A titanium mill test certificate (MTC), also called a titanium mill test report or titanium material certificate, records key information about the supplied material, including its identification, grade, dimensions, chemical composition, mechanical properties, and inspection results.

Buyers and QA teams should check the MTC against the material received, purchase order, and applicable standard.

Key Points

Match the heat number on the MTC with the physical material or its identification label.
Check the grade, product form, dimensions, condition, and standard against the purchase order.
Compare the reported chemical composition and mechanical properties with the applicable requirements.
Check additional test and inspection results where required.
Review the MTC as a complete traceability document rather than as a set of separate test values.

Review a Titanium MTC Step by Step

Step 1: Check the Manufacturer and Material Identification

Start by confirming that the certificate can be traced to the material received.

Check the manufacturer or supplying mill, product description, certificate number, grade, batch number, and heat number.

In the HWHG example certificate, the document is a Product Quality Certificate for cold-rolled titanium strip, with TA1 listed as the grade.

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HWHG titanium product quality certificate showing TA1 grade, heat number, chemical composition and tensile test results

Batch numbers and heat numbers may represent different stages of traceability. The heat number links the material to its corresponding production and test records.

The heat number on the MTC should match the identification on the material, coil label, packaging, or related shipment documents.

If the heat number cannot be matched, the test results on the certificate cannot be reliably linked to that specific material.

For more detail, see our guide to Titanium Heat Numbers.

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Key fields to check on a titanium MTC including heat number, grade, standard, dimensions, chemistry and mechanical properties

Step 2: Match the Product Form, Dimensions, and Condition

Compare the product details on the certificate with the purchase order.

The example MTC includes fields for:

product form;
dimensions;
weight;
finish condition.

For titanium strip or coil, dimensions usually include thickness and width. These should match the ordered specification and the material received.

The example certificate lists the finish condition as M.

Check the listed condition against the purchase order or applicable standard.

Weight can also be checked against shipment or packing records where relevant.

Step 3: Verify the Grade and Applicable Standard

The example certificate lists:

Grade: TA1
Standard: GB/T 3622-2012

Both should match the purchase order or technical agreement.

The standard provides the basis for checking chemical composition, mechanical properties, dimensions, and other inspection requirements.

In this certificate, the material is identified as Cold-Rolled Titanium Strip in Finish Condition M. These details should be checked together with the grade and standard against the purchase order before reviewing the test results

If different standard editions or references appear on the certificate, clarify which one applies before accepting the documentation.

Step 4: Verify the Chemical Composition

The chemical composition section reports the measured elemental content of the material.

In the example certificate, the chemistry table includes:

Fe;
C;
N;
H;
O.

The certificate may show both specification limits and measured values.

Review each element as:

Specification limit → Measured result → Compliance

Step 5: Check the Mechanical Properties

The mechanical properties section records the tensile test results.

The example titanium MTC includes:

0.2% Yield Strength
Tensile Strength
Elongation

These values provide information about the material's strength and ductility.

Compare the reported results with the applicable requirements for the material ordered.

Step 6: Review Additional Test and Inspection Results

A titanium MTC may include additional inspection items depending on the product and specification.

The example certificate contains fields for:

bend test;
grain size;
hardness;
Erichsen value;
size tolerance;
surface quality.

Some results may be reported as measured values, while others may be shown as Qualified or by a surface-quality classification.

Not every field applies to every titanium product.

The buyer should check which tests are required by:

the applicable standard;
the purchase order;
any agreed technical specification.

A blank field only needs clarification if the corresponding test is required by the standard or purchase specification.

Step 7: Check the Certificate's Scope of Validity

A titanium MTC may include conditions that define which products the certificate covers.

In the HWHG example, the quality certificate applies only to the original, full-width coil in its as-delivered condition at the time of shipment from the manufacturer.

If the coil is subsequently slit, cut, or otherwise processed, the original certificate cannot be used to certify the quality of the processed products without written approval from Yangjiang Hongwang Industrial Co., Ltd.

Buyers should review these conditions, particularly when purchasing titanium materials through distributors or downstream processors.

How the Information on a Titanium MTC Should Match

The MTC should form a clear traceability chain:

Physical Material → Heat / Batch Number → Grade + Standard → Chemical Composition / Mechanical Results

Reviewing an MTC verifies the certificate and its reported results within the scope specified by the manufacturer. It does not replace any additional incoming inspection required by the purchase specification.

For buyers sourcing titanium materials, HWHG supplies titanium strip, sheet, plate, and coil with corresponding material certification and traceability records based on the applicable order requirements.

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HWHG titanium coil supplied with material certification and traceability records

Common MTC Issues to Check

Common issues to check include:

heat number on the certificate does not match the material;
grade differs from the purchase order;
dimensions do not match the ordered size;
standard or standard edition is inconsistent;
chemical composition exceeds the applicable limit;
mechanical properties do not meet the required values;
required inspection results are missing.

These issues do not necessarily mean the material is defective, but they should be resolved before the documentation is accepted.

How to Read a Titanium Mill Test Certificate

Titanium Heat Number Explained: How Material Traceability Works

Titanium Grade, Form, and Specification: What Affects a Quotation

Titanium Coil Suppliers: A Practical Guide to Choosing the Right Partner

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