Testing & Inspection Capabilities

Kefeng Testing Laboratory Equipment Overview

Comprehensive capabilities across mechanical testing, hardness, chemical composition, metallography/surface analysis, dimensional and surface metrology, and nondestructive testing — delivering traceable quality assurance for casting, forging, and machining.

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⚙️ Mechanical Testing Cryogenic/Tension/Bending

Cryogenic Charpy impact tester
Evaluates toughness and absorbed energy at −196 °C
Universal testing machine
Tension, compression, and bending force–displacement curves
Gauge length marking device
Precise gauge positioning ensures elongation accuracy
Notch broaching machine
One‑pass V/U notches for consistent impact specimens
Impact specimen projector
Measures notch dimensions and angle for compliance

🛡️ Hardness Testing Leeb/Brinell/Vickers

Leeb hardness tester
Portable on‑site; rapid hardness assessment for large parts
Manual Brinell/Vickers tester
Multipoint testing for medium/large castings and forgings
Brinell hardness tester
High‑load measurements correlated with yield strength
Vickers microhardness tester
Micro‑area hardness gradient and case depth analysis

🔬 Chemical Composition Elemental/ppm‑level

Portable spectrometer
On‑site alloy identification and quantification
Benchtop spectrometer
Laboratory‑grade quantitative analysis down to ppm

🧫 Metallography & Surface Analysis Microscopy/Preparation

Metallographic microscope
50–1000× observation of grains and precipitates
Specimen polishing machine
Mirror finish with minimal scratches and artifacts
Electro‑polishing/etching unit
Rapidly reveals grain boundaries and phase distribution

📐 Dimensional & Surface Metrology µm‑level/Profile

CMM (3‑coordinate)
µm‑level 3D dimensions and GD&T inspection
Roundness tester
High‑precision roundness and concentricity
Surface roughness tester
Ra/Rz surface profile parameters
Manual vision measurement
Fast non‑contact 2D profile comparison

🔎 Nondestructive Testing UT/MT

Ultrasonic flaw detector
Rapid localization of internal cracks and inclusions
AC electromagnetic yoke
Magnetic particle testing for surface/subsurface cracks

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