What is MTC for Steel?

1. Definition

In steel industry, MTC means mill’s test certificate. Some mills also call it as MTR, that is, mill’s test report.

2. Mill test certificate contents

One MTC must contains the following information: steel mill’s name, heat number, batch number, final test result, steel pipe dimension (steel pipe diameter, wall thickness, length), quantity, steel grade, standard/specification, chemical analysis composition results, mechanical test properties results. If applicable, there also should be hydro test result,UT result, hardness test result, CVN impact results, metal graphic result etc.

3. MTC for Steel Format

Usually mill will issue a table as the format of MTC of steel pipe or steel plate, to filled with enough test results. Few companies will issue a report format as MTC for steel pipes.

4. Types of MTC in steel industry

There are mainly two types of MTC in steel industry, as for steel plates or steel pipes, there must be specific inspection scope or lists:

    MTC  EN 10204 3.1

MTC 3.1 is issued by the manufacturer in which he declares that the products supplied are in compliance with the requirements of the order and in which he supplies test results. This is the most common MTC in steel industry, when there is no extra requirement of customer for TPI inspection and witness of production and inspection of tests.

    MTC  EN 10204 3.2

MTC 3.2 refers to the report prepared by both the manufacturer’s authorized inspection representative, independent of the manufacturing department and either the purchaser’s authorized inspection representative or the inspector designated by the official regulations and in which they declare that the products supplied are in compliance with the requirements of the order and in which test results are supplied.