GB/T 39816-2021Master alloy electrode for titanium and titanium alloy casting (English PDF)

4.1 Raw materials and preparation methods

6.1 Inspection and acceptance

6.1.1 The product shall be inspected by the supplier or a third party, to ensure that the product quality meets the requirements of this document and the requirements of the purchase order.

6.1.2 The buyer can inspect the received products in accordance with the provisions of this document. If the inspection result does not conform to the provisions of this document or the purchase order, it shall be submitted to the supplier in written form, and the supplier and the buyer shall negotiate and resolve. Objections of dimensions and appearance quality shall be filed within one month from the date of receipt of the product; objections of other performances shall be filed within three months from the date of receipt of the product. If arbitration is required, it shall be determined by both the supplier and the buyer in the buyer's joint sampling or negotiation.

6.2 Batch

Master alloy electrodes shall be submitted for acceptance in batches; each batch shall be composed of master alloy electrodes of the same designation, specification, preparation method, state and continuous production not exceeding 20 smelting furnaces.

6.3 Inspection items and sampling rules

The inspection items, sampling position and quantity of the master alloy electrode shall meet the requirements of Table 2.

7.2 Packaging, transportation, storage

7.2.1 The master alloy electrodes shall be packed in a wooden box or wooden bracket, and fixed firmly; loading, unloading, and transportation shall be handled gently.

7.2.2 Master alloy electrodes shall be stored in a dry indoor environment, and shall not be mixed with acid or alkaline media.

7.3 Accompanying documents

Each batch of products shall be accompanied by accompanying documents, which shall include supplier information, product information, standard number of this document, date of manufacture or packaging date, and should also include:

a) Product quality guarantee:

- Main performance and technical parameters of the product;

- Product features (including the features of manufacturing process and raw materials);

- Responsibility for product quality;

- Quality certification obtained by the product and various analysis and inspection results checked and printed by the technical supervision department of the supplier.

b) Product certification;

- Inspection items and their results or inspection conclusions;

- Batch or batch number;

- Inspection date;

- Inspector's signature or seal.

c) Inspection report and finished product inspection report during product quality control.

d) Product instructions: correct handling, use, and storage methods. e) Others.