中文字幕日韩在线观看,久久久人人玩人妻精品综合,国产欧美日本在线,久久精品免费视频6,欧美精品黄色网站,色综合久久久久无码专区,亚洲区欧美中文字幕久久,国产手机在线视频,国产中文字幕视频在线观看,日本一区二区免费在线观看

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
精品欧美一区二区三区久久久| 亚洲人成人网站在线观看| 视频一区中文字幕| 久久国产色av免费看| 亚洲精品乱码久久久久久久久久久久 | 色综合久久久无码中文字幕| 国语对白嫖老妇胖老太| 亚洲日韩国产欧美一区二区三区| 亚洲中文久久精品无码1| 国产精品美女久久久久久久久| 公和我在野外做好爽爱爱小说雨婷| 成 人 黄 色 网 站 在线播放视频| 无码专区久久综合久中文字幕 | 免费的三片播放器| 人妻少妇征服沉沦| 欧美人与zozoxxxx另类 | 亚洲无线码一区二区三区| 人人爽人人爽人人爽| 亚洲色av性色在线观无码| 亚洲成av人片无码天堂下载| 精品无码国产日韩制服丝袜| 国产69成人精品视频免费| 无码视频一区二区三区在线观看| AV狠狠色丁香婷婷综合久久| 在线精品一区二区三区| 宅男66LU国产在线观看| 亚洲精品国产精品乱码不卞2021 | 蜜臀av在线播放一区二区三区| 999在线视频精品免费播放观看| 法国白嫩大屁股xxxx| 亚洲国产精品久久久久爰色欲| 香蕉久久一区二区不卡无毒影院| 国产精品久久久久久亚洲影视| 在线日本中文字幕| 亚洲综合网站| 久久综合影视| 污污内射久久一区二区欧美日韩| 亚洲毛片AV日韩AV无码| 久久久久亚洲AV成人片乱码| 亚洲AV成人一区二区三区天堂| 麻豆AV一区二区三区|