Views:3 Author:Site Editor Publish Time: 2020-07-10 Origin:Site
The inspection and acceptance of straight seam steel pipes shall be carried out by the technical supervision department of the supplier. The supplier needs to ensure that the straight seam steel pipe meets the requirements of the corresponding product standards at the time of delivery. The purchaser has the right to inspect and accept according to the corresponding product standards. The inspection items, sampling quantity, sampling locations and test methods of straight seam steel pipes shall be in accordance with the provisions of the corresponding product standards. Straight seam steel pipes shall be submitted for acceptance in batches, and the rules for group approval shall comply with the provisions of the corresponding product standards. With the consent of the purchaser, the straight seam steel tubes can be sampled in batches according to the rolling root array. Straight seam steel pipe test results, when a certain item does not meet the requirements of the product standard, the unqualified person should be singled out, and double the number of samples from the same batch of straight seam steel pipe shall be taken for re-inspection of the unqualified items . If the re-inspection result (including any index required by the project test) fails, the batch of straight seam steel pipes shall not be delivered.