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1. To identify imported stainless steels or ordered by steel mills, it is generally only necessary to check the marks on the steel or packaging according to the quality certificates of the imported or steel mills.
The quality certificate is the supplier's confirmation and guarantee of the inspection results of the batch of products. Therefore, the quality certificate not only describes the name, specifications, number of pieces delivered, weight, and delivery status of the material, but also must explain all the inspection results of the specified guarantee items.
Similarly, in order to facilitate management, avoid confusion and prevent accidents caused by confusion, the manufacturer marks the brand or batch number, status, specifications, quantity and manufacturer code on materials or packaging. The mark and the content of the quality certificate should be consistent. Commonly used marking methods are mainly the following three types: coloring (painting the color indicating the brand name on the specified part of the material), printing (printing steel or spraying on the specified part of the material to explain the brand, specification, furnace number, etc. of the material) , Commonly used on thick steel plates or large and medium-sized steel), listing (in the bundle or box of materials, hanging signs indicating the number, batch number, specifications, quantity, etc.).
The signs of stainless steel are generally printed and listed.
2. The society has overstocked stainless steel. According to the length of the excess storage backlog and the quality of storage, there are generally two cases:
First, the overstocking backlog is not long, and the storage is good. The processing unit not only keeps the original quality certificate or copy, but also has complete and clear signs on the steel or packaging. For the identification of this kind of stainless steel, just check the mark on the steel or packaging according to the quality certificate.
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