GB/T 41875-2022Seamless thin-wall molybdenum tubes (English PDF)

4.1 Product classification

Products are divided into six categories according to chemical composition: MG-Mo, MG-MoLa, MG-MoCe, MG-MoY, MG-MoW, MG-MoRe.

7.1 Inspection and acceptance

7.1.1 The product shall be inspected by the supplier or a third party, to ensure that the product quality complies with the provisions of this document and the order form.

7.1.2 The purchaser can inspect the received products according to the provisions of this document. If the inspection results are inconsistent with the provisions of this document and the order form, it shall be submitted to the supplier in written form; the supplier and the purchaser shall negotiate to resolve it. Objections pertaining to appearance quality shall be raised within one month from the date of receipt of the product. Objections pertaining to other performances shall be raised within three months from the date of receipt of the product. If arbitration is required, it shall be determined by consultation or sampling made jointly by both parties at the purchaser place.

7.2 Lot grouping

Products shall be submitted for acceptance in lots. Each lot consists of products of the […]

8.1 Marking

8.1.1 Product marking

The following marks shall be printed on the products that have passed the inspection:

a) Category;

b) Status;

c) Specification; d) Lot number.

8.1.2 Package marking

Products shall be packed into boxes. Each box shall be marked with:

a) Supplier name and trademark;

b) Product name and category;

c) There shall be obvious "moisture-proof" signs or words on the packaging; d) Lot number.

8.2 Packaging, transportation, and storage

8.2.1 Packaging

Products shall be packaged piece by piece. The packaging materials shall be moisture-proof paper, oil-proof paper, foam paper, or other suitable materials. Place the packaged products in paper (wooden) boxes one by one; fix them with soft filling materials around them. If there are special requirements, the packaging method negotiated between the supplier and the purchaser can be used.

8.2.2 Transportation

When the product is transported, moisture or acidic-alkaline gases shall be prevented. Bumping is strictly prohibited.

8.2.3 Storage

The storage room shall be dry, ventilated, and free of acid and alkali. The storage period should not exceed two months.

8.3 Accompanying documents

Each lot of products shall be accompanied by accompanying documents. In addition to supplier information, product information, number of this document, exit-factory date, or packaging date, it should include the following contents.

a) Product quality assurance letter; the content is as follows: lambda Main performance and technical parameters of the product;

lambda Product characteristics (including characteristics of manufacturing process and raw materials); lambda Responsibility for product quality;

lambda Quality certification obtained by the product; various analysis and inspection results with inspection seals of the supplier's technical supervision department.

b) Product conformity certificate; the content is as follows: lambda Inspection items and their results or inspection conclusions; lambda Lot size or lot number; lambda Inspection date; lambda Inspector's signature or seal.

c) Inspection reports in the process of product quality control AND finished-product inspection reports.

d) Product instructions: Correct handling, use, storage methods, etc. e) Other. […]