Compared with traditional pipe, seamless steel pipe has lighter material, high strength, good resistance, can withstand high internal pressure, is sensitive to production, and can be used in messy or harsh geological conditions. However, there are drawbacks in the use process, mainly because the internal and external anti-corrosion treatment is more troublesome. The first is the problem of anti-corrosion of the outer wall. The quality of the anti-corrosion of the outer wall directly affects the service life. At present, the outer wall anti-corrosion of domestic steel pipes is mainly concealed. The steel pipes are required to be reinforced or specially reinforced outer wall anti-corrosion, and some areas promote cathodic protection.

Standard basis and content of A106B American standard seamless pipe acceptance
First, the basis for acceptance
The basis for the acceptance of the A106B American standard seamless pipe is mainly the contract signed by the supplier and the buyer (that is, the agreement with legal functions). Therefore, the acceptance work is carried out according to the following documents: