Authorized inspection representative by the manufacturer, independent of manufacturing department and either the buyerвЂ™s authorized inspection representative or the inspector designated by the official regulations. Type 3.2, Statement of compliance with the order, with indication of results of specific inspection.

Authorized inspection representative by the manufacturer, but is independent of the manufacturing department. Type 3.1, Statement of compliance with the order, with indication of results of specific inspection. Type 2.2, Statement of compliance with the order, with indication of results of non specific inspection. Type 2.1, The content is statement of compliance with the order. Type 3.1 and 3.2 are not only validated by manufacturer. Type 2.1 and 2.2 are validated by the manufacturer. Differences between EN 10204-3.1 and 3.2 for the MTCД®N 10204 contains 4 types of document type, 2.1, 2.2, 3.1 and 3.2. For certifying the results of the specific test is complied with clientвЂ™s order. So the certificate standard for the MTC is generated, EN 10204 is European standard for the inspection documents for the steel products including steel line pipe, fittings, steel plate, valves, sucker rods etc.

These information is to make sure the quality of ordered steel products, tells the buyer what situations could be applied in engineering purposes. Including dimensions, sizes, weight, chemical composition, mechanical strength, heat treatment status, test result, traceability etc. MTC is Mill Test Certificate, it contains all the specification of the steel pipe products. When we purchasing steel products like seamless pipe, pipe fittings, sucker rod or steel plates, manufacturer should release the MTC to the buyer. There are 4 types for EN 102024, 2.1, 2.2, 3.1 and 3.2, the later two types are the mostly used in steel pipe and plates products, so here we will mainly introduce the major differences between two types. BS EN 10204:2004 is British Standard that related to different types of inspection documents for steel metal products.

En 10204 2 1