Ding Testing & Inspection

Physical and Chemical Testing

Physicochemical testing is a scientific process that involves a series of physical and chemical testing methods to analyze and evaluate the performance of materials or products. Ding Testing & Inspection's physicochemical testing provides precise material performance analysis and chemical composition identification to ensure product quality and safety.

Read：50+ Date：2025-02-08 17:33:15 Author: DTI

Ding Testing & Inspection: Physicochemical Testing and Analysis, Ensuring the Precision and Reliability of Material Performance

Service Introduction

Physicochemical testing, also known as physical and chemical performance testing, mainly refers to the changes in the internal composition, structure, and performance of materials caused by reactions when materials are subjected to changes in external conditions or come into contact with certain corrosive media, as well as changes in the physical and chemical properties of materials. The service content includes comprehensive testing and analysis services in the fields of inorganic analysis, organic analysis, polymers, composites, rubber and plastic products, electronic and electrical products, textiles, food contact materials, building materials, etc.

Chemical Composition

Detection Items	Standards	Detection Cycle	Notes
C、S	GB/T 20123	3～4working days	C, S Analyzer
Fe、C、Si、Mn、P、S、Cr、Ni、 Mo、Al、Ti、B、Nb、As、Sn、 Co、Pb、Sb、Bi、Ca、Zn、Cu、V、Alt	GB/T 4336 、 ASTM E415 、 GB/T 11170 、 ASTM E1086 、 ASTM A751	2～3working days	Direct Reading Spectrometer
Si、Mn、P、C、S、Ni、Cr、Cu、Mg、 Ca、Fe、Ti、Zn、Pb、Sb、Cd、Bi、 As、 Na、K、Al、Ag	/	2～3working days	Titration Method

Mechanical Properties

Detection Items	Standards	Detection Cycle
Room Temperature Tensile	GB/T 228.1、 GB/T 2651、 ISO 6892-1 、 ASTM A370、 ASTM E8/E8M 、ISO 4136、GB/T 2652、ISO 5178	3～4working days
Room Temperature Impact	GB/T 229、 GB/T 2650、ISO 148-1 、 ASTM A370、 ASTM E23	3～4working days
Low-Temperature Impact (0℃ to -196℃)	GB/T 229、 GB/T 2650、ISO 148-1 、 ASTM A370、 ASTM E23	3～4working days
Brinell Hardness	GB/T 231.1、 ISO 6506-1、 ASTM E10	2～3working days
Rockwell Hardness	GB/T 230.1、 ISO 6508-1、 ASTM E18	2～3working days
Vickers Hardness	GB/T 4340.1、 ISO 6507-1、 ASTM E384 、GB/T 2654、 ISO 9015-1、ASTM E92	2～3working days
Flattening	GB/T 246、 ISO 8492 、ASTM A370	2～3working days
Flattening	GB/T 232 、GB/T 2653、 YB/T 5349 、ISO 7438 、ASTM E290 、 ASTM A370 、GB/T 244、ISO 5173	2～3working days
Flattening	GB/T 6396、 ASTM A264、 ASTM A265、 CJ/T 192	3～4working days
Flattening	GB/T 244	2～3working days
Drop Weight Test	GB/T 6803 、SY/T 6476	3～4working days
Fatigue Testing	GB/T 15248	Calculated by fatigue cycles and frequency
Composite Steel Plate Bonding Strength	CJ/T 192、SY/T 6855	3～4working days
Notched Bar Test	GB/T 31032、SY/T 0452	3～4working days

Metallographic Analysis

Detection Items	Standards	Detection Cycle
Metal Material Structure	GB/T 13298、 GB/T 13299	3～4working days
Macrostructure	GB/T 226、 GB/T 1979 、ASTM E381	2～3working days
Band Structure	ASTM E1268	3～4working days
Harmful Intermetallic Phases	ASTM A923	5～6working days
Grain Size	GB/T 6394、 ISO 643 、ASTM E112	3～4working days
Non-Metallic Inclusions	GB/T 10561 、ASTM E 45 、ISO 4967	3～4working days
Decarburization Layer	GB/T 224、ISO 3887	3～4working days
Nitriding Layer	GB/T 11354	3～4working days
Carburizing Layer	GB/T 5617、GB/T 9450、GB/T 9451、ISO 18203	3～4working days
Ferrite/Austenite Content Determination	ASTM E562	3～4working days
Fracture Examination	GB 1814	3～4working days
Stainless Steel α-Phase Inspection	GB/T 13305	3～4working days

Industry Pain Points

Rapidly changing technologies and product innovations require continuous updates to testing methods.
Strict regulations and standards demand that laboratories adapt to compliance requirements in different global markets.
High-throughput testing needs require efficient and automated testing processes to shorten product time-to-market.
Data management and analysis require effective systems to handle and analyze large amounts of testing data.

