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Introduction to EN 1090
Introduction to EN 1090
EN1090 is the standard for steel structures under the building materials code CPR in the CE certification. The EU stipula... 【More】
Product inspection
Product inspection
Product inspection refers to the working process of using tools instruments or other analytical methods to check whether ... 【More】
Introduction to factory inspection
Introduction to factory inspection
Factory inspection is to audit or evaluate the factory according to certain standards. For the brand side factory inspect... 【More】
Introduction to EN 15085
Introduction to EN 15085
EN15085 is a set of welding certification system for rail vehicles and vehicle components which is widely popular in the ... 【More】
Introduction to CE
Introduction to CE
The CE mark is a safety certification mark which is regarded as the key for manufacturers to open and enter the EU market... 【More】
Introduction to ISO 3834
Introduction to ISO 3834
ISO3834 series standards describe the welding quality requirements that should be included in the welding quality assuran... 【More】
Salt Spray Test
Salt Spray Test
Corrosion is material or its performance occurs damage or deterioration under the action of environment. Most of the corr... 【More】
Nondestructive testing
Nondestructive testing
ondestructive testing is an essentiale and effective tool for industrial development. Nondestructive testing is inspecing... 【More】
Micro elements of qualitative analysis
Micro elements of qualitative analysis
Micro area composition analysis is a technology that refers to the sample surface, which affects about 1 micron area comp... 【More】
Coating thickness test
Coating thickness test
Detect the thickness of metal or oxide coating on the surface of the material. Detection methods are: Metallographic meth... 【More】
Intergranular corrosion test
Intergranular corrosion test
Intergranular corrosion is mainly due to the difference of chemical composition between the grain surface and internal, a... 【More】
Metallographic analysis
Metallographic analysis
Metal material microstructure analysis: microstructure analysis of all kinds of metal materials, grain size assessment, n... 【More】
Mechanical test
Mechanical test
Tensile, impact, bending, compression, shear test, brinell, rockwell, vickers hardness test, rupture, load, torque test o... 【More】
Chemical composition quantitative analysis
Chemical composition quantitative analysis
Chemical composition is a main factor in determining the performance and quality of metal material which can be analysise... 【More】
Welding procedure qualification
Welding procedure qualification
Welding procedure qualification is to prove the validity of welding procedure and evaluate the test results. Welding proc... 【More】
Fracture morphology analysis
Fracture morphology analysis
Fracture occurs when partial fracture developing to critical crack size and the residual interface is unable to bear exte... 【More】
CMA qualification of inspection and testing institutions
CMA qualification of inspection and testing institutions
... 【More】
CNAS approval of testing and calibration laboratory
CNAS approval of testing and calibration laboratory
... 【More】
CNAS approval of medical laboratory
CNAS approval of medical laboratory
... 【More】
Evaluation of measurement and construction standard
Evaluation of measurement and construction standard
... 【More】
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