The Acceptance Standard Basis and Content of A106B Seamless Tube
First, the basis for acceptance
The acceptance of A106B American standard seamless pipe is mainly based on the contract signed by the supplier and the buyer (that is, the agreement with legal functions). Therefore, the acceptance work is carried out on the basis of the following documents:
(1) Supply contract
The total quantity, quality requirements and delivery date of A106B American standard seamless tubes are stipulated by the supply contract.
(2) Technical standards
If there is no special agreement between the supplier and the buyer, the technical requirements of A106B American standard seamless pipe are usually accepted according to the quality indicators specified in national or departmental standards.
(3) Relevant documents
Invoices, bills, packing lists, product certificates, test forms, technical certificates, drawings and other related documents provided by suppliers. Such certificates provide the specific quantity and quality of batch A106B seamless tubes. Some documents are packaged with A106B American standard seamless tubes, and some are sent directly by mail.


Second, the content of acceptance
According to the above three types of documents, the following three aspects of the A106B American standard seamless pipe should be checked and accepted.
(1) Appearance acceptance
The name, specification and model of A106B American standard seamless tube are in accordance with other documents such as contract or invoice. Whether the packing of A106B seamless pipe is in good condition, whether it meets the requirements, whether the marking is complete, and whether the surface quality meets the technical requirements.
(2) Quantity Acceptance
A106B US standard seamless pipe inspection, or theoretical conversion measurement, the number of large pieces in line with the relevant provisions.
(3) Quality acceptance
A106B seamless pipe gauge dimension measurement, whether the cross-section size of various profiles meets the technical standards, and whether the technical certificate provided by the supplier meets the requirements of the order contract or related standards. At the same time, according to the requirements of standards or technical agreements, samples and tests of chemical composition, mechanical properties and structure of A106B seamless pipe, or non-destructive tests are carried out.