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        亚洲中文字幕无线,久久久人妻,国产成人精品一区二区无,亚洲自拍偷拍福利小视频,白人久久,又粗又猛又黄又爽无遮挡,毛片24种姿势无遮无拦,а天堂中文最新一区二区三区
        Hotline:400-880-1556

        English




        basic introduction

        Our services mainly involve the mechanical properties of ferrous metals, non-ferrous metals, mechanical equipment and parts. Tests and tests involving chemical composition analysis, metallographic analysis, hardness, corrosion performance, coating performance, microscopic analysis, fastener performance, pipe process performance, welding process evaluation and skill evaluation.

        ZRLK provides a series of tests to identify and inspect the material performance, process performance and safety performance of metal materials products.

        For products

        Metal raw materials such as plates, bars, profiles, forgings, castings and all metal parts and related.

        Project capabilities

        Mechanical properties

        Tensile, impact, bending, fatigue,   compression, shear, cupping, breaking, peeling, welding test, non-standard   mechanics

        Chemical composition analysis

        Iron and steel, non-ferrous metals   (OES/ICP/X-Ray/wet titration/spectral analysis/gas element/spectrophotometry)

        Metallographic analysis

        Microstructure, grain size,   non-metallic inclusions, phase composition content, fracture streamline,   macro inspection, hardened layer / carburized nitriding layer depth, weld   metallography

        Hardness

        Rockwell, Brinell, Vickers, micro   hardness, Knoop, Leeb, nano hardness, etc.

        Corrosion performance

        Intergranular corrosion, stress   corrosion, salt spray corrosion, pitting corrosion

        Coating performance

        Coating quality, adhesion, coating   thickness, corrosion resistance

        Microscopic analysis

        Fracture analysis, foreign body   analysis, micro-morphology, etc.

        Fastener performance

        Tension, load holding, wedge load,   torque, anti-slip, etc.

        Pipe process performance

        Flaring, flattening, curling,   static load pressure, etc.

        Welder

        Welding procedure qualification,   welder skill assessment, welding procedure specification

        Standards involved

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        Our advantage

        1. With a professional qualification and experienced expert technical team, we can provide you with professional consultation and services.

        2. Have advanced laboratory equipment to ensure the accuracy and reliability of test data.

        3. As a third-party testing and certification organization trusted by customers worldwide, we are your certificate of quality.


        Online consultation

        Online consultation

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        Metal material testing

        Our services mainly involve the mechanical properties of ferrous metals, non-ferrous metals, mechanical equipment and parts. Tests and tests involving chemical composition analysis, metallographic analysis, hardness, corrosion performance, coating performance, microscopic analysis, fastener performance, pipe process performance, welding process evaluation and skill evaluation.

        Get a quote
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