Metallographic Examination

Microstructure Detection Of Metals

Applicable materials: Suitable for black metals such as steel and cast iron, as well as non-ferrous metals and their alloys such as aluminum, copper, titanium, magnesium, zinc, etc.

On Site Metallographic Examination

Heat treated parts: microstructure and hardening layer testing of quenched, tempered, normalized, annealed, carburized, nitrided, and carbonitrided parts

Film Coated Metallographic Examination Is Wicked

Large in-service equipment: non removable workpieces such as power boilers/pressure vessels, chemical pipelines, wind turbine spindles, metallurgical rollers, ship shaft systems, etc

Fracture Detection

Black metals: carbon steel, alloy structural steel, stainless steel, tool steel, bearing steel, cast iron (gray iron/ductile iron/creep iron), high manganese steel, etc

Acid Leaching Testing

Acid leaching testing is the core method for detecting low magnification structures in metals. It exposes macroscopic defects and structural characteristics inside the metal through chemical...

Forging Streamline Detection

Black metals: carbon structural steel, alloy structural steel, stainless steel, high carbon chromium bearing steel, tool and mold steel, high manganese steel, low-alloy high-strength steel, etc

Macroscopic Metallographic Testing Of Welded Joints

Covering welding methods: manual arc welding, gas shielded welding, submerged arc welding, electric slag welding, friction welding, plasma arc welding, laser welding, brazing, etc

Low Magnification Organizational Testing

Macro organizational analysis: macro grading of grain size, streamline distribution morphology, and evaluation of organizational uniformity.

Sodium Hydroxide Etching Detection

Electrochemical testing: open circuit potential, polarization curve, electrochemical impedance spectroscopy (EIS), to evaluate corrosion kinetics parameters.

Metallographic Testing Of Ductile Iron

Applicable materials: Covering conventional and special ductile iron such as QT450-10, QT500-7, QT600-3, QT700-2, including ductile iron in different heat treatment states such as as as cast,...

Metallographic Testing Of Gray Cast Iron

Graphite type determination: distinguish A-type, B-type, C-type, D-type, E-type, and F-type graphite according to the morphology of flake graphite.

Metallographic Testing Of Copper Alloys

Matrix organization inspection: Identify the organizational composition of alpha phase, beta phase, lead phase, intermetallic compounds, etc., and evaluate the content and morphology of each phase.