AUTOMOTIVE / TRANSPORTATION TESTING

WHEN CONSISTENT QUALITY IS A MUST

Zhejiang Guojian Testing Technology Co., Ltd (CCT) is dedicated to assisting manufacturers in the automotive and transportation industries to provide their customers with high-quality and dependable vehicles. Our comprehensive range of automotive testing services, cutting-edge equipment, and seasoned experts ensure that your company is using accurate measuring tools and quality materials.

With over 20 years of experience in metals testing and calibration services, Zhejiang Guojian Testing Technology Co., Ltd (CCT) is your one-stop shop for timely turnaround, convenience, and expertise. Our rigorous quality system guarantees accurate inspection and testing results that you can depend on.

Speak with our chemists, engineers, and technicians to obtain answers to your questions about material properties, durability, and performance. Zhejiang Guojian Testing Technology Co., Ltd (CCT) can also examine failed metal components to help you address any production or material issues.

Our precision test specimens are prepared on-site for all automotive testing lab services performed at Zhejiang Guojian Testing Technology Co., Ltd (CCT) . We can also manufacture specimens according to your specifications for your own in-house testing.

Make sure your measuring equipment, such as gauges, masters, surface plates, furnaces, and other tools, are functioning correctly and providing reliable measurements. Our full-service metrology lab offers calibration services in a climate-controlled environment, ensuring accurate results you can trust.

MEETING QUALITY REQUIREMENTS

Zhejiang Guojian Testing Technology Co., Ltd (CCT) specializes in testing metals, ferroalloys, and analyzing powdered metals, and is accredited by ISO/IEC 17025 for materials testing, calibration, and dimensional inspection services. Our services include providing a detailed Test Report or Certificate of Calibration, which includes information about the services we have performed and the results obtained.

ONE-STOP TESTING & CALIBRATION

At Zhejiang Guojian Testing Technology Co., Ltd (CCT) , we offer a comprehensive range of metal testing services for the transportation industry, all performed in one convenient location to ensure the quickest turnaround times. From materials testing and calibration to failure analysis and dimensional inspection, we have the expertise and state-of-the-art equipment to deliver accurate and reliable results for your metal components. Our one-stop facility provides you with the convenience of having all your testing needs met in a single location, saving you time and streamlining your operations.

CHEMICAL ANALYSIS

· Spectroscopy (ICP-AES, ICP-MS, AES)

· SEM / EDS

· Positive Material Identification (PMI)

· Fourier Transform Infrared Spectroscopy (FTIR)

· Wet Chemistry

CORROSION TESTING

· Salt Spray / Salt Fog

· Humidity Testing

· Passivation Testing

· Temperature Testing

· ASTM A262 Practice A, B, C, D, E

· ASTM G28 Methods A & B

· ASTM G48 Methods A & B

· ASTM A923 Method C

MECHANICAL TESTING

· Tensile Testing

· Elevated Temperature

· Charpy Impact Testing

· Hardness Testing

· Bend Testing

· Stress Rupture

· Creep Testing

· Hydrogen Embrittlement

· Weld Testing

· Fastener Testing

FATIGUE AND FRACTURE TESTING

· Fracture Toughness Testing

· Fatigue Crack Growth Testing

· High-cycle and Low-cycle Fatigue Testing

METALLURGICAL ANALYSIS

· Microstructure

· Carburization / Decarburization

· Grain Size (ASTM E-112)

· Inclusion Rating (ASTM E-45)

· Plating Thickness

· Carbide Precipitation

· Ferrite by Point Count (ASTM E-562)

· Intergranular Attack / Oxidation

· Intergranular Corrosion (ASTM A-262)

· Sensitization

· Surface Contamination

· Nodularity / Nodule Count

· Eutectic Melting

· Macro-etch (ASTM E-340)

· Grain Flow

· Surface Condition

· Surface Finish

· Case Depth

· Microhardness (Knoop & Vickers)