Service Scope

Ding Testing & Inspection's service scope is extensive, covering physicochemical testing, including but not limited to:

Plastics and plastic products
Rubber products
Textiles
Environmental hazardous substances
Pesticides and fertilizers
Food contact materials
Building materials

Application Fields

Physicochemical testing services are widely used in the following industries:

Scientific research
Industrial production
Environmental monitoring

Physicochemical testing is widely used in scientific research, industrial production, and environmental monitoring. In scientific research, physicochemical testing is an important part of experimental work; in industrial production, it is used for quality control of raw materials; in environmental monitoring, it is used to assess environmental pollutants.

Why Choose Ding Testing & Inspection?

Comprehensive Service Range: DTI provides one-stop services, including inspection, testing and analysis, R&D and scientific research, quality appraisal, technical consultation, supervision, training, laboratory construction and operation, and maintenance services.
Professional Technical Team: Operated by experienced professionals to ensure the accuracy and reliability of test results.
Authoritative Certification: DTI holds authoritative domestic and international certifications such as CMA and CNAS, and can provide authoritative reports in accordance with national and industry standards.
Accurate Data Assurance: With a professional technical testing team, advanced equipment, extensive databases, and strict laboratory quality control, DTI ensures that the overall accuracy rate of reliable analytical data reaches 99%.

Choose Ding Testing & Inspection, choose to walk alongside high-quality testing technology, choose to be with trustworthy data and reports, and choose to be recognized by well-known industry clients!

Contact Us

Contact us immediately to let our professional team provide expert-level solutions for your physicochemical testing. Whether it is technical consultation or on-site testing, we will provide the best service experience.

About Ding Testing & Inspection

Ding Testing & Inspection was founded by senior industry professionals and strictly follows international standards such as ISO/ASTM/ASME/JIS/GB/EN/API to conduct testing, experimentation, appraisal, and assessment work. It also has a world-class corrosion laboratory and has gained recognition from many top international and domestic industry clients. In the fields of corrosion, material failure analysis, and inspection and testing of energy materials, we have a good reputation and client recognition.

Get Your Free Testing Plans and Quotation

Ask professional engineers for on-line service, and receive testing proposals within 2 hours.

Six Reasons to choose DTI

Complete qualifications

Complete range of qualification certificates

DTI has CMA, CNAS and other qualifications, including China's domestic and global relatively comprehensive leading qualifications at metal materials and corrosion test field. We can provide authoritative reports of national standard and industrial standard.

Viewing Certificates

Professional team

70% professional and technical personnel

DTI has a professional testing team, with 70% of professional technicians and 70% of undergraduate degree or above. From drafting proposals to sample analysis issuance, we are professional at each step to ensure the precision.

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Advanced Equipment

400 units with a 92% import ratio

DTI has invested affluent budgets onto 450 sets of advanced large and medium-sized testing equipment. 92% of the equipment are imported from U.S., Germany, Switzerland, installed at scores of labs cover an area of 8,000 m2 and services cover 1000+ segments.

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Accurate Data

The accuracy rate of the inspection reaches 99%

our professional technical testing team, advanced equipment, large number of databases, and solid implementation of lab quality control, DTI guarantees the overall accuracy rate of the reliable analysis data up to 99%.

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Comprehensive Service

One-stop tracking service

DTI services cover the whole industries and provides the optimal solutions and technical support in terms of cycle time,cost-saving and qualifications based on numerous indicators, E2E supply chain solutions, all-round multi-dimensional product analysis.

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Customer Service

Regular return visits can be re-examined

DTI 24h*7 service (China) is available so that you could reach us anytime, anywhere. We also have an Emergency Service Access in case of special circumstance. DTI visits their customers regularly, and the questionable items in issued reports can be redone free of charge.

