ASTM A213 seamless steel pipe，ASTM A 53 specification for black steel seamless pipes，ASTM A 106 Gr. B seamless carbon steel pipes for high-temperature service
，ASTM A 161 seamless low-carbon and carbon molybdenum steel still tubes for.
Thebiggest advantage ofp11alloy steel pipeis that it can be 100% recycled. It conforms to the national strategy of environmental protection, energy saving and resource conservation. The national policy encourages the expansion of high press.
How long is the life of a spiral steel pipe ?
Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.