日韩欧洲精品无码AV,99国产午夜精品一区二区天美,精品久久免费一区二区三区四区,久久综合图区亚洲综合图区,久久久久亚洲AV免费观看,精子网久久国产精品,亚洲AⅤ无码一区二区二三区性色,亚洲精品国产电影,亚洲资源在线观看,婷婷五月丁香在线

  • 
    
  • <ul id="yy6ca"></ul>
  • <del id="yy6ca"></del>
    <ul id="yy6ca"></ul>
    <strike id="yy6ca"><menu id="yy6ca"></menu></strike>
    Hotline:400-880-1556

    English




    Composition analysis of ferrous metals and their alloys

    Free cutting steel, weathering steel, nitrided steel, age hardening steel, low alloy high strength steel and hot work steel; various cast irons such as gray cast iron, ductile iron and alloy cast iron; chromium-based alloy, manganese-based alloy and High temperature alloy and other various alloy materials.

    Composition analysis of non-ferrous metals and their alloys

    Ductile iron and alloy cast iron and other cast irons; chromium-based alloys, manganese-based alloys and high-temperature alloys and other various alloy materials.

    Metallographic analysis

    Non-metallic inclusions

    Grain size

    Coating thickness

    Decarburized layer

    Low magnification

    Fracture inspection

    Hardened layer depth

    Metallographic section analysis

     

    Mirror analysis

    Coating thickness

    Metallographic method

    X-ray fluorescence

    Surface stain analysis

    Coulomb method

    Eddy current method

    Coating composition analysis

    Analysis of surface hardness and adhesion

     

    Abrasion test

    Stainless steel 10% oxalic acid   corrosion test

    Stainless steel 65% nitric acid   corrosion test

    Neutral salt spray test

    Copper ion accelerated salt spray

    Stainless steel sulfuric acid-ferric   sulfate corrosion test

    Stainless steel nitric   acid-hydrofluoric acid corrosion test

    Acid salt spray test

    Sulfur dioxide corrosion test

    Stainless steel 5% sulfuric acid   corrosion test

    Stainless steel sulfuric acid-sulfuric   acid cave corrosion test

    Hydrogen sulfide corrosion test


     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

    Recommend
    • BSCI certification

      BSCI certification

      BSCI certification is an abbreviation of BusinessSocialComplianceInitiative, and Chinese is called business social standard certification. BSCI is an organization that advocates the business community to abide by social responsibility. At the same time, it is a non-profit organization.

    • Enterprise CMA certification

      Enterprise CMA certification

      CMA, the name is \"China Metrology Accreditation\", the abbreviation of \"China Metrology Accreditation\" in English. According to the provisions of Article 22 of the Metrology Law of the People’s Republic of China: “The product quality inspection agency that provides notarized data to the society must be evaluated by the metrological administrative department of the people’s government at or above the provincial level for the capability and reliability of metrological verification and testing. Qualified.\"

    • CNAS certification

      CNAS certification

      Laboratory accreditation is a third-party certification that CNAS has the ability to perform specific testing and calibration work for testing and calibration laboratories.

    Automotive metal material testing

    Free cutting steel, weathering steel, nitrided steel, age hardening steel, low alloy high strength steel and hot work steel; various cast irons such as gray cast iron, ductile iron and alloy cast iron; chromium-based alloy, manganese-based alloy and High temperature alloy and other various alloy materials.

    Get a quote
    国产香蕉一区二区三区在线视频| 亚洲AV成人一区二区三区天堂| 国产青草视频在线观看| 成人免费视频在线观看| 国产免费一区二区三区在线观看 | 亚洲区小说区图片区qvod| 激情无码人妻又粗又大| 亚洲精品夜夜夜妓女网| 国产精品一国产精品| 国产卡一卡二卡三| 99精品欧美一区二区三区| 精品国产一区二区三区香蕉| 国产美女裸体无遮挡免费视频| 久久综合狠狠色综合伊人| 蜜臀视频在线一区二区三区| 91丨九色丨蝌蚪丨老版| 亚洲国产成人91成人版| 人妻丰满熟妇AV无码区免| 亚洲一区二区精品推荐| 欧美色综合天天在线影院| 人妻丰满熟妞av无码区| 国产精品久久福利网站| 久久er这里只有精品| 欧美成人一区二区三区在线观看| 精品一卡2卡三卡4卡乱码理论国产| 色8激情欧美成人久久综合电| 色窝窝免费一区二区三区| 欧美日韓性视頻在線| 国产麻豆成人传媒免费观看| 黄页网址大全免费观看| 国产精品办公室沙发| 日韩人妻精品一区二区三区视频| 乌克兰少妇xxxx做受| 精品人妻av区| 亚洲 欧美 综合 另类 中字| 亚洲av无码男人的天堂| 国产91专区| 精品国产一区二区二三区在线观看 | 毛片一区二区三区提莫影院| 波多野结衣亚洲中文字幕手机在线| 黄色成人免费观看|