Online Service

Only Four Steps to Get Your Reports

Test Enquiry

Contact us for testing requirements and solutions by call, IM tools or email.
Sample Delivery

Send samples to DTI or contact us for on-site sampling; fill in application forms and pay test charges.
Lab Testing

Verify the received samples by both parties; confirm testing proposals; conduct testing, review, and confirm the test results.
Reports Issuance

The encrypted copy of reports will be sent to the applicants by email while the testing is finished and issued by DTI.
After-Testing Service

Confirm the reports data, exchange comments if in doubt; and update report or redo the testing.

Issues You May Care About

How much is the cost for testing? What items to be tested? How many samples to be needed? How long is the report expiry period?

One-Stop Solutions Recommended

LEARN ABOUT DING TESTING & INSPECTION

DTI has served thousands of entities, including numbers of Fortune Global 500 enterprises. DTI always conveys trustfulness to the quality life ubiquitously.

About DTI

Honor & Qualification

Lab

Instruments and Equipment

DTI is devotional on providing services for metal comprehensive testing. Among the testing services, DTI has more advantage at implementation of various corrosion resistance tests for different type of materials. The range of testing capability includes the analysis of metal composition and metal metallographic, mechanical performance and metal corrosion resistance testing, failure analysis, R & D analysis, and product quality assessment etc.

DTI has been awarded the conformity of assessment from ISO/IEC17025, ISO9001, GB/T28001/OHSAS18001, GB/T14001/ISO14001, CNAS and CMA Certification.

30
Industrial Fields
200Nos.
Large Equipment
3000㎡
Lab Area Size
1000Nos.
Customers Served

To be an influential, authoritative, third-party testing organization in China.

We provide professional inspection, testing, analysis for upstream and downstream supply chain of various industries, which covers industrial manufacturing, chemicals, offshore engineering, oil & gas, wind power, hydrogen energy, nuclear power, automotive structures, metals and minerals, equipment manufacturing, construction machinery, aerospace, etc.

We are committed to providing impartial, fair, accurate, and timely professional testing services nearly 20 provinces in China.

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Honor & Qualification 1

Honor & Qualification 2

Honor & Qualification 3

Honor & Qualification 4

Honor & Qualification 5

Honor & Qualification 6

laboratory

Instruments and Equipment

Legal Notices

1、Website Usage

This website is owned, managed, and maintained by Jiangsu Tianding Testing Technology Co., Ltd. (hereinafter referred to as "Tianding Testing"). Before using this website, please read the following terms carefully. Using this website indicates that you have understood and accepted these terms. If you do not accept these terms, please stop using this website. Tianding Testing reserves the right to take legal and fair remedial actions for any violations of these rules.

2、Copyright Statement

All materials or content on this website are protected by copyright law, and all copyrights are owned by Tianding Testing, except for content that is indicated as being cited from other parties. Without the permission of Tianding Testing or other parties, no one may copy, publicly display, publish, or distribute any content from this website in any way for any public or commercial purpose. However, downloading or printing for non-commercial, personal use is allowed, provided that the materials are not modified and the copyright notice or other ownership notices in the materials are retained.

3、Information Release

he materials and information published on Tianding Testing's website, including but not limited to text, images, suggestions, links, etc., although reviewed to the best of Tianding Testing's ability, do not guarantee the accuracy, reliability, timeliness, or completeness of these materials and content, and Tianding Testing expressly disclaims any responsibility for errors or omissions in these materials and content, and does not make any express or implied warranties, including but not limited to warranties of ownership, non-infringement of third-party rights, quality, and freedom from computer viruses. Tianding Testing may modify the content on this website at any time without any notice or prompt, and to obtain the latest version of the information, please visit the website regularly, but Tianding Testing does not promise to update this content in a timely manner.

4、Trademarks

Trademarks, service marks, and logos (collectively referred to as "Trademarks") used and displayed on Tianding Testing's website and related linked websites are registered and unregistered trademarks of Tianding Testing and other rights holders. Your use or access to any content on such websites does not imply any right to use the trademarks. Without prior written permission, you may not use Tianding Testing's trademarks in any way.

5、Personal Information Protection

We respect the privacy of our users and do not collect user information without their consent. For personal information provided voluntarily through registration or subscription for electronic information, such as name, gender, type and number of identification documents, email information, telephone, contact address and postal code, services or preferences desired, customer code, and other similar personal information, it means that you have understood and accepted the use of your personal information and agree to Tianding Testing using your personal information for the specific purpose. Tianding Testing promises not to sell your personal information at any time or under any circumstances and will only use the information obtained according to these terms within the scope allowed by law. However, Tianding Testing may provide your personal information according to legal requirements or requests from government departments; or when Tianding Testing has reason to believe it is necessary to do so to protect Tianding Testing, customers, or the public, it may also disclose certain personal information within an appropriate scope, and you should have anticipated and agreed to this when providing your personal information.

