel pipes, welding materials, fasteners, steel strands, anchors, and rail spikes.

Locomotive Equipment Manufacturing: Retesting of metal materials, fasteners, and other products.

Railway Operation Equipment Maintenance: Retesting of spare parts and components.

Railway Related Enterprises: Calibration of measuring instruments.

Project Name Specific Projects
Reinforcing bar (Rebar) Chemical composition, Tensile testing, Bending test, Repeated bending test, Stress relaxation, Dimensions, Weight deviation
Welding nail Chemical composition, Tensile testing, Bending test
Bolt connection assembly Torque coefficient, Wedge load, Hardness, Proof load, Anti-slip coefficient
Steel materials Chemical composition, Tensile testing, Bending test, Impact testing, Flaring test, Flattening test
Welding materials Chemical composition, Tensile testing, Bending test, Impact testing, Macrography
Fasteners Tensile testing, Proof load, Impact testing, Lateral vibration, Coefficient of friction, Torque testing, Dimensions
Steel strand Tensile testing, Bending test, Stress relaxation, Coating thickness
Anchors Hardness, Static load
Track spike Dimensions, Tensile testing, Bending test, Impact testing
Calibration of measuring instruments Thermometry, Electrical, Length, Chemical, Mechanical
Including GB/T TB NB/T OC/R