6、Third-Party Websites

Links to third-party websites on this site are provided as a convenience service to you. If you use these links, you will leave this site. Tianding Testing does not control these websites and their content and is not responsible for them. If you decide to visit any third-party websites linked to this site, any results and risks that may arise are entirely at your own discretion.

7、International Users

Due to the international or borderless nature of the Internet, the information provided through this website is also international, so not all products or services mentioned on this website may be available in your country or region. Tianding Testing does not guarantee that the information on this website is applicable or available for use outside of China, and you may not access this information from areas where the content is considered illegal. You may not use the website or export information in violation of Chinese export regulations. If you access the website from outside of China, you are responsible for complying with all local laws. These terms and conditions are governed by the laws of China and are not in conflict with its legal provisions.

8、Changes

Tianding Testing may modify these terms at any time, and you should visit this page regularly to understand the current terms. Some provisions of these terms may also be replaced by specific legal notices or terms clearly designated on certain pages of this site. Tianding Testing may terminate, change, suspend, or discontinue any aspect of the website at any time, including the availability of any features of the website. Tianding Testing may also limit or restrict your access to certain features and services without prior notice and without liability, and may terminate the above authorization, rights, and licenses, and you should immediately destroy all materials upon such termination.

9、 Governing Law

Disputes arising from this announcement or the use of this website are governed by the laws of the People's Republic of China.

10、Dispute Resolution

Disputes arising from this announcement or the use of this website should be resolved through negotiation. If negotiation fails, they shall be resolved by litigation in the relevant People's Court.

11、Interpretation Rights

The right to interpret this announcement and the use of this website is vested in Tianding Testing.

Disclaimer

Disclaimer：

The test results are only responsible for the tested samples and only reflect the evaluation of the tested samples. The test results are intended for scientific research, data analysis, performance evaluation, and quality analysis only. Our company assumes no economic or legal responsibility for the use of the test results, any direct or indirect losses arising from such use, and all legal consequences.
Any partial copying, unauthorized transfer, forgery, misrepresentation, alteration, or other forms of tampering with the test report are invalid, and our company will pursue legal responsibility for the above actions.
Unless required by relevant government departments, law, or the court, our company is not obliged and has no obligation to testify in court regarding the relevant results without our written consent. If the test results are improperly used, our company reserves the right to withdraw the test results and to demand other appropriate additional compensation.
If the test results need to be used in court proceedings or arbitration, the customer must inform our company of this intention before submitting the test samples. Failure to inform our company, resulting in any loss or dispute, our company will not be responsible and has the right to demand other appropriate additional compensation.
The client is responsible for the representativeness of the samples and the authenticity of the information and data provided by the samples. Our company assumes no related responsibilities.
Our company may delegate all or part of the services to agents or subcontractors. The customer authorizes our company to disclose relevant customer information to agents or subcontractors in order to better complete the services.
If the service cannot be completed or other losses are caused by the customer's own error, negligence, or breach of contract, our company will not assume any responsibility and has the right to demand appropriate additional compensation.

Disclaimer：

This website is the company's business website. The items listed on the website pages are only within the scope of the company's business, not the scope of qualifications. If you need to confirm whether the test items can issue qualified reports, please contact customer service for consultation.
Some of the over-inspection items displayed on the website are outsourced and subcontracted to qualified partners with the consent of the customer.

Privacy Protection

Jiangsu Tian Ding Testing Technology Co., Ltd. We respects your privacy and is committed to protecting it through adherence to this policy. We do not collect user information without the user's consent. For the name, email information, phone, contact address, service or preference information, customer code, and other similar personal information provided voluntarily through registration or subscription to electronic information, it indicates that you have understood and accepted the use of your personal information and agree to Tian Ding Testing's use of your personal information for the specific purpose.

Tian Ding Testing promises never to sell your personal information at any time or under any circumstances, and Tian Ding Testing will only use the information obtained according to the terms within the scope allowed by law. However, Tian Ding Testing may provide your personal information as required by law, government departments; or when Tian Ding Testing has reason to believe it is necessary to do so to protect Tian Ding Testing, customers, or the public, also disclosing certain personal information within the appropriate scope. This policy describes the types of information we may collect from you (phone, email, name, address), or the types of information you may provide when visiting the website www.tdtia.com.cn, including sections such as "Customer Cases" contained in the website, and you should have anticipated and agreed to this when providing personal information.

Minors and Children Under 18

Our website is not intended for children under 18 years of age. No one under the age of 18 should provide any information to the website or on the website. We do not intentionally collect personal information from children under 18. If you are under 18, do not use or provide any information on this website or through any of its features, register on the website, or provide any information about yourself, including your name, address, phone number, email address, or any name or username you may use. If we learn that we have collected or received personal information from children under 18 without parental consent, we will delete that information. If you believe we may have information related to children under 18, please contact us.

How We Use Your Information

We use the information we collect about you or that you provide to us, including any personal information:

To display our website and its content to you.
To provide you with the information or services you have requested from us.
To assist us in contacting you when you submit an order for our services.
To personalize your experience. Your information helps us to better meet your individual needs.
To improve our website. We strive to continually improve our website based on the information and feedback we receive.
To improve customer service. Your information helps us to more quickly respond to your service requests and support needs.
To manage contests, promotions, surveys, or other website features that we occasionally conduct.
To send periodic emails regarding announcements about our company and services.
To fulfill any other purposes that you provide.
To perform our obligations and exercise any rights arising from any contracts entered into between us and you, including settlement and collection.
To inform you of changes to our website or any products or services we offer or provide. In any other way we may describe when you provide the information.
In any other way we may describe when you provide the information./li>
For any other purpose for which you have given your consent.

Disclosure of Your Information

We may disclose aggregated information about our users and non-identifying information without restriction.

We may disclose the personal information we collect or that you provide, as described in this privacy policy:

To our subsidiaries and affiliates.
To contractors, service providers, and other third parties we use to support our business and who are contractually obligated to keep personal information confidential and only use it for the purposes we disclose to them.
In the event of a merger, spin-off, reorganization, restructuring, dissolution, or sale or transfer of some or all of the company's assets, as part of the ongoing business or bankruptcy, liquidation, or similar proceedings, the personal information held by the company about our website users is among the assets transferred.
To fulfill the purposes you provided.
For any other purpose we disclosed when you provided the information.
With your consent.

We may also disclose your personal information:

To comply with any court orders, laws, or legal processes, including in response to any government or regulatory requests.
To enforce or apply our terms of use and other agreements, including for billing and collection purposes.
If we believe disclosure is necessary or appropriate to protect the rights, property, or safety of the company, our customers, or others.

Choices About How We Use and Disclose Your Information

We strive to provide you with choices regarding the personal information you provide to us. We have created mechanisms to provide you with control over your information:

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One-Stop Metal Material Testing Service

Physical and Chemical Testing

Ding Testing & Inspection: Physicochemical Testing and Analysis, Ensuring the Precision and Reliability of Material Performance

Service Introduction

Chemical Composition

Mechanical Properties

Metallographic Analysis

Industry Pain Points

Service Scope

Application Fields

Why Choose Ding Testing & Inspection?

Contact Us

About Ding Testing & Inspection

Get Your Free Testing Plans and Quotation

Ask professional engineers for on-line service, and receive testing proposals within 2 hours.

Six Reasons to choose DTI

Only Four Steps to Get Your Reports

Test Enquiry

Sample Delivery

Lab Testing

Reports Issuance

After-Testing Service

Issues You May Care About

What is the difference between DTI and other third-party services?

How long will it take for DTI to issue a report?

Are the reports authoritative? Can they be used for export abroad?

What testing standards are used for the assessment?

What should I do if I have doubts about the test report provided?

What would I do if I’m not sure what items to be tested?

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Special Equipment Product Testing Solutions

LEARN ABOUT DING TESTING & INSPECTION

To be an influential, authoritative, third-party testing organization in China.

Contact Us

Ask professional engineers for on-line service, and receive testing proposals within 2 hours.

Legal Notices

Disclaimer

Disclaimer：

Disclaimer：

Privacy Protection

Minors and Children Under 18

How We Use Your Information

Disclosure of Your Information

We may also disclose your personal information:

Choices About How We Use and Disclose Your Information

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